Yiguan Zhang, MD
NPI 1508446972ActiveIndividual· Family Medicine· Pasadena, CA
Family Medicine (MD) with Healthcare Partners Affiliates Medical Group, practicing in Pasadena, California. Their prescriptions cost Medicare Part D more than their services did: $19,013 for 261 claims, against $2,019 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $404.57 in all, mostly food and beverage. Lists Huntington Hospital as a hospital affiliation.
Overview
| NPI | 1508446972 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 10, 2021 |
| Last updated in NPPES | Mar 30, 2026 |
| Certified by provider | Mar 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A181629 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | CA |
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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 33 across 7 procedure codes |
| Paid by Medicare | $2,019 |
Part D prescriptions in 2024
| Prescriptions (claims) | 261 · 542 30-day fills |
|---|---|
| Patients | 167 |
| Total drug cost | $19,013 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Healthcare Partners Affiliates Medical GroupAnaheim, CA · 754 clinicians
Hospital affiliation
- Huntington HospitalPasadena, CA
Industry payments (Open Payments)
- 2025$404.57 · 4 payments from 3 companies
- 2024$363.36 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $249.97 | 2 |
| Astrazeneca Pharmaceuticals LP | $121.83 | 1 |
| Organon LLC | $32.77 | 1 |
What the 2025 payments were for
- Food and Beverage$404.57 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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