NPPES file of Aug 9, 2026

Tony S. Quang, M.D.

Radiation Oncology Physician · Sacramento, CA

Tony S. Quang, M.D. is a radiation oncology physician with a practice address in Sacramento, California, and NPI 1457334534, issued on Nov 22, 2005. Check the license (California A88844, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457334534
Name
Tony S. Quang
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A88844 CA
Self-reported in NPPES; status is on the state search
Practice location
4501 X St Ste 0140, Sacramento, CA 95817
Phone
(916) 734-7888
Enumerated
Nov 22, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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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Verify Tony S. Quang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A88844
    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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Industry payments in 2024: $15.95

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tony Quang$15.95
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Tony S. Quang among 735 radiation oncology physician records in California

Tony S. Quang, M.D. is one of 735 radiation oncology physician records with a practice address in California. 83% 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, 84% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 74% of these records are
  • Record last updated2007 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Ruben Fragoso, MD, PHDSacramento, CA 958171417154436
  2. Zelanna Goldberg, M.D.Sacramento, CA 958171669454385
  3. Arta Monjazeb, M.D., PH.D.Sacramento, CA 958171619136835
  4. Minahal NaveedSacramento, CA 958171356099592
  5. Ky Nam Nguyen, M.D.Sacramento, CA 958171285011254
  6. Shyam Rao, M.D., PH.D.Sacramento, CA 958171265559694
  7. Richard Valicenti, M.D.Sacramento, CA 958171235152232
  8. Charles Wang, MD / PHDSacramento, CA 958171710650411

Common questions

What is Tony S. Quang, M.D.'s NPI number?

Tony S. Quang, M.D.'s National Provider Identifier (NPI) is 1457334534, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Tony S. Quang, M.D. located?

The NPPES record lists a practice address at 4501 X St Ste 0140, Sacramento, CA, 95817. Phone: (916) 734-7888. Providers update this record themselves, so call before visiting.

How can I verify Tony S. Quang, M.D.'s license?

NPPES lists California license number A88844, 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.