NPPES file of Aug 9, 2026

Tom Thanh Nguyen, M.D.

Diagnostic Radiology Physician · Sacramento, CA

Tom Thanh Nguyen, M.D. is a diagnostic radiology physician with a practice address in Sacramento, California, and NPI 1457338816, issued on Dec 28, 2005. Check the license (California A82255, 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
1457338816
Name
Tom Thanh Nguyen
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
A82255 CA
Self-reported in NPPES; status is on the state search
Practice location
2025 Morse Ave, Sacramento, CA 95825
Phone
(916) 973-6576
Enumerated
Dec 28, 2005
Record last updated
Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070216000577); 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.
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8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →

Also registered at 2025 Morse Ave

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

  1. Mouner Abouelkhier, RPHPharmacist1164571832
  2. Elijah Abramson, MDEmergency Medicine Physician1992334965
  3. Cynthia Adams, RNMedical-Surgical Registered Nurse1346372190
  4. Jesse Adams, MDHematology & Oncology Physician1851479554
  5. Qudeer Ahmad, BS RRTCritical Care Registered Respiratory Therapist1649742594
  6. Paul Akins, MDNeurology Physician1952489528

Verify Tom Thanh Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A82255    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.

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Bills Medicare through one group practice

  1. Permanente Medical Group IncRoseville, CA

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

Tom Thanh Nguyen among 4,500 diagnostic radiology physician records in California

Tom Thanh Nguyen, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2001 · median 2004 among the 3,130 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

All 4,500 in California → Every provider in Sacramento → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Robert Carlisle, MDSacramento, CA 958251720166408
  2. John Delavega, M.D.Sacramento, CA 958251326045212
  3. Pamala Ferron, MDSacramento, CA 958251871671552
  4. Frank Fontaine, MDSacramento, CA 958251386722072
  5. Alex Hongkham, M.D.Sacramento, CA 958251083673172
  6. Steven Khine, MDSacramento, CA 958251578641288
  7. Ronald Moss, MDSacramento, CA 958251063590750
  8. James Smith, MDSacramento, CA 958251760560445

Common questions

What is Tom Thanh Nguyen, M.D.'s NPI number?

Tom Thanh Nguyen, M.D.'s National Provider Identifier (NPI) is 1457338816, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Tom Thanh Nguyen, M.D. located?

The NPPES record lists a practice address at 2025 Morse Ave, Sacramento, CA, 95825. Phone: (916) 973-6576. Providers update this record themselves, so call before visiting.

How can I verify Tom Thanh Nguyen, M.D.'s license?

NPPES lists California license number A82255, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.