John S. Muchmore, MD
NPI 1033163100ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Oklahoma City, OK
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Oklahoma City, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $407,881 for 2,792 claims, against $18,902 paid for services in 2024. Sanofi-Aventis U.S. LLC was the largest of 21 companies reporting payments in 2025, $1,192 in all, mostly food and beverage.
Overview
| NPI | 1033163100 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 21, 2006 |
| Last updated in NPPES | Feb 1, 2021 |
| Certified by provider | Feb 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 10850 | OK |
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 - Endocrinology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 217 |
|---|---|
| Services billed | 352 across 15 procedure codes |
| Paid by Medicare | $18,902 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,792 · 6,612 30-day fills |
|---|---|
| Patients | 592 |
| Total drug cost | $407,881 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
Medical group
- Integris Ambulatory Care CorporationSpencer, OK · 685 clinicians
Hospital affiliations
- Integris Baptist Medical Center, IncOklahoma City, OK
- Integris Southwest Medical CenterOklahoma City, OK
Industry payments (Open Payments)
- 2025$1,192 · 56 payments from 21 companies
- 2024$950.22 · 45 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $153.86 | 7 |
| Xeris Pharmaceuticals, Inc. | $112.69 | 6 |
| Abbott Laboratories | $106.67 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $87.00 | 9 |
| Ibsa Pharma Inc. | $83.51 | 1 |
What the 2025 payments were for
- Food and Beverage$1,192 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Oklahoma City
- 1871473926
- 1154073765
- 1760633846
- 1750986295
- 1053446120
- 1659844587
- 1740730720
- 1720334675
- 1356716435
- 1104919042
- 1306056205
- 1487117321
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Oklahoma →