Ryan Johnson, M.D.
NPI 1023243730 · Anatomic Pathology Physician · Royal Oak, MI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Johnson, M.D. is a Anatomic Pathology Physician provider in Royal Oak, MI (NPI 1023243730).
Provider details
- NPI number
- 1023243730
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301094155 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
1,491 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) |
|---|---|---|
| Protein Measurement, Serum84165 | 784 | $17 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 360 | $17 |
| Blood Bank Physician Services for Cross Match And/Or Evaluation and Written Report86077 | 125 | $48 |
| Protein Measurement, Body Fluid84166 | 90 | $17 |
| Immunologic Analysis Technique on Body Fluid, Other Fluids With Concentration86335 | 51 | $17 |
| Blood Bank Physician Services With Written Report86079 | 49 | $48 |
| Blood Bank Physician Services for Investigation of Transfusion Reaction With Written Report |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-26
- Last updated
- 2019-08-01
Frequently asked questions
- What is Ryan Johnson's NPI number?
- Ryan Johnson's National Provider Identifier (NPI) is 1023243730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Johnson's specialty?
- Ryan Johnson is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Johnson located?
- Ryan Johnson's practice location on file with NPPES is 3601 W 13 Mile Rd, Royal Oak, MI 48073-6712.
- What is Ryan Johnson's phone number?
- The practice phone number listed in the NPPES registry for Ryan Johnson is (248) 898-9060.
- Does Ryan Johnson accept Medicare?
- Ryan Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Johnson's NPI active?
- Yes — Ryan Johnson's NPI (1023243730) is active in the NPPES registry as of the last update on 2019-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.