Shan J. Thomas, MD
NPI 1821017294ActiveIndividual· Obstetrics & Gynecology· Templeton, CA
Obstetrics & Gynecology (MD) in Templeton, California, trained at Un of California, Irvine, College of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $30,756 for 112 claims, against $2,655 paid for services in 2024. Dexcom, Inc. was the largest of 3 companies reporting payments in 2025, $168.03 in all, mostly food and beverage.
Overview
| NPI | 1821017294 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Jan 3, 2024 |
| Certified by provider | Jan 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | G 79405 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 24 across 8 procedure codes |
| Paid by Medicare | $2,655 |
Part D prescriptions in 2024
| Prescriptions (claims) | 112 · 225 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $30,756 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Un of California, Irvine, College of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Community Health Centers of the Central Coast IncNipomo, CA · 73 clinicians
Hospital affiliation
- Adventist Health Twin CitiesTempleton, CA
Industry payments (Open Payments)
- 2025$168.03 · 3 payments from 3 companies
- 2024$99.48 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $123.41 | 1 |
| Pacira Pharmaceuticals Incorporated | $23.04 | 1 |
| Pfizer Inc. | $21.58 | 1 |
What the 2025 payments were for
- Food and Beverage$168.03 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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