Michael David Chang, M.D.
NPI 1427318336ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Gainesville, FL
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) with Eastern Connecticut Pathology Consultants, PC, practicing in Gainesville, Florida. Medicare paid $53,010 for services to 331 patients in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 5 companies reporting payments in 2025, $153.39 in all, mostly food and beverage. Lists Manchester Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1427318336 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 24, 2012 |
| Last updated in NPPES | May 24, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | TRN17275 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pathology (CT); Practitioner - Pathology (FL); Practitioner - Pathology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 331 |
|---|---|
| Services billed | 1,528 across 28 procedure codes |
| Paid by Medicare | $53,010 |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- Eastern Connecticut Pathology Consultants, PCManchester, CT · 20 clinicians
Hospital affiliations
- Manchester Memorial HospitalManchester, CT
- Waterbury HospitalWaterbury, CT
Industry payments (Open Payments)
- 2025$153.39 · 7 payments from 5 companies
- 2024$54.80 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $48.36 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $44.30 | 2 |
| Exact Sciences Corporation | $22.84 | 1 |
| Lilly USA, LLC | $19.73 | 1 |
| Janssen Biotech, Inc. | $18.16 | 1 |
What the 2025 payments were for
- Food and Beverage$153.39 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 78 pathologists in Gainesville · All pathologists in Florida