Mary Ann Atia, MD
NPI 1376851360ActiveIndividual· Internal Medicine, Gastroenterology· Glendale, AZ
Internal Medicine, Gastroenterology (MD) with Arizona Digestive Health PC, practicing in Glendale, Arizona. Their prescriptions cost Medicare Part D more than their services did: $693,840 for 941 claims, against $62,061 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,838 in all, mostly food and beverage. Lists Banner Desert Medical Center as a hospital affiliation.
Overview
| NPI | 1376851360 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 23, 2010 |
| Last updated in NPPES | Feb 16, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 45749 | 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 - Gastroenterology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 328 |
|---|---|
| Services billed | 614 across 24 procedure codes |
| Paid by Medicare | $62,061 |
Part D prescriptions in 2024
| Prescriptions (claims) | 941 · 1,967 30-day fills |
|---|---|
| Patients | 369 |
| Total drug cost | $693,840 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Arizona Digestive Health PCSun City, AZ · 136 clinicians
Hospital affiliation
- Banner Desert Medical CenterMesa, AZ
Industry payments (Open Payments)
- 2025$1,838 · 94 payments from 17 companies
- 2024$1,566 · 77 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $362.77 | 22 |
| Ipsen Biopharmaceuticals, Inc | $210.42 | 9 |
| Takeda Pharmaceuticals U.S.A., Inc. | $203.60 | 11 |
| Janssen Biotech, Inc. | $203.41 | 10 |
| Pfizer Inc. | $182.97 | 16 |
What the 2025 payments were for
- Food and Beverage$1,838 · 94 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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