Ryan Griesbach, MD
NPI 1821445107 · Diagnostic Radiology Physician · Fort Collins, CO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Griesbach, MD is a Diagnostic Radiology Physician provider in Fort Collins, CO (NPI 1821445107).
Provider details
- NPI number
- 1821445107
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 69923-20 (WI)
Specialties & taxonomies
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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
5,555 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) |
|---|---|---|
| Screening Mammography77067 | 671 | $34 |
| Screening 3d Breast Mammography77063 | 668 | $27 |
| Ct Scan Head Or Brain Without Contrast70450 | 225 | $37 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 211 | $9 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 197 | $67 |
| Mri Scan of Brain Before and After Contrast70553 | 165 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-17
- Last updated
- 2022-07-27
- Certified
- 2022-07-27
Frequently asked questions
- What is Ryan Griesbach's NPI number?
- Ryan Griesbach's National Provider Identifier (NPI) is 1821445107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Griesbach's specialty?
- Ryan Griesbach is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Griesbach located?
- Ryan Griesbach's practice location on file with NPPES is 1024 S Lemay Ave, Fort Collins, CO 80524-3929.
- What is Ryan Griesbach's phone number?
- The practice phone number listed in the NPPES registry for Ryan Griesbach is (970) 484-4757.
- Does Ryan Griesbach accept Medicare?
- Ryan Griesbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Griesbach's NPI active?
- Yes — Ryan Griesbach's NPI (1821445107) is active in the NPPES registry as of the last update on 2022-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.