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R Johnson, M.D.
NPI 1548272446 · Gastroenterology Physician · San Diego, CA
R Johnson, M.D. is a Gastroenterology Physician provider in San Diego, CA (NPI 1548272446).
Provider details
- NPI number
- 1548272446
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C28502 (CA)
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
19 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
2929 Health Center Dr
San Diego, CA 92123-2762
Phone: (858) 939-6531
Fax: (858) 874-2351
Street-level locationGet directions
Mailing address
2929 Health Center Dr
San Diego, CA 92123-2762
Registry dates
- Enumerated
- 2006-08-12
- Last updated
- 2014-01-24
Frequently asked questions
- What is R Johnson's NPI number?
- R Johnson's National Provider Identifier (NPI) is 1548272446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is R Johnson's specialty?
- R Johnson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is R Johnson located?
- R Johnson's practice location on file with NPPES is 2929 Health Center Dr, San Diego, CA 92123-2762.
- What is R Johnson's phone number?
- The practice phone number listed in the NPPES registry for R Johnson is (858) 939-6531.
- Is R Johnson's NPI active?
- Yes — R Johnson's NPI (1548272446) is active in the NPPES registry as of the last update on 2014-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.