Erinn Rae Ayres, MD
NPI 1942435292ActiveIndividual· Internal Medicine· Tucson, AZ
Internal Medicine (MD) in Tucson, Arizona, trained at University of Arizona College of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $829,998 for 9,791 claims, against $198,500 paid for services in 2024. Abbvie Inc. reported $22.44 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1942435292 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 15, 2009 |
| Last updated in NPPES | Jun 23, 2026 |
| Certified by provider | Jun 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 67364 | AZ |
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 - Internal Medicine (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 431 |
|---|---|
| Services billed | 5,745 across 116 procedure codes |
| Paid by Medicare | $198,500 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,791 · 23,945 30-day fills |
|---|---|
| Patients | 930 |
| Total drug cost | $829,998 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Arizona Community Physicians PCTucson, AZ · 161 clinicians
Hospital affiliations
- Northwest Medical CenterTucson, AZ
- Oro Valley HospitalOro Valley, AZ
- Tucson Medical CenterTucson, AZ
Other facilities
- Amedisys Home Health CareHome health agency · Tucson, AZ
- Angels Care Home Health of Arizona No 3Home health agency · Green Valley, AZ
- Bayada Home Health Care, IncHome health agency · Tucson, AZ
- Bayada Home Health Care, IncHome health agency · Tucson, AZ
Industry payments (Open Payments)
- 2025$22.44 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $22.44 | 1 |
What the 2025 payments were for
- Food and Beverage$22.44 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 742 internal medicine physicians in Tucson · All internal medicine physicians in Arizona