Troy Christopher Williams, M.D.
NPI 1093929630ActiveIndividual· Obstetrics & Gynecology· Westlake Village, CA
Obstetrics & Gynecology (M.D.) in Westlake Village, California, trained at Wayne State University School of Medicine (class of 2002). In 2024 Medicare paid $33,732 for 12 patients, and Part D covered 104 of their prescriptions, 88% of them generic. Mayne Pharma Commercial LLC was the largest of 6 companies reporting payments in 2025, $265.34 in all, mostly food and beverage.
Overview
| NPI | 1093929630 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 10, 2007 |
| Last updated in NPPES | Aug 4, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | A103922 | CA |
| Obstetrics & Gynecology, Hospice and Palliative Medicine | 207VH0002X | 4301080639 | MI |
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 | 12 |
|---|---|
| Services billed | 376 across 13 procedure codes |
| Paid by Medicare | $33,732 |
Part D prescriptions in 2024
| Prescriptions (claims) | 104 · 133 30-day fills |
|---|---|
| Total drug cost | $9,281 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Trillium Med Spa Cosmetic Surgery and Laser CenterWestlake Village, CA · 4 clinicians
Industry payments (Open Payments)
- 2025$265.34 · 11 payments from 6 companies
- 2024$352.08 · 15 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $74.67 | 4 |
| Abbvie Inc. | $56.45 | 2 |
| Hologic Sales and Service, LLC | $49.51 | 1 |
| Novo Nordisk Inc | $35.00 | 2 |
| Coopersurgical, Inc. | $30.21 | 1 |
What the 2025 payments were for
- Food and Beverage$265.34 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other OB-GYNs in Westlake Village
- 1245850064
- 1851315196
- 1932154580
- 1245201912
- 1285810762
- 1417170523
- 1528431673
- 1720371545
- 1790941110
- 1053027516
- 1215246889
- 1467744466
All 15 OB-GYNs in Westlake Village · All OB-GYNs in California