NPPES file of Aug 9, 2026

Thomas Mitropoulos

Peer Specialist · Long Beach, CA

Thomas Mitropoulos is a peer specialist with a practice address in Long Beach, California, and NPI 1043174469, issued on Dec 10, 2025. Check the license (California MPSS-CWNTMH, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1043174469
Name
Thomas Mitropoulos
Primary taxonomy
Peer Specialist 175T00000X
License number
MPSS-CWNTMH CA
Self-reported in NPPES; status is on the state search
Practice location
5190 Atlantic Ave, Long Beach, CA 90805
Phone
(818) 996-1051
Enumerated
Dec 10, 2025
Record last updated
Dec 10, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5190 Atlantic Ave

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

  1. Ann AbrahamNurse Practitioner1447795182
  2. Patricia AcostaCounselor1720668999
  3. Melina Adair, MSW, ACSWClinical Social Worker1023646148
  4. Andy AguilaCase Manager/Care Coordinator1447802988
  5. Julie Alm, CADEEAddiction (Substance Use Disorder) Counselor1093194870
  6. Erika Janella AlmiraAddiction (Substance Use Disorder) Counselor1861236051

Verify Thomas Mitropoulos 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 MPSS-CWNTMH
    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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Thomas Mitropoulos among 4,528 peer specialist records in California

Thomas Mitropoulos is one of 4,528 peer specialist records with a practice address in California. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 74% of them.

  • NPI issued2025 · 74% of these records are older, 9% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2025 · 15% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 175T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Peer Specialist providers in California

There are 4,528 peer specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 peer specialist records with the nearest ZIP codes

  1. Elijah AlesanaLong Beach, CA 908051548057383
  2. Joseph AllenLong Beach, CA 908051639917602
  3. Gayle Marie AlvarezLong Beach, CA 908051740169069
  4. Marcos BetancourtLong Beach, CA 908051285494252
  5. Joseph EstradaLong Beach, CA 908051427734649
  6. Jose FloresLong Beach, CA 908051790563724
  7. Hugo GonzalezLong Beach, CA 908051821982901
  8. Jason JamilanoLong Beach, CA 908051205447075

Common questions

What is Thomas Mitropoulos's NPI number?

Thomas Mitropoulos's National Provider Identifier (NPI) is 1043174469, issued on Dec 10, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Mitropoulos located?

The NPPES record lists a practice address at 5190 Atlantic Ave, Long Beach, CA, 90805. Phone: (818) 996-1051. Providers update this record themselves, so call before visiting.

How can I verify Thomas Mitropoulos's license?

NPPES lists California license number MPSS-CWNTMH, 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. 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.