NPPES file of Aug 9, 2026

Wilbur Caldwell Sims, M.D.

Diagnostic Radiology Physician · Rancho Cucamonga, CA

Wilbur Caldwell Sims, M.D. is a diagnostic radiology physician with a practice address in Rancho Cucamonga, California, and NPI 1346228616, issued on Jan 5, 2006. Check the license (California G14151, 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
1346228616
Name
Wilbur Caldwell Sims
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
G14151 CA
Self-reported in NPPES; status is on the state search
Practice location
8599 Haven Ave., Rancho Cucamonga, CA 91730
Phone
(909) 620-8180
Enumerated
Jan 5, 2006
Record last updated
Mar 27, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(909) 919-7288
Medicaid ID
00G141510 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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8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →

Also registered at 8599 Haven Ave.

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

  1. Alfonso Carrillo, M.D.Diagnostic Radiology Physician1316906894
  2. Steven Cobb, M.D.Diagnostic Radiology Physician1770542110
  3. Thomas Lin, M.D.Diagnostic Radiology Physician1861698151
  4. Van Khanh NguyenDiagnostic Radiology Physician1902078942
  5. Fred Shu, MDDiagnostic Radiology Physician1568435717
  6. Thuyen Tran, MDDiagnostic Radiology Physician1326235433

Verify Wilbur Caldwell Sims in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G14151    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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Wilbur Caldwell Sims among 4,500 diagnostic radiology physician records in California

Wilbur Caldwell Sims, 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 not. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 52% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2012 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,500 in California → Every provider in Rancho Cucamonga → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Joel Block, MDRancho Cucamongo, CA 917301225098189
  2. Alfonso Carrillo, M.D.Rancho Cucamonga, CA 917301316906894
  3. Steven Cobb, M.D.Rancho Cucamonga, CA 917301770542110
  4. Curtis Handler, M.D.Rancho Cucamongo, CA 917301649255290
  5. Thomas Lin, M.D.Rancho Cucamonga, CA 917301861698151
  6. Van Khanh NguyenRancho Cucamonga, CA 917301902078942
  7. Sherman Rhee, M.D.Rancho Cucamonga, CA 917301568481042
  8. Fred Shu, MDRancho Cucamonga, CA 917301568435717

Common questions

What is Wilbur Caldwell Sims, M.D.'s NPI number?

Wilbur Caldwell Sims, M.D.'s National Provider Identifier (NPI) is 1346228616, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Wilbur Caldwell Sims, M.D. located?

The NPPES record lists a practice address at 8599 Haven Ave., Rancho Cucamonga, CA, 91730. Phone: (909) 620-8180. Providers update this record themselves, so call before visiting.

How can I verify Wilbur Caldwell Sims, M.D.'s license?

NPPES lists California license number G14151, 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.

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.