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

Individual provider Internal Medicine Physician · NPI 1992018642

Dr. Siamak Saadat, MD is a Hematology/Oncology in Colton, California. Qualified in 2008, 18 years ago. Practices with City of Hope Medical Foundation, a 959-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Licensed in
CA
In the registry since
2010
Specialties on file
3
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

400 N Pepper Ave
Colton, CA 92324-1801
Phone: (909) 580-2775
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 7455 Birkdale Dr, Newark, CA 94560-1509 — (510) 386-9896

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence A113413 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A113413 (CA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence A113413 (CA)

Record details

NPI number1992018642
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 23, 2010
Last updated in NPPESNovember 5, 2020
Certification dateNovember 5, 2020
Mailing addressPo Box 512185, Los Angeles, CA 90051-0185

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice City Of Hope Medical Foundation — 959 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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