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

Dr. Alan Marcus, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1275631657

Dr. Alan Marcus, MD is an Endocrinology, Diabetes & Metabolism Physician in Laguna Hills, 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.

See every abbreviation used in this directory →

Practice location Address checks out

24422 Avenida De La Carlota Ste 375
Laguna Hills, CA 92653-3668
Phone: (949) 770-4177
Fax: (949) 472-0305
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence A39696 (CA)

Record details

NPI number1275631657
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESNovember 14, 2025
Certification dateNovember 14, 2025

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