Melissa Chang, M.D.
NPI 1679708812ActiveIndividual· Colon & Rectal Surgery· Ypsilanti, MI
Colon & Rectal Surgery (M.D.) in Ypsilanti, Michigan, trained at Tufts University School of Medicine (class of 2009). In 2024 Medicare paid $76,076 for 142 patients, and Part D covered 303 of their prescriptions, 83% of them generic. Intuitive Surgical, Inc. reported $7,728 in payments in 2025, mostly education.
Overview
| NPI | 1679708812 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 18, 2009 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 4301113052 | MI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Colorectal Surgery (Proctology) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 142 |
|---|---|
| Services billed | 312 across 46 procedure codes |
| Paid by Medicare | $76,076 |
Part D prescriptions in 2024
| Prescriptions (claims) | 303 · 330 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $19,667 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Colorectal Surgery (Proctology) |
Medical group
- Iha Health Services CorporationPontiac, MI · 1,168 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- Trinity Health Livingston HospitalHowell, MI
Other facilities
- Trinity Health at Home- Southeast MichiganHome health agency · Livonia, MI
Industry payments (Open Payments)
- 2025$7,728 · 14 payments from 1 company
- 2024$7,595 · 10 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $7,728 | 14 |
What the 2025 payments were for
- Education$6,011 · 4 payments
- Travel and Lodging$1,402 · 7 payments
- Food and Beverage$314.95 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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