Karen Johnson, MD
NPI 1952405193 · Diagnostic Radiology Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Johnson, MD is a Diagnostic Radiology Physician provider in Cleveland, OH (NPI 1952405193).
Provider details
- NPI number
- 1952405193
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 35089670 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Diagnostic Radiology Physician2085R0202X
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
1,500 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 | 259 | $33 |
| Screening 3d Breast Mammography77063 | 258 | $26 |
| Screening Mammography77067 | 228 | $33 |
| Screening 3d Breast Mammography77063 | 225 | $26 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 190 | $27 |
| Diagnostic Mammography of 1 Breast77065 | 117 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-08
- Last updated
- 2007-10-11
Frequently asked questions
- What is Karen Johnson's NPI number?
- Karen Johnson's National Provider Identifier (NPI) is 1952405193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Johnson's specialty?
- Karen Johnson is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Johnson located?
- Karen Johnson's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
- What is Karen Johnson's phone number?
- The practice phone number listed in the NPPES registry for Karen Johnson is (800) 223-2273.
- Does Karen Johnson accept Medicare?
- Karen Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Johnson's NPI active?
- Yes — Karen Johnson's NPI (1952405193) is active in the NPPES registry as of the last update on 2007-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.