Cristina Belen Martinez, MSW, MPH
Social Worker · Los Angeles, CA
Cristina Belen Martinez, MSW, MPH is a social worker with a practice address in Los Angeles, California, and NPI 1972054369, issued on Oct 20, 2016. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cristina Belen Martinez
- Credential
- MSW, MPH
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 669 W 34TH St, Los Angeles, CA 90089
- Phone
- (213) 740-2711
- Enumerated
- Oct 20, 2016
- Record last updated
- Dec 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210621001694); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest social worker records → All 10,332 in California → Look up another NPI →
Also registered at 669 W 34TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer NicholsStudent in an Organized Health Care Education/Training Program1972924702
- Dorothy Nieto Manzer, LCSWClinical Social Worker1710823125
- Luis SalazarSocial Worker1710682299
Verify Cristina Belen Martinez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSan Dimas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cristina Belen Martinez among 10,332 social worker records in California
Cristina Belen Martinez, MSW, MPH is one of 10,332 social worker records with a practice address in California. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 39% of them.
- NPI issued2016 · 39% of these records are older, 58% newer
- In a Medicare fileYes · 2% of these records are
- In the CMS Doctors and Clinicians fileYes · 3% of these records are
- Graduated2015 · median 2015 among the 299 with a school on file
- Record last updated2021 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,054 social worker records list a practice address in Los Angeles
They are 1,054 of the 69,537 NPPES records with a practice address in Los Angeles, and 10,332 social worker records in California.
All 10,332 in California → Every provider in Los Angeles → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Giselda DubonLos Angeles, CA 900891023826450
- Nguyet GalazLos Angeles, CA 900891932328820
- Nellie GonzalezLos Angeles, CA 900891700187101
- Bita KaramzadehLos Angeles, CA 900891255692885
- Erin ReighardLos Angeles, CA 900891932473956
- Luis SalazarLos Angeles, CA 900891710682299
- James TanLos Angeles, CA 900891326313263
- Rehana Shah, M.S.W.Playa Vista, CA 900941831466135
Common questions
What is Cristina Belen Martinez, MSW, MPH's NPI number?
Cristina Belen Martinez, MSW, MPH's National Provider Identifier (NPI) is 1972054369, issued on Oct 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Cristina Belen Martinez, MSW, MPH located?
The NPPES record lists a practice address at 669 W 34TH St, Los Angeles, CA, 90089. Phone: (213) 740-2711. Providers update this record themselves, so call before visiting.
How can I verify Cristina Belen Martinez, MSW, MPH's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.