Stephen Clay Williams, M.D.
NPI 1184778284ActiveIndividual· Psychiatry & Neurology, Psychiatry· Santa Rosa, CA
Psychiatry & Neurology, Psychiatry (M.D.) in Santa Rosa, California, trained at Rush Medical College of Rush University (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $93,514 for 317 claims, against $12,377 paid for services in 2024. E.R. Squibb & Sons, L.L.C. reported $112.42 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1184778284 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 23, 2007 |
| Last updated in NPPES | Jul 9, 2021 |
| Certified by provider | Jul 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A55291 | CA |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 35.129375 | OH |
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 - Psychiatry (CA); Practitioner - Psychiatry (IN); Practitioner - Psychiatry (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 253 across 7 procedure codes |
| Paid by Medicare | $12,377 |
Part D prescriptions in 2024
| Prescriptions (claims) | 317 · 338 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $93,514 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Extended Care Specialists, IncMerrillville, IN · 312 clinicians
Industry payments (Open Payments)
- 2024$112.42 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $112.42 | 1 |
What the 2024 payments were for
- Food and Beverage$112.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 86 psychiatrists in Santa Rosa · All psychiatrists in California