NPPES file of Aug 9, 2026

Robert L. Wirth, M.D.

Diagnostic Radiology Physician · Novato, CA

Robert L. Wirth, M.D. is a diagnostic radiology physician with a practice address in Novato, California, and NPI 1396786547, issued on Jun 9, 2006. Check the license (California G55313, 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
1396786547
Name
Robert L. Wirth
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
G55313 CA
Self-reported in NPPES; status is on the state search
Practice location
180 Rowland Way, Novato, CA 94945
Phone
(415) 209-1500
Enumerated
Jun 9, 2006
Record last updated
Sep 23, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(415) 209-1501
Medicaid ID
00G553130 CA
Medicare enrollment
Enrolled (PECOS I20060114000115); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 1984
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 180 Rowland Way

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

  1. Michael Abbo, MDEmergency Medicine Physician1205819042
  2. Jacob Adams, DOCritical Care Medicine (Internal Medicine) Physician1558595090
  3. Daniel Ames, M.D.Internal Medicine Physician1902162456
  4. Richard Bodony, MDEmergency Medicine Physician1225011422
  5. William Budge, M.D.Cardiovascular Disease Physician1326137464
  6. Crystal Chang, M.D.Diagnostic Radiology Physician1518253012

Verify Robert L. Wirth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G55313    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 one group practice

  1. Prima Medical FoundationGreenbrae, CA

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

Robert L. Wirth among 4,500 diagnostic radiology physician records in California

Robert L. Wirth, 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1984 · median 2004 among the 3,130 with a school on file
  • Record last updated2020 · 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 Novato → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Crystal Chang, M.D.Novato, CA 949451518253012
  2. Anthony Gordon, MDNovato, CA 949451912968041
  3. Nicholas Hoehnle, MDNovato, CA 949451619438538
  4. Kevin Junus, DONovato, CA 949451023503992
  5. Ari Kane, MDNovato, CA 949451285924290
  6. Mason Tippy, MDNovato, CA 949451417576034
  7. Jean-Pierre Phancao, M.D.Novato, CA 949471215054416
  8. Michael Gothelf, MDMill Valley, CA 949411932256468

Common questions

What is Robert L. Wirth, M.D.'s NPI number?

Robert L. Wirth, M.D.'s National Provider Identifier (NPI) is 1396786547, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert L. Wirth, M.D. located?

The NPPES record lists a practice address at 180 Rowland Way, Novato, CA, 94945. Phone: (415) 209-1500. Providers update this record themselves, so call before visiting.

How can I verify Robert L. Wirth, M.D.'s license?

NPPES lists California license number G55313, 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.