Guillermina Martinon, MSW
NPI 1255742276 · Mental Health Counselor · Long Beach, CA
Guillermina Martinon, MSW is a Mental Health Counselor provider in Long Beach, CA (NPI 1255742276).
Provider details
- NPI number
- 1255742276
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
- License
- ASW65416 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
12 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
- 2014-05-13
- Last updated
- 2021-04-19
- Certified
- 2021-04-19
Frequently asked questions
- What is Guillermina Martinon's NPI number?
- Guillermina Martinon's National Provider Identifier (NPI) is 1255742276, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermina Martinon's specialty?
- Guillermina Martinon is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Guillermina Martinon located?
- Guillermina Martinon's practice location on file with NPPES is 100 E Wardlow Rd, Long Beach, CA 90807-4417.
- What is Guillermina Martinon's phone number?
- The practice phone number listed in the NPPES registry for Guillermina Martinon is (562) 427-6818.
- Is Guillermina Martinon's NPI active?
- Yes — Guillermina Martinon's NPI (1255742276) is active in the NPPES registry as of the last update on 2021-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.