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Clarennce Johnson, MD
NPI 1205885852 · Anesthesiology Physician · Madison, WI
Clarennce Johnson, MD is a Anesthesiology Physician provider in Madison, WI (NPI 1205885852).
Provider details
- NPI number
- 1205885852
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25837-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
700 S Park St
St Marys Hospital/Dean Medical Center
Madison, WI 53715-1849
Phone: (608) 258-6975
Fax: (608) 258-5222
Street-level locationGet directions
Mailing address
700 S Park St
Madison, WI 53715-1849
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2008-05-08
Frequently asked questions
- What is Clarennce Johnson's NPI number?
- Clarennce Johnson's National Provider Identifier (NPI) is 1205885852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarennce Johnson's specialty?
- Clarennce Johnson is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Clarennce Johnson located?
- Clarennce Johnson's practice location on file with NPPES is 700 S Park St, Madison, WI 53715-1849.
- What is Clarennce Johnson's phone number?
- The practice phone number listed in the NPPES registry for Clarennce Johnson is (608) 258-6975.
- Is Clarennce Johnson's NPI active?
- Yes — Clarennce Johnson's NPI (1205885852) is active in the NPPES registry as of the last update on 2008-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.