What is Stuart Chalfin's NPI number?

Stuart Chalfin's National Provider Identifier (NPI) is 1699871608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Stuart Chalfin's specialty?

Stuart Chalfin is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).

Where is Stuart Chalfin located?

Stuart Chalfin's practice location on file with NPPES is 3791 Katella Ave, Los Alamitos, CA 90720-3105.

What is Stuart Chalfin's phone number?

The practice phone number listed in the NPPES registry for Stuart Chalfin is (562) 598-6166.

Is Stuart Chalfin's NPI active?

Yes — Stuart Chalfin's NPI (1699871608) is active in the NPPES registry as of the last update on 2008-03-19.

IndividualActive

Stuart Chalfin, M.D.

NPI 1699871608 · Urology Physician · Los Alamitos, CA

Stuart Chalfin, M.D. is a Urology Physician provider in Los Alamitos, CA (NPI 1699871608).

Provider details

NPI number: 1699871608
Entity type: Individual
Primary specialty: Urology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: G34287 (CA)

Specialties & taxonomies

Urology PhysicianPrimary208800000XLicense G34287 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 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

3791 Katella Ave

Suite 200

Los Alamitos, CA 90720-3105

Phone: (562) 598-6166

Fax: (562) 799-8210

Street-level locationGet directions

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Mailing address