Michael Ryan, M.D.
NPI 1164742615 · Diagnostic Radiology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Ryan, M.D. is a Diagnostic Radiology Physician provider in Ann Arbor, MI (NPI 1164742615).
Provider details
- NPI number
- 1164742615
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301098013 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
2,189 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 683 | $8 |
| Limited Ultrasound Scan of Abdomen76705 | 269 | $26 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 246 | $33 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 218 | $20 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 123 | $31 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 82 | $25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-07
- Last updated
- 2016-06-09
Frequently asked questions
- What is Michael Ryan's NPI number?
- Michael Ryan's National Provider Identifier (NPI) is 1164742615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Ryan's specialty?
- Michael Ryan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Ryan located?
- Michael Ryan's practice location on file with NPPES is 1500 E Medical Center Drive, Ann Arbor, MI 48109-5030.
- What is Michael Ryan's phone number?
- The practice phone number listed in the NPPES registry for Michael Ryan is (734) 936-4566.
- Does Michael Ryan accept Medicare?
- Michael Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Ryan's NPI active?
- Yes — Michael Ryan's NPI (1164742615) is active in the NPPES registry as of the last update on 2016-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.