Russell Ryan, M.D.
NPI 1134324759 · Clinical Pathology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Russell Ryan, M.D. is a Clinical Pathology Physician provider in Ann Arbor, MI (NPI 1134324759).
Provider details
- NPI number
- 1134324759
- Entity type
- Individual
- Primary specialty
- Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301111690 (MI)
Specialties & taxonomies
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
19 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
234 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) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 103 | $26 |
| Surgical Pathology Consultation and Report on Referred Slides Prepared Elsewhere88321 | 29 | $79 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 27 | $35 |
| Flow Cytometry Technique for Dna Or Cell Analysis, 9 to 15 Markers88188 | 26 | $59 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 24 | $33 |
| Flow Cytometry Technique for Dna Or Cell Analysis, 16 Or More Markers88189 | 14 | $81 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-15
- Last updated
- 2017-03-24
Frequently asked questions
- What is Russell Ryan's NPI number?
- Russell Ryan's National Provider Identifier (NPI) is 1134324759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Russell Ryan's specialty?
- Russell Ryan is listed in the NPPES registry with a primary specialty of Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Russell Ryan located?
- Russell Ryan's practice location on file with NPPES is 1500 E Medical Center Drive, Ann Arbor, MI 48109-5054.
- What is Russell Ryan's phone number?
- The practice phone number listed in the NPPES registry for Russell Ryan is (800) 862-7284.
- Does Russell Ryan accept Medicare?
- Russell Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Russell Ryan's NPI active?
- Yes — Russell Ryan's NPI (1134324759) is active in the NPPES registry as of the last update on 2017-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.