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

Nathan Alyesh

Individual provider Internal Medicine Physician · NPI 1417362856

Nathan Alyesh is an Internal Medicine in Tarzana, California. Qualified in 2012, 14 years ago. Practices with Cedars-Sinai Medical Care Foundation, a 1,696-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
14
Licensed in
CA
In the registry since
2014

Practice location Address checks out

18321 Clark St
Tarzana, CA 91356-3501
Phone: (818) 881-0800
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 A146154 (CA)

Record details

NPI number1417362856
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJune 24, 2014
Last updated in NPPESMay 9, 2022
Certification dateMay 9, 2022
Mailing addressPo Box 16041, Encino, CA 91416-6041

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Cedars-Sinai Medical Care Foundation — 1696 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Tarzana