Marilyn Mejia-Pena, LCSW
NPI 1437437720 · Clinical Social Worker · Long Beach, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilyn Mejia-Pena, LCSW is a Clinical Social Worker provider in Long Beach, CA (NPI 1437437720).
Provider details
- NPI number
- 1437437720
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS24356 (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
14 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
- 2011-08-03
- Last updated
- 2011-08-03
Frequently asked questions
- What is Marilyn Mejia-Pena's NPI number?
- Marilyn Mejia-Pena's National Provider Identifier (NPI) is 1437437720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Mejia-Pena's specialty?
- Marilyn Mejia-Pena is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marilyn Mejia-Pena located?
- Marilyn Mejia-Pena's practice location on file with NPPES is 525 E 7th St, Long Beach, CA 90813-4559.
- What is Marilyn Mejia-Pena's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Mejia-Pena is (562) 505-7866.
- Does Marilyn Mejia-Pena accept Medicare?
- Marilyn Mejia-Pena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marilyn Mejia-Pena's NPI active?
- Yes — Marilyn Mejia-Pena's NPI (1437437720) is active in the NPPES registry as of the last update on 2011-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.