Michael Nguyen, MD
Pathology, Anatomic Pathology & Clinical Pathology (MD) in Stanford, California, trained at Saint Louis University School of Medicine (class of 2012). Medicare paid $1,838 for services to 25 patients in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 2 companies reporting payments in 2025, $67.21 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1336407220 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 27, 2012 |
| Last updated in NPPES | Feb 24, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | A132089 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Michael Minh Nguyen · General Practice | 1128b14 | Sep 20, 2006 | Milpitas, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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 - Pathology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 66 across 11 procedure codes |
| Paid by Medicare | $1,838 |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Pathology |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital-San JoseSan Jose, CA
Industry payments (Open Payments)
- 2025$67.21 · 2 payments from 2 companies
- 2024$78.19 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $36.55 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $30.66 | 1 |
What the 2025 payments were for
- Food and Beverage$67.21 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 pathologists in Stanford · All pathologists in California