Manuel Montemayor, MD
NPI 1609918978 · General Practice Physician · San Marcos, CA
Manuel Montemayor, MD is a General Practice Physician provider in San Marcos, CA (NPI 1609918978).
Provider details
- NPI number
- 1609918978
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A51037 (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
- 2007-02-13
- Last updated
- 2015-01-23
Frequently asked questions
- What is Manuel Montemayor's NPI number?
- Manuel Montemayor's National Provider Identifier (NPI) is 1609918978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Manuel Montemayor's specialty?
- Manuel Montemayor is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Manuel Montemayor located?
- Manuel Montemayor's practice location on file with NPPES is 727 W San Marcos Blvd, San Marcos, CA 92078-1244.
- What is Manuel Montemayor's phone number?
- The practice phone number listed in the NPPES registry for Manuel Montemayor is (760) 736-8810.
- Is Manuel Montemayor's NPI active?
- Yes — Manuel Montemayor's NPI (1609918978) is active in the NPPES registry as of the last update on 2015-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.