Olivia Guillermo
NPI 1376140244 · Marriage & Family Therapist · Rocklin, CA
Olivia Guillermo is a Marriage & Family Therapist provider in Rocklin, CA (NPI 1376140244).
Provider details
- NPI number
- 1376140244
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 122246 (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
5 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
- 2020-10-05
- Last updated
- 2020-10-05
- Certified
- 2020-10-03
Frequently asked questions
- What is Olivia Guillermo's NPI number?
- Olivia Guillermo's National Provider Identifier (NPI) is 1376140244, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Guillermo's specialty?
- Olivia Guillermo is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Olivia Guillermo located?
- Olivia Guillermo's practice location on file with NPPES is 1628 Monroe Way, Rocklin, CA 95765-6278.
- What is Olivia Guillermo's phone number?
- The practice phone number listed in the NPPES registry for Olivia Guillermo is (626) 818-2310.
- Is Olivia Guillermo's NPI active?
- Yes — Olivia Guillermo's NPI (1376140244) is active in the NPPES registry as of the last update on 2020-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.