NPPES file of Aug 9, 2026

Quoc-Han Nguyen

Diagnostic Radiology Physician · Modesto, CA

Quoc-Han Nguyen is a diagnostic radiology physician with a practice address in Modesto, California, and NPI 1013476878, issued on Mar 19, 2019. Check the license (California A194696, 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
1013476878
Name
Quoc-Han Nguyen
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
A194696 CA
Self-reported in NPPES; status is on the state search
Practice location
1524 Mchenry Ave Ste 420, Modesto, CA 95350
Phone
(209) 577-4444
Enumerated
Mar 19, 2019
Record last updated
Jul 29, 2024
Fax
(209) 852-2287
Medicare enrollment
Enrolled (PECOS I20240531001516); 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 →

Verify Quoc-Han 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 A194696    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

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Industry payments in 2024: $28.65

1 payment: food and beverage; the largest payer was Blue Earth Diagnostics Limited. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Quoc-Han Nguyen$28.65
  2. Specialty average$2,488.38

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

Bills Medicare through 3 group practices

  1. Modesto Radiological Medical Group IncModesto, CA
  2. Turlock Imaging Services, LLCTurlock, CA
  3. University OF Florida Jacksonville Physicians, Inc.Jacksonville, FL

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

Quoc-Han Nguyen among 4,500 diagnostic radiology physician records in California

Quoc-Han Nguyen 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 2019, is newer than 91% of them.

  • NPI issued2019 · 91% of these records are older, 6% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2018 · median 2004 among the 3,130 with a school on file
  • Record last updated2024 · 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 Modesto → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Dennis Alsofrom, M.D.Modesto, CA 953501598707440
  2. Robert Anderson, M.D.Modesto, CA 953501043252992
  3. Jerry Grigoropoulos, M.D.Modesto, CA 953501326085671
  4. Richard Haak, M.D.Modesto, CA 953501407899909
  5. Herbert Helbig, M.D.Modesto, CA 953501215975818
  6. Joseph Higgins, M.D.Modesto, CA 953501598708166
  7. Michael Klieger, MDModesto, CA 953501114975588
  8. Peter Loew, M.D.Modesto, CA 953501912945668

Common questions

What is Quoc-Han Nguyen's NPI number?

Quoc-Han Nguyen's National Provider Identifier (NPI) is 1013476878, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Quoc-Han Nguyen located?

The NPPES record lists a practice address at 1524 Mchenry Ave Ste 420, Modesto, CA, 95350. Phone: (209) 577-4444. Providers update this record themselves, so call before visiting.

How can I verify Quoc-Han Nguyen's license?

NPPES lists California license number A194696, 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.