John Carlson, M.D
NPI 1164429965 · Gastroenterology Physician · Salinas, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Carlson, M.D is a Gastroenterology Physician provider in Salinas, CA (NPI 1164429965).
Provider details
- NPI number
- 1164429965
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- G40653 (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
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
Mailing address
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2022-08-14
- Certified
- 2022-08-14
Frequently asked questions
- What is John Carlson's NPI number?
- John Carlson's National Provider Identifier (NPI) is 1164429965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Carlson's specialty?
- John Carlson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Carlson located?
- John Carlson's practice location on file with NPPES is 1083 Los Palos Dr, Salinas, CA 93901-3916.
- What is John Carlson's phone number?
- The practice phone number listed in the NPPES registry for John Carlson is (831) 771-1456.
- Does John Carlson accept Medicare?
- John Carlson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Carlson's NPI active?
- Yes — John Carlson's NPI (1164429965) is active in the NPPES registry as of the last update on 2022-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.