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HealthTech · Multi-hospital Network

The EHR integration that cut hospital admin time by 40%.

A 12-hospital network was drowning in paperwork. Doctors spent 3+ hours a day on charting and billing. We built a HIPAA-compliant EHR integration that automated 60% of the admin path — and gave them their clinic time back.

Day 1 → Production: 6 months
HIPAA
FHIR R4 ready
Admin time
−40%
Today · 12 hospitals
Patient Roster
847
Active
23
Critical
2.1d
Avg LOS
04
P-204
ICU-2A
stable
87
P-187
OPD-3B
review
12
P-512
WD-7
stable
91
P-091
ICU-1
critical
14 appointments today
0%

Reduction in admin time

0%

Drop in no-show rate

0 → 2

Days to reconcile billing

The Challenge · 01

What was breaking

The client operated 12 hospitals across two states with three different legacy EHR systems and zero interoperability. Patient records were duplicated across hospitals; billing reconciliation took 14 days; and 40% of clinician time was spent on data entry instead of patient care. They needed FHIR-compliant integration without ripping out the legacy systems, AND a HIPAA-aligned audit trail their compliance officer could sign off on.

Our Approach · 02

The technical bets we made

  • 1

    Built a FHIR-compliant integration layer that translated between three legacy EHR formats and a unified internal patient model. No 'rip and replace' — the legacy systems remained the source of truth.

  • 2

    Designed a real-time deduplication engine using fuzzy patient matching (DOB + name + phone + address) — eliminated duplicate records across hospitals with 99.2% precision.

  • 3

    Automated appointment scheduling with conflict detection across all 12 facilities. Reduced no-show rate by 23% via SMS reminders sent through a HIPAA-compliant channel.

  • 4

    Streamlined billing reconciliation: claims auto-routed based on insurance coverage rules, with anomaly detection flagging suspicious claims before submission. 14-day reconciliation became 2-day.

  • 5

    Set up immutable audit logging (cryptographically chained) for HIPAA compliance — every patient data access logged, queryable, exportable for audits.

Tech Stack · 03

What powers this system

React
TypeScript
Python
FastAPI
FHIR R4
PostgreSQL
Azure
HL7
Redis
Timeline · 04

From kickoff to production

Week 1-2
Discovery

Hospital walk-throughs, clinician shadowing, compliance officer interviews. FHIR mapping plan delivered week 2.

Week 3-5
Design

Integration architecture, FHIR resource model, HIPAA threat model. Compliance sign-off before code started.

Week 6-22
Build

Hospital-by-hospital phased rollout. 1-hospital pilot in week 8, full network live by week 22.

Week 23-26
Stabilise

Adoption support, runbook handover, SLA monitoring setup. Final HIPAA audit passed week 26.

Business Impact · 05

The ROI

Doctors got back ~12 hours/week per clinician — at 200 clinicians × 50 weeks × ₹2000/hr clinical billing rate, that's ~₹24Cr/year of recovered clinical capacity. Billing recoveries alone increased ₹1.8Cr/year (from anomaly-flagged claims that were previously paid out incorrectly). The compliance officer's annual HIPAA audit prep dropped from a 6-week scramble to a 5-day cron job.

We hired three vendors before TantraDev. Two delivered demoware that died on real hospital data. TantraDev shipped a working pilot in 8 weeks — to one of our toughest hospital sites — and scaled from there.
C
CTO
Chief Technology Officer · Multi-hospital Network

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