Hau Chan Chieng, DO
NPI 1902290315ActiveIndividual· Internal Medicine, Pulmonary Disease· Albany, NY
Internal Medicine, Pulmonary Disease (DO) with St. Peter's Health Partners Medical Associates, P.C., practicing in Albany, New York. Their prescriptions cost Medicare Part D more than their services did: $1,126,435 for 1,876 claims, against $97,630 paid for services in 2024. Genzyme Corporation was the largest of 6 companies reporting payments in 2025, $266.10 in all, mostly food and beverage. Lists Samaritan Hospital of Troy, New York and 1 other hospital as hospital affiliations.
Overview
| NPI | 1902290315 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 24, 2015 |
| Last updated in NPPES | Aug 31, 2022 |
| Certified by provider | Aug 31, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 303865 | NY |
| Hospitalist | 208M00000X | 303865 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | 63582 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 349 |
|---|---|
| Services billed | 1,163 across 46 procedure codes |
| Paid by Medicare | $97,630 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,876 · 3,487 30-day fills |
|---|---|
| Patients | 399 |
| Total drug cost | $1,126,435 |
| Generic share | 45% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- St. Peter's Health Partners Medical Associates, P.C.Troy, NY · 487 clinicians
Hospital affiliations
- Samaritan Hospital of Troy, New YorkTroy, NY
- St Peter's HospitalAlbany, NY
Industry payments (Open Payments)
- 2025$266.10 · 7 payments from 6 companies
- 2024$360.91 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $118.58 | 1 |
| Glaxosmithkline, LLC. | $57.72 | 2 |
| Abiomed | $29.37 | 1 |
| Verona Pharma, Inc. | $21.39 | 1 |
| Astrazeneca Pharmaceuticals LP | $20.66 | 1 |
What the 2025 payments were for
- Food and Beverage$266.10 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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