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

Individual provider Internal Medicine Physician · NPI 1407892490

Dr. Siamak N Nabili, MD is an Internal Medicine in Irvine, California. Qualified in 2001, 25 years ago. Practices with Nili N. Alai, MD, Inc, a 3-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
25
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

11 Technology Dr
Irvine, CA 92618-2302
Phone: (855) 206-6764
Fax: (949) 923-3575
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A83984 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A83984 (CA)

Record details

NPI number1407892490
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2006
Last updated in NPPESAugust 5, 2025
Certification dateAugust 5, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Nili N. Alai, Md, Inc. — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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