John Carethers, M.D.
NPI 1518048990 · Gastroenterology Physician · La Jolla, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Carethers, M.D. is a Gastroenterology Physician provider in La Jolla, CA (NPI 1518048990).
Provider details
- NPI number
- 1518048990
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301059491 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
4 documented practice locations
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
Additional practice locations (3)
- 9300 Campus Point DrLa Jolla, CA 92037-1300Phone: (800) 926-8273
- 200 W Arbor DrSan Diego, CA 92103-9000Phone: (800) 926-8273
- 1500 E Medical Center Drive1st Floor Cancer CenterAnn Arbor, MI 48109-5902Phone: (734) 647-8906
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2024-06-28
- Certified
- 2024-06-28
Frequently asked questions
- What is John Carethers's NPI number?
- John Carethers's National Provider Identifier (NPI) is 1518048990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Carethers's specialty?
- John Carethers is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Carethers located?
- John Carethers's practice location on file with NPPES is 9350 Campus Point Dr, La Jolla, CA 92037-1300.
- What is John Carethers's phone number?
- The practice phone number listed in the NPPES registry for John Carethers is (800) 926-8273.
- Does John Carethers accept Medicare?
- John Carethers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Carethers's NPI active?
- Yes — John Carethers's NPI (1518048990) is active in the NPPES registry as of the last update on 2024-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.