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Willie Citrin, MD
NPI 1558321497 · Internal Medicine Physician · Riverside, CA
Willie Citrin, MD is a Internal Medicine Physician provider in Riverside, CA (NPI 1558321497).
Provider details
- NPI number
- 1558321497
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 00G33413 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3975 Jackson St Suite 203
Riverside, CA 92503-3947
Phone: (951) 689-6200
Fax: (951) 689-0351
Street-level locationGet directions
Mailing address
3975 Jackson St Suite 203
Riverside, CA 92503-3947
Registry dates
- Enumerated
- 2006-03-24
- Last updated
- 2008-05-27
Frequently asked questions
- What is Willie Citrin's NPI number?
- Willie Citrin's National Provider Identifier (NPI) is 1558321497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Willie Citrin's specialty?
- Willie Citrin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Willie Citrin located?
- Willie Citrin's practice location on file with NPPES is 3975 Jackson St Suite 203, Riverside, CA 92503-3947.
- What is Willie Citrin's phone number?
- The practice phone number listed in the NPPES registry for Willie Citrin is (951) 689-6200.
- Is Willie Citrin's NPI active?
- Yes — Willie Citrin's NPI (1558321497) is active in the NPPES registry as of the last update on 2008-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.