NPPES file of Aug 9, 2026

Amy Theresa Thomas, D.O.

Anesthesiology Physician · Long Beach, CA

Amy Theresa Thomas, D.O. is an anesthesiology physician with a practice address in Long Beach, California, and NPI 1447481924, issued on Aug 2, 2009. Check the license (California 20A9564, as entered in NPPES) on the Medical Board of California; 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
1447481924
Name
Amy Theresa Thomas
Credential
D.O.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
20A9564 CA
Self-reported in NPPES; status is on the state search
Practice location
4421 Rutgers Ave, Long Beach, CA 90808
Phone
(951) 805-8314
Enumerated
Aug 2, 2009
Record last updated
Aug 2, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20091008000674); accepts Medicare assignment
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.
Download card Updates feed

Verify Amy Theresa Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A9564
    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
Open 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Allied Anesthesia Medical Group IncOrange, CA

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

Amy Theresa Thomas among 7,571 anesthesiology physician records in California

Amy Theresa Thomas, D.O. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.

  • NPI issued2009 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2004 · median 2006 among the 4,868 with a school on file
  • Record last updated2009 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Ronalie Alonzo, MDLong Beach, CA 908081780782979
  2. David Lu, MDLong Beach, CA 908081235355751
  3. Mark Awad, MDLong Beach, CA 908071841582673
  4. Boris Gelman, MDLong Beach, CA 908071841380524
  5. Justin Mottaghi, MDLong Beach, CA 908071235585886
  6. Ryan Nageotte, M.D.Long Beach, CA 908071265660484
  7. Lawrence Presley, MDLong Beach, CA 908071275787533
  8. Jaclyn Edelson, MDLong Beach, CA 908061437736600

Common questions

What is Amy Theresa Thomas, D.O.'s NPI number?

Amy Theresa Thomas, D.O.'s National Provider Identifier (NPI) is 1447481924, issued on Aug 2, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Amy Theresa Thomas, D.O. located?

The NPPES record lists a practice address at 4421 Rutgers Ave, Long Beach, CA, 90808. Phone: (951) 805-8314. Providers update this record themselves, so call before visiting.

How can I verify Amy Theresa Thomas, D.O.'s license?

NPPES lists California license number 20A9564, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.