George Gregory Demopoulos
NPI 1942797840ActiveIndividual· Internal Medicine· Tulsa, OK
Internal Medicine in Tulsa, Oklahoma, trained at Michigan State University College of Osteopathic Medicine (class of 2018). Medicare paid $41,932 for services to 223 patients in 2024.
Overview
| NPI | 1942797840 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 16, 2018 |
| Last updated in NPPES | Mar 10, 2026 |
| Certified by provider | Mar 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 6642 | OK |
| 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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 347 across 12 procedure codes |
| Paid by Medicare | $41,932 |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- Usacs Observation Medicine Services of Oklahoma, LLCTulsa, OK · 210 clinicians
Hospital affiliations
- Ascension St John Broken ArrowBroken Arrow, OK
- Ascension St John Medical CenterTulsa, OK
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Tulsa
- 1003203662
- 1013974757
- 1033111547
- 1033262712
- 1033648951
- 1043445620
- 1043898562
- 1053529891
- 1063562981
- 1073053468
- 1073545885
- 1073592945
All 373 internal medicine physicians in Tulsa · All internal medicine physicians in Oklahoma