Catherine Nguyen, M.D.
NPI 1043660087ActiveIndividual· Family Medicine· Walnut Creek, CA
Family Medicine (M.D.) in Walnut Creek, California, trained at Tulane University School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $38,473 for 299 claims, against $14,295 paid for services in 2024. Puma Biotechnology, Inc. reported $55.89 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1043660087 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 21, 2016 |
| Last updated in NPPES | Mar 17, 2025 |
| Certified by provider | Mar 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A152492 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 52 |
|---|---|
| Services billed | 204 across 21 procedure codes |
| Paid by Medicare | $14,295 |
Part D prescriptions in 2024
| Prescriptions (claims) | 299 · 684 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $38,473 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- One Medical Group IncSan Jose, CA · 331 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2024$55.89 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Puma Biotechnology, Inc. | $55.89 | 2 |
What the 2024 payments were for
- Food and Beverage$55.89 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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