Custom Healthcare Software Development Services

We build healthcare products that ship on schedule and clear certification. EHR and EMR platforms, revenue cycle systems, telehealth, patient portals and connected device software for US HIT vendors, providers, payers and medical device companies.

ISO 27001:2022 ISO 9001:2015 HIPAA HL7 and FHIR 21 CFR Part 11 ONC certification experience
Remote patient monitoring (RPM) Electronic health record (EHR) Practice management system (PMS) Revenue cycle management (RCM)

Deep healthcare expertise. Proven delivery.

15+Years in US healthcare IT
0Reportable HIPAA incidents
15+EHR and EMR products taken through Meaningful Use certification
100+Healthcare products and platforms delivered
Clinician typing at a workstation
27001:2022Certified 9001:2015Certified ONC CertifiedExperience

Definition

What is custom healthcare software development?

Custom healthcare software development is the process of designing and building clinical, administrative or patient-facing software to a specific organization's workflows, data model and regulatory obligations, rather than configuring a commercial product to approximate them.

The distinction matters more in healthcare than in most industries, because the workflow is often specific to a specialty, the data has to move between systems that each interpret the same standard differently, and the product itself may have to hold up under an ONC certification audit or an FDA review. Whether custom is the right choice at all is a question we take head-on further down. That is custom medical software development when the product sits next to clinical care or a regulated device.

A custom build in this market typically covers

A data model built around clinical reality

Using SNOMED CT, LOINC, ICD-10, CPT and RxNorm rather than generic fields that lose meaning at the receiving end.

SNOMED CTLOINCICD-10CPTRxNorm

Integration designed in from the start

Whether that means HL7 v2 feeds, FHIR R4 APIs, X12 transactions for claims and eligibility, or DICOM for imaging.

HL7 v2FHIR R4X12DICOM

Compliance controls in the architecture

Covering HIPAA safeguards, audit logging, access control and, where the product qualifies, 21 CFR Part 11 electronic records and signatures.

HIPAA21 CFR Part 11

A certification path

If the product will be used as certified health IT under ONC or regulated as a medical device by the FDA.

ONCFDA

Our solutions

Custom healthcare software solutions we build

We have delivered products across the clinical, financial and patient-facing sides of US healthcare. Each area below links to deeper detail where we have it.

Telemedicine and virtual care platforms

Video consultation, scheduling, consent capture, documentation and billing integration, built so the virtual encounter lands in the chart as a structured visit rather than a separate silo.

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Remote patient monitoring

Device data ingestion, threshold alerting, care team workflow and chart integration. We map each incoming metric to a structured entry, which is the difference between usable RPM data and a stream of free-text comments nobody reads.

Patient portals and engagement

Records access, secure messaging, appointment self-service, forms and intake. We build portals against the same data classes the certification criteria use, so patient API access is a design input rather than a retrofit.

Population health and care management

Cohort identification, care gap tracking, outreach workflow and quality measure reporting, including QRDA Category I and III submission where products support quality programs.

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Mobile health and wearable apps

Native and cross-platform apps for patients, clinicians and field staff, including wearable and connected-device companions, built against the same data and security model as the platform behind them.

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More areas we cover

Patient scheduling software Patient check-in solutions Home health software Care management software Chronic disease management

Not sure which of these you need, or whether you need a build at all? Describe the problem and we will tell you which of these fits, or if the answer is none of them.

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Who we serve

Who we build for

We work with four markets in US healthcare. Most of our engineering hours go to the first.

01

HIT vendors and ISVs

Certification cycles keep eating the sprint you planned for the roadmap. We take that engineering on as a delivery team, from criteria work through attestations and Real World Testing, so your own people stay on the product.

PROOF

A podiatry EHR built from scratch and certified for Meaningful Use Stage 3 in the same engagement.

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02

Providers

The systems you run were not built around how your practice actually works, so staff close the gaps by hand and the cost shows up in throughput rather than on an invoice. We build the software that closes them, designed to connect to what you already run rather than replace it.

PROOF

A surgery scheduling platform re-engineered to serve multiple organizations from a single instance.

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03

Payers

Claims, eligibility and prior authorization systems were built for a slower regulatory cycle than the one CMS-0057-F has put you in. We build and modernize the interfaces and back-end systems that have to carry that load.

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04

Medical device and SaMD companies

Your software sits inside a regulated product, so release velocity runs straight into design controls and the evidence a submission will ask for. We work inside that constraint rather than around it.

PROOF

Real-time medical device data streaming and processing, delivered for a device manufacturer.

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Custom vs off-the-shelf

Custom build or commercial platform: how to decide

Most healthcare organizations should start by asking whether a commercial platform can do the job, because when it can, it is the better answer. Here is an honest comparison.

AttributeOff-the-shelf platformConfigured platformCustom build
Upfront costLowestModerateHighest
Time to first releaseFastest, days to weeksWeeks to monthsMonths
Fit to your workflowWhatever the vendor decidedClose, within the product's limitsExact
Integration controlVendor's connectors onlyVendor's connectors plus custom workFull
Data ownership and PHI custodyVendor-held, per contractVendor-held, per contractYours
Compliance and audit controlVendor's roadmapVendor's roadmapYours
Certification pathVendor certifies, you inheritVendor certifies, you inheritYou certify, you control scope
Vendor lock-inHighHighLow
Cost over five yearsPredictable, rises with seats and modulesPredictable, plus recurring configuration workHigher at the start, flatter after

The decision

When is custom the right call in healthcare?

Custom is worth the investment when at least one of these is true.

The workflow is specialty-specific.

Configuring a general product would mean asking staff to work around the software every day.

You are selling the software, not just using it.

The product is the business, so a platform's limits become your limits.

You need control of the regulatory path.

Certified health IT and FDA-regulated products both require evidence you cannot inherit from a platform vendor.

If none of those apply, buy the platform. We will say so during discovery.

Certification and compliance

Building healthcare software that passes certification

Not the code, but the evidence the code has to produce, and the moving regulatory target it has to produce it against.

HTI-1

In effectCompliance date 1 January 2026

Moved the baseline to USCDI v3, US Core STU 6.1.0 and SMART App Launch 2.0.0, and replaced the clinical decision support criterion with decision support interventions in the Base EHR definition.

HTI-4

In effectSince 1 October 2025

Updated the e-prescribing criterion, added a real-time prescription benefit criterion, and added certification criteria for electronic prior authorization APIs.

HTI-5

ProposedNot final

Would remove 34 and revise 7 of the 60 certification criteria, narrow Insights reporting to FHIR usage, and descope Real World Testing in favor of the voluntary Standards Version Advancement Process.

ISO 27001:2022Information security
ISO 9001:2015Quality management
HIPAASafeguards in architecture
21 CFR Part 11Records and signatures
0Reportable HIPAA incidents in 15+ years

Before you build

Planning a certification cycle?

We will map your criteria scope and flag what HTI-5 could change for your roadmap before you build against criteria that may not survive.

Map My Certification Scope

41 of the 60 ONC certification criteria could change under HTI-5

Process and engagement

How we build

Five stages from discovery to sustenance. Some engagements end at stage one, because discovery shows a commercial product is the better answer.

1

Discovery and feasibility

We map the workflow, the systems the product has to live alongside, and the regulatory scope. You get a written summary covering technical approach, integration and compliance dependencies, and the risks worth resolving before the build starts. Some engagements end here, because discovery shows a commercial product is the better answer.

2

Architecture and compliance design

We design the data model, integration surface and security architecture together, because in healthcare they constrain each other. If the product needs ONC certification or falls under FDA rules, those requirements shape this stage rather than arriving later.

3

Build and continuous validation

Development runs in sprints with testing inside each one rather than after all of them: functional tests, workflow validation against real clinical scenarios, security testing, and conformance testing against whichever standards the product implements. You see working software each sprint.

4

Certification and launch

Where certification applies, we prepare the product for testing, work with your ONC-Authorized Certification Body through the process, and produce the documentation the program requires. For launches we handle deployment, data migration where relevant, and the cutover plan.

5

Sustenance and evolution

After launch we cover L1 to L3 support, performance monitoring, standards updates as versions advance, attestation and Real World Testing obligations, and ongoing enhancement. Products that stay certified need someone watching the regulatory calendar. Sustenance engineering.

Engagement models

Companies come to us looking for different things: a healthcare software development agency to own a build end to end, a dedicated team alongside their own engineers, or specific skills for a fixed stretch. We work all four ways.

Discovery-led fixed scope

We scope a defined deliverable and commit to it. Best when the requirement is clear and you need budget certainty.

Dedicated team

An allocated team working to your roadmap and your process. Best when the work is ongoing and priorities shift, which is the common shape for HIT vendors.

Staff augmentation

Specific skills added to your existing team, under your management. Best when you have the capability but not the capacity.

Outcome-based

Structured around a defined result, most often a certification or a launch milestone. Best when the outcome is unambiguous and the path to it is ours to determine.

95%

We maintain 95% on-time delivery across phased engagements. Where a date is going to move, you hear it when we know, not at the milestone.

Proof

Work we have delivered

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What clients say

Nalashaa's team is an invaluable partner to us. They understood our challenges, questioned ideas, and refined features as product owners. Their approach gave us a smoother system, better coordination, and reliable support as we continue to work together.

SurgiCalendar, Inc. USA

We have trusted the Nalashaa team with complex projects that our senior developers did not have the bandwidth to take on. They take time to understand requirements and approach estimates thoughtfully.

Netsmart USA

Nalashaa delivers accurate project estimates from business requirements, and their code reviews reflect strong technical discipline. They have become an indispensable part of our development team.

ABC Financial USA

Why Nalashaa

Why healthcare companies work with us

ISO 27001:2022 ISO 9001:2015

Healthcare context, not just engineering capacity

We do not build healthcare software alongside retail and fintech. Our engineers know why a result is coded in LOINC, what a certification criterion expects, and how a workflow decision surfaces months later inside a claim. It shows up in the questions we ask during discovery.

Certification experience you can borrow

We have been through the testing, the attestations and the cycle after that one. The value to you is not the certificate on our side, it is knowing where products fail before yours does.

Predictable scope, no surprises

We scope in phases, with a written technical approach, dependency map and risk list from discovery onward. You know what you are committing to before you commit to it.

Reusable compliance scaffolding

Audit trail patterns, access control models, conformance test harnesses and documentation templates carried across from earlier certification work. It cuts build time without cutting corners.

Platform experience where it counts

Epic, Cerner, Meditech, Athenahealth, Allscripts and eClinicalWorks, on patient, provider and payer-side systems. When we say a product will integrate, it is because we have done it against that system before.

Full ownership, zero tribal knowledge

We document as we build and hand over everything: code, architecture decisions, test suites and runbooks. You own the product, and you are not locked into us to keep it running.

What drives cost and timeline

There is no honest single answer, because the term covers a scheduling module and a certified EHR platform, and a range that fits both tells you nothing. What we can tell you is exactly what moves the number.

What changes the number >

Book a Feasibility Review
[1] How much does custom healthcare software cost?

There is no honest single answer, because the term covers a scheduling module and a certified EHR platform, and a range that fits both tells you nothing. What we can tell you is exactly what moves the number, so you can judge where your own project sits before anyone quotes you.

[2] What changes the number
  • Product scope. A focused module and a full platform differ by an order of magnitude, and the honest scoping question is usually which one you need rather than which one you asked for.
  • Integration count and difficulty. Each system the product must exchange data with adds build and test effort. Two integrations against a well-documented API and eight against partners with inconsistent implementations are very different projects.
  • Regulatory scope. ONC certification adds criteria development, conformance testing, documentation and ongoing maintenance obligations. FDA classification adds validation evidence and submission preparation. Both are knowable at discovery, and neither is knowable from a requirements list alone.
  • Data migration. Moving history from a legacy system is frequently the largest single line item in a modernization, and its size depends on data quality, which nobody knows until someone looks.
  • Device connectivity. Physical device integration brings protocol work, safety considerations and testing that pure software projects do not carry.
[3] Typical engagement shapes
  • Feasibility and architecture review. Measured in weeks. Produces a technical approach, dependency map and risk list.
  • First release. The core workflow plus the integrations it cannot function without.
  • Certification cycle. Runs alongside or after the build, scoped to the criteria your customers actually require.
  • Enterprise rollout. Adds data migration, training support and phased cutover.
[4] How we scope it

We start with a free feasibility review: a 45-minute call with our engineering team, followed by a written summary of scope, technical approach, integration and compliance dependencies, and the risks worth resolving first. You get that within five business days and there is no obligation to engage further.

Talk to a healthcare engineering team

Validating a new product idea, planning a certification cycle, or scaling a platform that has outgrown its architecture? Start with a feasibility review. A 45-minute call with our engineering team, followed by a written summary of scope, technical approach, integration and compliance dependencies, and the risks worth resolving first.

Book a feasibility review

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Frequently asked questions

How much does custom healthcare software development cost?

It depends on product scope, integration count, regulatory requirements and data migration volume, which is why we scope before quoting rather than publishing ranges. A focused module and a certifiable EHR platform are different projects by an order of magnitude. Our free feasibility review produces a written scope and technical approach within five business days, which is the point at which a meaningful number becomes possible.

How long does it take to build custom healthcare software?

A first release covering core workflow and essential integrations typically takes months rather than weeks. Certification, data migration and device connectivity extend that. The variables that matter most are integration count and regulatory scope, both of which we assess during discovery so the timeline you get is based on your actual dependencies.

Can you take our product through ONC certification?

Yes. We have taken 15+ client EHR and EMR products through Meaningful Use Stage 2 and Stage 3 certification, in several cases building the product and certifying it in the same engagement. We handle criteria development, conformance preparation, work with your ONC-Authorized Certification Body, and the documentation the program requires. We also support the ongoing obligations after certification, including attestations and Real World Testing.

Is your development process HIPAA compliant?

Yes. We work under Business Associate Agreements, maintain separated environments so production PHI does not reach development or test systems, use de-identified or synthetic test data by default, and apply role-based access with logged sessions where production data access is necessary. We hold ISO 27001:2022 certification and have maintained zero reportable HIPAA incidents across 15+ years of US healthcare delivery.

Do you sign a Business Associate Agreement?

Yes, on any engagement where we create, receive, maintain or transmit protected health information on your behalf. The BAA defines permitted uses, safeguard obligations, breach notification duties and end-of-engagement data handling.

How do you protect PHI during development and testing?

Through environment separation, de-identified or synthetic test data, BAA-governed access with role-based controls and logged sessions where production data is genuinely required, and time-limited credentials rather than standing access. The same secure development practices we build into the product apply to the delivery environment itself.

What happens if our software qualifies as a medical device?

Risk classification determines the path. Lower-risk products may be exempt or follow a straightforward route, while higher-risk products need a premarket submission supported by design controls, risk management and verification and validation evidence. The important thing is establishing classification during discovery, because retrofitting that evidence onto a product built without it costs far more than building with it from the start.

Can you integrate with Epic, Cerner or our existing EHR?

Yes. Our teams have worked across Epic, Cerner, Meditech, Athenahealth, Allscripts and eClinicalWorks, on patient, provider and payer-side systems. Integration is handled as part of the build rather than as a separate phase. Our interoperability services page covers the standards and engines in detail.

Can you modernize our existing legacy healthcare product?

Yes, and it is a large part of what we do. Modernization rarely means a rewrite. More often it means adding an API layer over a stable core, migrating modules incrementally, or re-engineering a specific constraint such as tenancy, scalability or a certification gap, while the existing product keeps serving customers.

What engagement models do you offer?

Four. Discovery-led fixed scope for clear requirements and budget certainty. Dedicated team for ongoing work with shifting priorities. Staff augmentation when you have the capability but not the capacity. Outcome-based when the result is unambiguous, most often a certification or launch milestone.

Who owns the code and the IP?

You do. Ownership of the software we build for you transfers to you, and the specifics are set out in the engagement contract. We would encourage you to confirm this in writing with any development partner rather than assume it.

What happens after launch?

We provide L1 to L3 support, performance monitoring and tuning, release management, standards updates as versions advance, and ongoing enhancement. For certified products that also covers attestation cycles and Real World Testing obligations, which need someone tracking the regulatory calendar rather than reacting to it.

Should we build custom or configure an existing platform?

Start with the platform. It is cheaper, faster to deploy, and usually good enough. Custom becomes the better answer when your workflow is specialty-specific, when you are selling the software rather than using it, or when you need direct control of a certification or FDA path, because those obligations cannot be inherited from a platform vendor.

Is medical software development different from healthcare software development?

Mostly the terms are interchangeable, and firms offering medical software development services and healthcare software development services are usually describing the same work. Where a distinction is drawn, medical software tends to imply software closer to clinical care or regulated as a device, while healthcare software covers administrative and financial systems too. We build across both.

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