NPPES file of Aug 9, 2026

William Claude Buss, MD

Diagnostic Radiology Physician · San Bernardino, CA

William Claude Buss, MD is a diagnostic radiology physician with a practice address in San Bernardino, California, and NPI 1215936778, issued on Jul 18, 2005. Check the license (California 00G160530, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215936778
Name
William Claude Buss
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
00G160530 CA
Self-reported in NPPES; status is on the state search
Practice location
399 E 21St St, San Bernardino, CA 92404
Phone
(909) 882-2266
Enumerated
Jul 18, 2005
Record last updated
Jul 11, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(909) 881-7593
Medicaid ID
00G160530 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 399 E 21St St

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

  1. Wayne Boyd, MDDiagnostic Radiology Physician1871591727
  2. Adam Coen, M.D.Diagnostic Radiology Physician1083943260
  3. Young Kwon, M.D.Radiation Oncology Physician1699773275
  4. Joan Murad-Haid, DODiagnostic Radiology Physician1477645489
  5. Eric Tsao, MDDiagnostic Radiology Physician1356308795
  6. Abhay Vaidya, M.D.Diagnostic Radiology Physician1669405692

Verify William Claude Buss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 00G160530
    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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71% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

15 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. William Buss15
  2. Specialty average51

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

William Claude Buss among 4,500 diagnostic radiology physician records in California

William Claude Buss, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2011 · 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. Shahnawaz Ansari, MDSan Bernardino, CA 924041417324633
  2. Wayne Boyd, MDSan Bernardino, CA 924041871591727
  3. Adam Coen, M.D.San Bernardino, CA 924041083943260
  4. Joan Murad-Haid, DOSan Bernardino, CA 924041477645489
  5. Eugene Stecz, MDSan Bernadino, CA 924041346240819
  6. Eric Tsao, MDSan Bernardino, CA 924041356308795
  7. Abhay Vaidya, M.D.San Bernardino, CA 924041669405692
  8. Tatiana Voci, MDSan Bernardino, CA 924041760510879

Common questions

What is William Claude Buss, MD's NPI number?

William Claude Buss, MD's National Provider Identifier (NPI) is 1215936778, issued on Jul 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Claude Buss, MD located?

The NPPES record lists a practice address at 399 E 21St St, San Bernardino, CA, 92404. Phone: (909) 882-2266. Providers update this record themselves, so call before visiting.

How can I verify William Claude Buss, MD's license?

NPPES lists California license number 00G160530, 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.

How much does William Claude Buss, MD prescribe under Medicare Part D?

In 2024, William Claude Buss, MD had 15 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.

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.