Peter Chang, M.D., PH.D.
NPI 1285623009ActiveIndividual· Internal Medicine, Cardiovascular Disease· Bellaire, TX
Internal Medicine, Cardiovascular Disease (M.D., PH.D.) in Bellaire, Texas, trained at University of Texas Medical School at Houston (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $1,201,044 for 7,358 claims, against $435,970 paid for services in 2024. Amgen Inc. was the largest of 10 companies reporting payments in 2025, $425.08 in all, mostly food and beverage.
Overview
| NPI | 1285623009 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 14, 2005 |
| Last updated in NPPES | Mar 24, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | F9292 | TX |
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 - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 545 |
|---|---|
| Services billed | 5,486 across 37 procedure codes |
| Paid by Medicare | $435,970 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,358 · 16,134 30-day fills |
|---|---|
| Patients | 821 |
| Total drug cost | $1,201,044 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
- Shannon Medical CenterSan Angelo, TX
Other facilities
- Fairmont HospiceHospice · Richmond, TX
Industry payments (Open Payments)
- 2025$425.08 · 17 payments from 10 companies
- 2024$389.54 · 17 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $99.42 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $76.06 | 3 |
| Novo Nordisk Inc | $57.55 | 2 |
| Motiva USA, LLC | $55.92 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $32.65 | 1 |
What the 2025 payments were for
- Food and Beverage$404.86 · 16 payments
- Education$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other cardiologists in Bellaire
- 1720387269
- 1285297945
- 1023353570