NPPES file of Aug 9, 2026

Maria Celestina Thlang Simkins

Clinical Social Worker · Alhambra, CA

Maria Celestina Thlang Simkins is a clinical social worker with a practice address in Alhambra, California, and NPI 1851919716, issued on Jul 8, 2020. Check the license (California LCSW114292, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851919716
Name
Maria Celestina Thlang Simkins
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
LCSW114292 CA
Self-reported in NPPES; status is on the state search
Practice location
1933 W Valley Blvd, Alhambra, CA 91803
Phone
(925) 628-8173
Enumerated
Jul 8, 2020
Record last updated
Oct 12, 2023
Medicare enrollment
Enrolled (PECOS I20250401000681); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1933 W Valley Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maria Bernal Mendoza, LMFTMarriage & Family Therapist1093358251
  2. Alison LoClinical Social Worker1134926819
  3. Deborah Rogers, TNPsychiatric/Mental Health Registered Nurse1528652179
  4. Josephine Spinuzza, M.F.T.Marriage & Family Therapist1659441087

Verify Maria Celestina Thlang Simkins in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license LCSW114292
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Mood Clinical, P. C.Irvine, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria Celestina Thlang Simkins among 36,261 clinical social worker records in California

Maria Celestina Thlang Simkins is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 72% of them.

  • NPI issued2020 · 72% of these records are older, 23% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 11% of these records are
  • Graduated2019 · median 2012 among the 4,008 with a school on file
  • Record last updated2023 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 clinical social worker records list a practice address in Alhambra

They are 35 of the 1,802 NPPES records with a practice address in Alhambra, and 36,261 clinical social worker records in California.

The 8 clinical social worker records with the nearest ZIP codes

  1. Regina AnAlhambra, CA 918031487848164
  2. Lisette Carmona, LCSWAlhambra, CA 918031811743156
  3. Alejandra Cruz, MSW, LCSWAlhambra, CA 918031164098430
  4. Yvette GonzalezAlhambra, CA 918031720328131
  5. Nina King, LCSWAlhambra, CA 918031629461983
  6. Alison LoAlhambra, CA 918031134926819
  7. Cecilia Muniz, LCSWAlhambra, CA 918031659706281
  8. Lyane PeraltaAlhambra, CA 918031790629574

Common questions

What is Maria Celestina Thlang Simkins's NPI number?

Maria Celestina Thlang Simkins's National Provider Identifier (NPI) is 1851919716, issued on Jul 8, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Maria Celestina Thlang Simkins located?

The NPPES record lists a practice address at 1933 W Valley Blvd, Alhambra, CA, 91803. Phone: (925) 628-8173. Providers update this record themselves, so call before visiting.

How can I verify Maria Celestina Thlang Simkins's license?

NPPES lists California license number LCSW114292, as entered by the provider. 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.