NPPES file of Aug 9, 2026

Grant Holz, MD

Diagnostic Radiology Physician · San Diego, CA

Grant Holz, MD is a diagnostic radiology physician with a practice address in San Diego, California, and NPI 1083979710, issued on Jul 9, 2012. Check the license 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
1083979710
Name
Grant Holz
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
125061867 IL
Self-reported in NPPES; status is on the state search
Practice location
3534 5TH Ave Apt 206, San Diego, CA 92103
Phone
(877) 737-4636
Enumerated
Jul 9, 2012
Record last updated
Jan 17, 2024
Medicare enrollment
Enrolled (PECOS I20250124001866); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 2012
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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Verify Grant Holz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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9 hospitals and group practices

  1. Fisher County Hospital DistrictRotan, TX · Critical Access Hospitals
  2. Lawrence County Memorial HospitalLawrenceville, IL · Critical Access Hospitals
  3. Lubbock County Hospital DistrictLubbock, TX
  4. North Star Diagnostic Imaging LLCSan Diego, CA
  5. North Star FM LPSan Diego, CA
  6. North Star Mcd LLCSan Diego, CA
  7. North Star Mri OF Frisco LPSan Diego, CA
  8. Vesta Telemedicine Solutions PCSan Diego, CA
  9. Vesta Telemedicine Solutions PLLCGranbury, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Grant Holz among 4,500 diagnostic radiology physician records in California

Grant Holz, MD 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 2012, is newer than 73% of them.

  • NPI issued2012 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2012 · 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.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Lejla Aganovic, MDSan Diego, CA 921031003807652
  2. Gilbert Boswell, M.D.San Diego, CA 921031730150392
  3. Kira Chow, M.DSan Diego, CA 921031538118310
  4. Christine Chung, MDSan Diego, CA 921031528033560
  5. Rosalind Dietrich, MDSan Diego, CA 921031710944426
  6. David Einstein, MDSan Diego, CA 921031568426211
  7. Jay Federhart, MDSan Diego, CA 921031568422558
  8. Tudor Hughes, M.D.San Diego, CA 921031932187127

Common questions

What is Grant Holz, MD's NPI number?

Grant Holz, MD's National Provider Identifier (NPI) is 1083979710, issued on Jul 9, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Grant Holz, MD located?

The NPPES record lists a practice address at 3534 5TH Ave Apt 206, San Diego, CA, 92103. Phone: (877) 737-4636. Providers update this record themselves, so call before visiting.

How can I verify Grant Holz, MD's license?

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.