NPPES file of Aug 9, 2026

Richard M. Gritz, M.D.

Diagnostic Radiology Physician · Tarzana, CA

Richard M. Gritz, M.D. is a diagnostic radiology physician with a practice address in Tarzana, California, and NPI 1548200637, issued on Jun 7, 2006. Check the license (California G21655, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548200637
Name
Richard M. Gritz
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
G21655 CA
Self-reported in NPPES; status is on the state search
Practice location
18344 Clark Street, Tarzana, CA 91356
Phone
(818) 881-9811
Enumerated
Jun 7, 2006
Record last updated
Dec 2, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(818) 881-1638
Medicaid ID
00G216550 CA
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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Also registered at 18344 Clark Street

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

  1. Jack Chen, M.D.Diagnostic Radiology Physician1134169139
  2. Lawrence Chespak, M.D.Diagnostic Radiology Physician1437198058
  3. Leroy Clark, M.D.Diagnostic Radiology Physician1982643508
  4. Jerald Einziger, M.D.Diagnostic Radiology Physician1861448268
  5. Maged Mikhail, M.D.Vascular Surgery Physician1316978299
  6. Mark Rockoff, M.D.Diagnostic Radiology Physician1679513857

Verify Richard M. Gritz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G21655    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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No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.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 Tarzana →

Other diagnostic radiology physician records in California

  1. Jason Aaronson, MDLos Angeles, CA1023145463
  2. Brianna Abadie, M.D.Van Nuys, CA1861811291
  3. Kenric Aban, M.D.Oceanside, CA1336218023
  4. Pablo Abbona, MDLos Angeles, CA1689856239
  5. Rashed AbdelaalRiverside, CA1518726090
  6. Ahmed Abdelhalim, MDRiverside, CA1275162927
  7. Fatemeh Abdollahi Mofakham, MDLos Angeles, CA1659652915
  8. Bennett Abe, MDVisalia, CA1184731283
  9. Stephen Abedon, M.D.Daly City, CA1689628687
  10. Richard Abello, M.D.La Jolla, CA1245205996

Common questions

What is Richard M. Gritz, M.D.'s NPI number?

Richard M. Gritz, M.D.'s National Provider Identifier (NPI) is 1548200637, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard M. Gritz, M.D. located?

The NPPES record lists a practice address at 18344 Clark Street, Tarzana, CA, 91356. Phone: (818) 881-9811. Providers update this record themselves, so call before visiting.

How can I verify Richard M. Gritz, M.D.'s license?

NPPES lists California license number G21655, 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.

What is Richard M. Gritz, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.