Jean Michel Grillon, M.D.
NPI 1609253533 · Diagnostic Radiology Physician · Denver, CO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1609253533
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A146596 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,890 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 316 | $89 |
| Ct Scan of Chest Without Contrast71250 | 184 | $53 |
| X-Ray of Chest, 1 View71045 | 183 | $9 |
| Ct Scan of Chest Without Contrast71250 | 145 | $126 |
| Ct Scan of Chest With Contrast71260 | 143 | $55 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 139 | $86 |
Practice location
Mailing address
Additional practice locations (1)
- 10800 E Geddes Ave Ste 300Englewood, CO 80112-3895Phone: (303) 761-9190Fax: (720) 874-4462
Registry dates
- Enumerated
- 2015-04-29
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.