Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Stuart Alexander Chalfin, MD

Individual provider Urology Physician · NPI 1699871608

Dr. Stuart Alexander Chalfin, MD is an Urology Physician in Los Alamitos, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3791 Katella Ave Ste 200
Los Alamitos, CA 90720-3105
Phone: (562) 598-6166
Fax: (562) 799-8210
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence G34287 (CA)

Record details

NPI number1699871608
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 16, 2006
Last updated in NPPESMarch 19, 2008
Mailing address3791 Katella Ave, Suite 200, Los Alamitos, CA 90720-3105

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