Maria-Cecilia Guillermo
NPI 1538265269 · Marriage & Family Therapist · San Rafael, CA
Maria-Cecilia Guillermo is a Marriage & Family Therapist provider in San Rafael, CA (NPI 1538265269).
Provider details
- NPI number
- 1538265269
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- MFT22935 (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
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
- 2006-09-16
- Last updated
- 2010-07-06
Frequently asked questions
- What is Maria-Cecilia Guillermo's NPI number?
- Maria-Cecilia Guillermo's National Provider Identifier (NPI) is 1538265269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria-Cecilia Guillermo's specialty?
- Maria-Cecilia Guillermo is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Maria-Cecilia Guillermo located?
- Maria-Cecilia Guillermo's practice location on file with NPPES is 3270 Kerner Blvd Ste B, San Rafael, CA 94901-4840.
- What is Maria-Cecilia Guillermo's phone number?
- The practice phone number listed in the NPPES registry for Maria-Cecilia Guillermo is (415) 473-3270.
- Is Maria-Cecilia Guillermo's NPI active?
- Yes — Maria-Cecilia Guillermo's NPI (1538265269) is active in the NPPES registry as of the last update on 2010-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.