Michael Langham Williams, M.D.
NPI 1811375835ActiveIndividual· Emergency Medicine· Avon, IN
Emergency Medicine (M.D.) in Avon, Indiana, trained at University of Texas Medical School at Houston (class of 2015). 166 Medicare patients in 2024, $17,747 paid; nearly all of their 207 Part D prescriptions were generic (97%). Lundbeck LLC was the largest of 4 companies reporting payments in 2025, $167.35 in all, mostly food and beverage.
Overview
| NPI | 1811375835 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 11, 2015 |
| Last updated in NPPES | Aug 17, 2026 |
| Certified by provider | Aug 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 01099277A | IN |
| Emergency Medicine | 207P00000X | MD61329987 | WA |
| Emergency Medicine | 207P00000X | C2437 | KY |
| Emergency Medicine | 207P00000X | BP10053763 | TX |
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 - Emergency Medicine (AL); Practitioner - Emergency Medicine (IN); Practitioner - Emergency Medicine (LA); Practitioner - Emergency Medicine (MO); Practitioner - Emergency Medicine (TX); Practitioner - Emergency Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 187 across 9 procedure codes |
| Paid by Medicare | $17,747 |
Part D prescriptions in 2024
| Prescriptions (claims) | 207 · 240 30-day fills |
|---|---|
| Patients | 139 |
| Total drug cost | $5,339 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
- Shannon ClinicSan Angelo, TX · 559 clinicians
Hospital affiliations
- Ascension ProvidenceWaco, TX
- Indiana University HealthIndianapolis, IN
- Shannon Medical CenterSan Angelo, TX
Industry payments (Open Payments)
- 2025$167.35 · 8 payments from 4 companies
- 2024$194.13 · 11 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $60.62 | 3 |
| Bausch Health US, LLC | $49.14 | 2 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $35.09 | 2 |
| Neurocrine Biosciences, Inc. | $22.50 | 1 |
What the 2025 payments were for
- Food and Beverage$167.35 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 emergency medicine physicians in Avon · All emergency medicine physicians in Indiana