NPPES file of Aug 9, 2026

Maurice Yu, M.D.

Diagnostic Radiology Physician · Santa Ana, CA

Maurice Yu, M.D. is a diagnostic radiology physician with a practice address in Santa Ana, California, and NPI 1003072885, issued on Jul 31, 2008. Check the license (California A123440, 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
1003072885
Name
Maurice Yu
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
A123440 CA
125051509 IL
MD70072922 WA
Self-reported in NPPES; status is on the state search
Practice location
1001 N Tustin Ave, Santa Ana, CA 92705
Phone
(949) 583-9264
Enumerated
Jul 31, 2008
Record last updated
Dec 2, 2025
Fax
(949) 269-9139
Medicare enrollment
Enrolled (PECOS I20130626000176); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 2006
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 1001 N Tustin Ave

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

  1. Stewart Brash, M.D.Emergency Medicine Physician1427001163
  2. Steven Bui, D.O.Anesthesiology Physician1508252883
  3. Anne Castle, P.A.Physician Assistant1669424206
  4. Julia Celani, P.T.Physical Therapist1659349165
  5. Omar Chowdhry, D.O.Anesthesiology Physician1972735074
  6. Catherine Chung, MDAnesthesiology Physician1205820586

Verify Maurice Yu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A123440    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 6 group practices

  1. Bellingham Advanced Medical Imaging LLCIrvine, CA
  2. Fairbanks Medical Imaging LLCIrvine, CA
  3. Jefferson County Public Hospital District NO 2Port Townsend, WA
  4. Seven Star Hospital Associates IncHemet, CA
  5. Skagit Radiology Inc P SIrvine, CA
  6. Sol Radiology IncSanta Ana, CA

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

Maurice Yu among 4,500 diagnostic radiology physician records in California

Maurice Yu, 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 2008, is newer than 59% of them.

  • NPI issued2008 · 59% of these records are older, 36% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2006 · median 2004 among the 3,130 with a school on file
  • Record last updated2025 · 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 Santa Ana → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Joseph Brugman, M.D.Santa Ana, CA 927051790727188
  2. Khurshed Dastur, MDSanta Ana, CA 927051740287887
  3. Laszlo Kaveggia, M.D.Santa Ana, CA 927051508808924
  4. Patricia Kincaid, M.D.Santa Ana, CA 927051134163165
  5. Jessica Langer, MDSanta Ana, CA 927051972893923
  6. Hemlata Lepkowski, MDTustin, CA 927051114038338
  7. Christina Ma, M.D.Santa Ana, CA 927051891052742
  8. Duke Nguyen, M.D.Santa Ana, CA 927051700822962

Common questions

What is Maurice Yu, M.D.'s NPI number?

Maurice Yu, M.D.'s National Provider Identifier (NPI) is 1003072885, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Maurice Yu, M.D. located?

The NPPES record lists a practice address at 1001 N Tustin Ave, Santa Ana, CA, 92705. Phone: (949) 583-9264. Providers update this record themselves, so call before visiting.

How can I verify Maurice Yu, M.D.'s license?

NPPES lists California license number A123440, 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.