NPPES file of Aug 9, 2026

John C. Prince, M.D.

Urology Physician · Loma Linda, CA

John C. Prince, M.D. is a urology physician with a practice address in Loma Linda, California, and NPI 1457418105, issued on Jan 2, 2007. Check the license (California A21178, 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
1457418105
Name
John C. Prince
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License number
A21178 CA
Self-reported in NPPES; status is on the state search
Practice location
11370 Anderson St, Loma Linda, CA 92354
Phone
(909) 558-4830
Enumerated
Jan 2, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 11370 Anderson St

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

  1. Shamel Abd-Allah, M.D.Pediatric Critical Care Medicine Physician1407879257
  2. Amir Abdi Pour, MDNephrology Physician1912187477
  3. Carine AbinaderWomen's Health Nurse Practitioner1174345771
  4. Ray Abinader, M.D.Obstetrics & Gynecology Physician1770901548
  5. Ahmed Abou-Zamzam, M.D.Vascular Surgery Physician1558306795
  6. Borhaan Ahmad, M.D.Pediatrics Physician1740203595

Verify John C. Prince in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A21178
    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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99% fewer Medicare Part D claims than the average urology physician in 2024

11 Medicare Part D claims, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Prince11
  2. Specialty average1,340

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.

John C. Prince among 1,524 urology physician records in California

John C. Prince, M.D. is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 40% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in California

There are 1,524 urology physician records in California.

The 8 urology physician records with the nearest ZIP codes

  1. Dalton Baldwin, M.D.Loma Linda, CA 923541205927837
  2. Gary Barker, M.D.Loma Linda, CA 923541629178587
  3. David Benjamin, M.D.Loma Linda, CA 923541407941081
  4. Minh-Hang Chau, M.D.Loma Linda, CA 923541912007816
  5. Henry Hadley, M.D.Loma Linda, CA 923541861592735
  6. Noel Hui, M.D.Loma Linda, CA 923541952345977
  7. Forrest Jellison, M.D.Loma Linda, CA 923541508073511
  8. Edmund Ko, M.D.Loma Linda, CA 923541023081817

Common questions

What is John C. Prince, M.D.'s NPI number?

John C. Prince, M.D.'s National Provider Identifier (NPI) is 1457418105, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John C. Prince, M.D. located?

The NPPES record lists a practice address at 11370 Anderson St, Loma Linda, CA, 92354. Phone: (909) 558-4830. Providers update this record themselves, so call before visiting.

How can I verify John C. Prince, M.D.'s license?

NPPES lists California license number A21178, 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 John C. Prince, M.D. prescribe under Medicare Part D?

In 2024, John C. Prince, M.D. had 11 Medicare Part D claims; the average among urology physician prescribers was 1,340. 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.