Krishnaswamy Rajan, MD
NPI 1922037449 · Gastroenterology Physician · Fairfield, CA
Krishnaswamy Rajan, MD is a Gastroenterology Physician provider in Fairfield, CA (NPI 1922037449).
Provider details
- NPI number
- 1922037449
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C52095 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-06-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Krishnaswamy Rajan's NPI number?
- Krishnaswamy Rajan's National Provider Identifier (NPI) is 1922037449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Krishnaswamy Rajan's specialty?
- Krishnaswamy Rajan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Krishnaswamy Rajan located?
- Krishnaswamy Rajan's practice location on file with NPPES is 2741 Seminole Dr, Fairfield, CA 94534-7818.
- What is Krishnaswamy Rajan's phone number?
- The practice phone number listed in the NPPES registry for Krishnaswamy Rajan is (707) 399-8019.
- Is Krishnaswamy Rajan's NPI active?
- Yes — Krishnaswamy Rajan's NPI (1922037449) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.