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

Siamak Zamani, MD

Individual provider Internal Medicine Physician · NPI 1730245358

Siamak Zamani, MD is an Internal Medicine Physician in Rancho Santa Margarita, 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

29873 Santa Margarita Pkwy Ste 100
Rancho Santa Margarita, CA 92688-3626
Phone: (949) 589-9114
Fax: (949) 421-0763
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A93944 (CA)

Record details

NPI number1730245358
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 28, 2006
Last updated in NPPESJanuary 21, 2016

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