Willie Citrin, MD
Internal Medicine Physician · Riverside, CA
Willie Citrin, MD is an internal medicine physician with a practice address in Riverside, California, and NPI 1558321497, issued on Mar 24, 2006. Check the license (California 00G33413, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Willie Citrin
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 00G33413 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3975 Jackson St Suite 203, Riverside, CA 92503
- Phone
- (951) 689-6200
- Enumerated
- Mar 24, 2006
- Record last updated
- May 27, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (951) 689-0351
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Willie Citrin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 00G33413Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Willie Citrin among 17,696 internal medicine physician records in California
Willie Citrin, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Riverside
They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in Riverside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jennifer Chang, M.D.Riverside, CA 925031831364991
- Roger Cheng, M.D.Riverside, CA 925031265458301
- Fady Fayad, M.D.Riverside, CA 925031205862612
- Bahaa Girgis, M.D.Riverside, CA 925031154519213
- Liwen Han, MDRiverside, CA 925031205030459
- Naila Khan, D.O.Riverside, CA 925031407303324
- Ahmed Kheiter, MDRiverside, CA 925031194896043
- Amy Lee, MD, FACE, FACGSRiverside, CA 925031639135098
Common questions
What is Willie Citrin, MD's NPI number?
Willie Citrin, MD's National Provider Identifier (NPI) is 1558321497, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Willie Citrin, MD located?
The NPPES record lists a practice address at 3975 Jackson St Suite 203, Riverside, CA, 92503. Phone: (951) 689-6200. Providers update this record themselves, so call before visiting.
How can I verify Willie Citrin, MD's license?
NPPES lists California license number 00G33413, 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.