Tammi Lenee Williams, M.D.
NPI 1003876509ActiveIndividual· Obstetrics & Gynecology· Gilbert, AZ
Obstetrics & Gynecology (M.D.) in Gilbert, Arizona, trained at University of Virginia School of Medicine (class of 1988). Mostly services rather than prescriptions: Medicare paid $8,636 for 46 patients in 2024, with only 21 Part D claims. Coopersurgical, Inc. was the largest of 3 companies reporting payments in 2025, $101.60 in all, mostly food and beverage.
Overview
| NPI | 1003876509 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 27, 2006 |
| Last updated in NPPES | Nov 1, 2023 |
| Certified by provider | Nov 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 55489 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Obstetrics/Gynecology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 46 |
|---|---|
| Services billed | 114 across 15 procedure codes |
| Paid by Medicare | $8,636 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 30 30-day fills |
|---|---|
| Total drug cost | $748.10 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Momdoc LLCGilbert, AZ · 64 clinicians
Industry payments (Open Payments)
- 2025$101.60 · 3 payments from 3 companies
- 2024$44.71 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopersurgical, Inc. | $62.02 | 1 |
| Hologic Sales and Service, LLC | $24.11 | 1 |
| Smith+nephew, Inc. | $15.47 | 1 |
What the 2025 payments were for
- Food and Beverage$101.60 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Obstetrics & Gynecology providers in Gilbert
- 1679871388
- 1447325915
- 1043410723
- 1598965196
- 1730349390
- 1225238819
- 1154169548
- 1184441693
- 1457115438
- 1437565876
- 1376557371
- 1619944170