Joana Joy Tamayo, M.D.
NPI 1235106188ActiveIndividual· Specialist· Glendale, CA
Specialist (M.D.) in Glendale, California, trained at Loma Linda University School of Medicine (class of 2001). Enrolled in Medicare as practitioner - obstetrics/gynecology. Pfizer Inc. reported $32.94 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1235106188 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 28, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | A79900 | 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 - Obstetrics/Gynecology (CA) |
|---|
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Sutter Valley Medical FoundationModesto, CA · 2,500 clinicians
Industry payments (Open Payments)
- 2025$32.94 · 1 payment from 1 company
- 2024$63.96 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $32.94 | 1 |
What the 2025 payments were for
- Food and Beverage$32.94 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 71 Specialist providers in Glendale · All Specialist providers in California