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

Individual provider Hematology & Oncology Physician · NPI 1205974755

Dr. Arash Rezazadeh Kalebasty, MD is a Hematology/Oncology in Orange, California. Qualified in 1989, 37 years ago. Practices with Uc Regents, a 306-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Kentucky.

Years since qualifying
37
Licensed in
CA, KY
In the registry since
2007
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

101 The City Dr S Bldg 23
Orange, CA 92868-3201
Phone: (714) 456-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence C167307 (CA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 40927 (KY)

Record details

NPI number1205974755
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 4, 2007
Last updated in NPPESApril 14, 2023
Certification dateApril 14, 2023

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Uc Regents — 306 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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