Gretchen Gainor, M.D.
NPI 1174504757 · Pediatrics Physician · La Jolla, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Gainor, M.D. is a Pediatrics Physician provider in La Jolla, CA (NPI 1174504757).
Provider details
- NPI number
- 1174504757
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G79066 (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
2 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 (1)
- 5726 La Jolla BlvdSuite 107La Jolla, CA 92037-7344Phone: (858) 459-5437Fax: (858) 459-5459
Registry dates
- Enumerated
- 2005-11-09
- Last updated
- 2021-05-19
- Certified
- 2021-05-19
Frequently asked questions
- What is Gretchen Gainor's NPI number?
- Gretchen Gainor's National Provider Identifier (NPI) is 1174504757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Gainor's specialty?
- Gretchen Gainor is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Gretchen Gainor located?
- Gretchen Gainor's practice location on file with NPPES is 7300 Girard Ave, La Jolla, CA 92037-5138.
- What is Gretchen Gainor's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Gainor is (858) 459-4351.
- Does Gretchen Gainor accept Medicare?
- Gretchen Gainor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Gainor's NPI active?
- Yes — Gretchen Gainor's NPI (1174504757) is active in the NPPES registry as of the last update on 2021-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.