Peter Chen Zhao, MD
NPI 1134500390ActiveIndividual· Hospitalist· Saint Louis, MO
Hospitalist (MD) in Saint Louis, Missouri, trained at Washington University School of Medicine (class of 2015). In 2024 Medicare paid $33,566 for 101 patients, and Part D covered 162 of their prescriptions, 88% of them generic. Incyte Corporation was the largest of 8 companies reporting payments in 2025, $344.08 in all, mostly food and beverage.
Overview
| NPI | 1134500390 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 13, 2015 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 2018009417 | MO |
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 - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 101 |
|---|---|
| Services billed | 409 across 6 procedure codes |
| Paid by Medicare | $33,566 |
Part D prescriptions in 2024
| Prescriptions (claims) | 162 · 180 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $34,960 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliation
- Barnes Jewish HospitalSaint Louis, MO
Industry payments (Open Payments)
- 2025$344.08 · 11 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $95.95 | 1 |
| Genzyme Corporation | $54.61 | 2 |
| Sobi, Inc | $51.99 | 2 |
| Novo Nordisk Inc | $46.05 | 2 |
| Novartis Pharmaceuticals Corporation | $29.96 | 1 |
What the 2025 payments were for
- Food and Beverage$248.13 · 10 payments
- Education$95.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 431 hospitalists in Saint Louis · All hospitalists in Missouri