Michael Andrew Malloy, M.D.
NPI 1679597371ActiveIndividual· Internal Medicine, Rheumatology· Tulsa, OK
Internal Medicine, Rheumatology (M.D.) in Tulsa, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $1,620,522 for 8,170 claims, against $60,656 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $2,057 in all, mostly food and beverage.
Overview
| NPI | 1679597371 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 26, 2006 |
| Last updated in NPPES | Sep 10, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 21023 | OK |
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 - Rheumatology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 506 |
|---|---|
| Services billed | 7,647 across 12 procedure codes |
| Paid by Medicare | $60,656 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,170 · 14,203 30-day fills |
|---|---|
| Patients | 905 |
| Total drug cost | $1,620,522 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical groups
- Warren Clinic IncTulsa, OK · 883 clinicians
- Saint Francis Hospital, Inc.Tulsa, OK · 61 clinicians
Hospital affiliations
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$2,057 · 115 payments from 12 companies
- 2024$2,528 · 120 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $707.21 | 38 |
| Amgen Inc. | $621.73 | 45 |
| Novartis Pharmaceuticals Corporation | $151.84 | 7 |
| Pfizer Inc. | $138.41 | 6 |
| Astrazeneca Pharmaceuticals LP | $89.08 | 5 |
What the 2025 payments were for
- Food and Beverage$2,057 · 115 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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