Leon Altamirano, PSY.D.
NPI 1619271517 · Psychologist · San Marcos, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leon Altamirano, PSY.D. is a Psychologist provider in San Marcos, CA (NPI 1619271517).
Provider details
- NPI number
- 1619271517
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY23734 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2011-01-06
- Last updated
- 2014-06-20
Frequently asked questions
- What is Leon Altamirano's NPI number?
- Leon Altamirano's National Provider Identifier (NPI) is 1619271517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Altamirano's specialty?
- Leon Altamirano is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Leon Altamirano located?
- Leon Altamirano's practice location on file with NPPES is 150 Valpreda Rd, San Marcos, CA 92069-2973.
- What is Leon Altamirano's phone number?
- The practice phone number listed in the NPPES registry for Leon Altamirano is (619) 890-3262.
- Does Leon Altamirano accept Medicare?
- Leon Altamirano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leon Altamirano's NPI active?
- Yes — Leon Altamirano's NPI (1619271517) is active in the NPPES registry as of the last update on 2014-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.