Mary-Jane Williams, M.D.
NPI 1285096032ActiveIndividual· Internal Medicine, Gastroenterology· Scottsdale, AZ
Internal Medicine, Gastroenterology (M.D.) with Poudre Valley Medical Group LLC and 5 other groups, practicing in Scottsdale, Arizona. In 2024 Medicare paid $32,190 for 137 patients, and Part D covered 179 of their prescriptions, 72% of them generic. Boston Scientific Corporation was the largest of 3 companies reporting payments in 2024, $1,713 in all, mostly travel and lodging. Lists Faith Health and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1285096032 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 22, 2016 |
| Last updated in NPPES | Jul 17, 2025 |
| Certified by provider | Jul 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 69010 | AZ |
| Internal Medicine | 207R00000X | 18189 | NV |
| Internal Medicine, Gastroenterology | 207RG0100X | MD2023-1313 | NM |
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 - Gastroenterology (AZ); Practitioner - Gastroenterology (CO); Practitioner - Gastroenterology (MN); Practitioner - Internal Medicine (NC); Practitioner - Gastroenterology (NE); Practitioner - Gastroenterology (NM); Practitioner - Gastroenterology (OH); Practitioner - Gastroenterology (OK); Practitioner - Gastroenterology (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 276 across 39 procedure codes |
| Paid by Medicare | $32,190 |
Part D prescriptions in 2024
| Prescriptions (claims) | 179 · 217 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $10,205 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Poudre Valley Medical Group LLCDenver, CO · 2,440 clinicians
- Mayo Clinic Health System-Southwest Minnesota RegionMankato, MN · 661 clinicians
- Mercy Clinic Oklahoma CommunitiesOklahoma City, OK · 649 clinicians
- Partners Physician GroupAkron, OH · 413 clinicians
- Ths Physician Partners IncSouth Charleston, WV · 378 clinicians
- Faith Regional Physician Services LLCNorfolk, NE · 195 clinicians
Hospital affiliations
- Faith HealthNorfolk, NE
- Longs Peak HospitalLongmont, CO
- Mayo Clinic Health System - MankatoMankato, MN
- Medina HospitalMedina, OH
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
Industry payments (Open Payments)
- 2024$1,713 · 11 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $1,616 | 9 |
| Regeneron Pharmaceuticals, Inc. | $82.72 | 1 |
| Abbvie Inc. | $14.40 | 1 |
What the 2024 payments were for
- Travel and Lodging$1,011 · 5 payments
- Food and Beverage$701.90 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 136 gastroenterologists in Scottsdale · All gastroenterologists in Arizona