Matthew Herrmann, M.D.
NPI 1508251091ActiveIndividual· Internal Medicine, Rheumatology· Phoenix, AZ
Internal Medicine, Rheumatology (M.D.) in Phoenix, Arizona, trained at University of Cincinnati College of Medicine (class of 2015). In 2024 Medicare paid $2,197,475 for 748 patients, and Part D covered 1,907 of their prescriptions, 85% of them generic. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $3,397 in all, mostly food and beverage.
Overview
| NPI | 1508251091 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 1, 2015 |
| Last updated in NPPES | Jun 6, 2024 |
| Certified by provider | Jun 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 59895 | AZ |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 748 |
|---|---|
| Services billed | 205,456 across 123 procedure codes |
| Paid by Medicare | $2,197,475 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,907 · 3,759 30-day fills |
|---|---|
| Patients | 516 |
| Total drug cost | $1,517,674 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Arizona Arthritis and Rheumatology Associates P CPhoenix, AZ · 65 clinicians
Industry payments (Open Payments)
- 2025$3,397 · 158 payments from 20 companies
- 2024$2,630 · 138 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $960.45 | 59 |
| Amgen Inc. | $547.59 | 33 |
| Ucb, Inc. | $458.79 | 13 |
| Genzyme Corporation | $301.05 | 3 |
| Mallinckrodt Hospital Products Inc. | $200.43 | 5 |
What the 2025 payments were for
- Food and Beverage$3,297 · 157 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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