John R. Tesser, MD
NPI 1427049220ActiveIndividual· Internal Medicine, Rheumatology· Phoenix, AZ
Internal Medicine, Rheumatology (MD) in Phoenix, Arizona, trained at University of Rochester School of Medicine and Dentistry (class of 1977). In 2024 Medicare paid $3,552,914 for 737 patients, and Part D covered 2,389 of their prescriptions, 81% of them generic. Janssen Biotech, Inc. was the largest of 20 companies reporting payments in 2025, $74,720 in all, mostly speaking and faculty fees.
Overview
| NPI | 1427049220 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 31, 2005 |
| Last updated in NPPES | Aug 19, 2022 |
| Certified by provider | Aug 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 11285 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Rheumatology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 737 |
|---|---|
| Services billed | 285,244 across 114 procedure codes |
| Paid by Medicare | $3,552,914 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,389 · 5,055 30-day fills |
|---|---|
| Patients | 512 |
| Total drug cost | $2,651,878 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Rochester School of Medicine and Dentistry |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Arizona Arthritis and Rheumatology Associates P CPhoenix, AZ · 65 clinicians
Industry payments (Open Payments)
- 2025$74,720 · 218 payments from 20 companies
- 2024$92,578 · 258 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $20,748 | 37 |
| Ucb, Inc. | $19,744 | 25 |
| Abbvie Inc. | $11,362 | 45 |
| Janssen Scientific Affairs, LLC | $9,037 | 9 |
| Glaxosmithkline, LLC. | $7,968 | 13 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$52,194 · 20 payments
- Consulting Fee$10,375 · 3 payments
- Travel and Lodging$8,232 · 33 payments
- Food and Beverage$3,819 · 161 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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