NPPES file of Aug 9, 2026

Peter Herwitt, M.D.

Diagnostic Radiology Physician · Palos Verdes Estates, CA

Peter Herwitt, M.D. is a diagnostic radiology physician with a practice address in Palos Verdes Estates, California, and NPI 1023223757, issued on May 14, 2007. Check the license (California G23669, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023223757
Name
Peter Herwitt
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
G23669 CA
Self-reported in NPPES; status is on the state search
Practice location
3105 Paseo Del Campo, Palos Verdes Estates, CA 90274
Phone
(310) 339-1514
Enumerated
May 14, 2007
Record last updated
Oct 27, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(310) 375-8176
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.
Download card Updates feed

Verify Peter Herwitt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G23669
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

1 diagnostic radiology physician records list a practice address in Palos Verdes Estates

They are 1 of the 102 NPPES records with a practice address in Palos Verdes Estates, and 4,500 diagnostic radiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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 Peter Herwitt, M.D.'s NPI number?

Peter Herwitt, M.D.'s National Provider Identifier (NPI) is 1023223757, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Peter Herwitt, M.D. located?

The NPPES record lists a practice address at 3105 Paseo Del Campo, Palos Verdes Estates, CA, 90274. Phone: (310) 339-1514. Providers update this record themselves, so call before visiting.

How can I verify Peter Herwitt, M.D.'s license?

NPPES lists California license number G23669, 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. 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.