Gregory Parker, MD
NPI 1023541349ActiveIndividual· Radiology, Diagnostic Radiology· Lakewood, CO
Radiology, Diagnostic Radiology (MD) in Lakewood, Colorado, trained at Harvard Medical School (class of 2017). Medicare paid $107,973 for services to 1,467 patients in 2024. Axsome Therapeutics, Inc. reported $25.85 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1023541349 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 4, 2017 |
| Last updated in NPPES | Sep 29, 2023 |
| Certified by provider | Sep 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | DR.0069891 | CO |
| 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 - Diagnostic Radiology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,467 |
|---|---|
| Services billed | 3,321 across 88 procedure codes |
| Paid by Medicare | $107,973 |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Musc Community PhysiciansCentennial, CO · 1,544 clinicians
- Charlotte Radiology P ACharlotte, NC · 227 clinicians
- Diversified Radiology of Colorado IncNorthglenn, CO · 94 clinicians
- M and B Imaging, PCGainesville, GA · 69 clinicians
- Spectrum Medical Imaging LLCBrighton, CO · 47 clinicians
Hospital affiliations
- HCA Healthone Mountain RidgeThornton, CO
- HCA Healthone RoseDenver, CO
- Intermountain Health Platte Valley HospitalBrighton, CO
- Saint Joseph HospitalDenver, CO
- St James HospitalButte, MT
Industry payments (Open Payments)
- 2025$25.85 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $25.85 | 1 |
What the 2025 payments were for
- Food and Beverage$25.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other diagnostic radiologists in Lakewood
- 1265722078
- 1447786173
- 1003045022
- 1053371054
- 1154420107
- 1194949883
- 1275739765
- 1285877233
- 1376928978
- 1427127067
- 1437263803
- 1508095423
All 113 diagnostic radiologists in Lakewood · All diagnostic radiologists in Colorado