Dr Arash Rezazadeh Kalebasty, MD - Medicare Hematology/oncology in Orange, CA

Dr Arash Rezazadeh Kalebasty, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Orange, California. He graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Uc Regents and his current practice location is 101 The City Dr S Bldg 23, Orange, California. You can reach out to his office (for appointments etc.) via phone at (714) 456-8000.

Dr Arash Rezazadeh Kalebasty is licensed to practice in California (license number C167307) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1205974755.

Contact Information

Dr Arash Rezazadeh Kalebasty, MD
101 The City Dr S Bldg 23,
Orange, CA 92868-3201
(714) 456-8000
Not Available



Physician's Profile

Full NameDr Arash Rezazadeh Kalebasty
GenderMale
SpecialityHematology/oncology
Experience35 Years
Location101 The City Dr S Bldg 23, Orange, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Arash Rezazadeh Kalebasty graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1205974755
  • Provider Enumeration Date: 02/04/2007
  • Last Update Date: 04/14/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9830283373
  • Enrollment ID: I20200206000248

Medical Identifiers

Medical identifiers for Dr Arash Rezazadeh Kalebasty such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205974755NPI-NPPES
000000525606OtherANTHEM - NICC
200989910MedicaidIN
7100129580MedicaidKY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 40927 (Kentucky)Secondary
207RH0003XInternal Medicine - Hematology & Oncology C167307 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of California Irvine Medical CenterOrange, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Uc Regents7416869516205

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Arash Rezazadeh Kalebasty allows following entities to bill medicare on his behalf.
Entity NameUc Regents
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760430847
PECOS PAC ID: 7416869516
Enrollment ID: O20031118000906

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Arash Rezazadeh Kalebasty is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Arash Rezazadeh Kalebasty, MD
200 S Manchester Ave Ste 300,
Orange, CA 92868-3219

Ph: (714) 456-2986
Dr Arash Rezazadeh Kalebasty, MD
101 The City Dr S Bldg 23,
Orange, CA 92868-3201

Ph: (714) 456-8000

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Internal Medicine Doctors in Orange, CA

Michael Cheng, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-7110    
Harry Nguyen, D.O.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-7002    
Millie Arora,
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, City Tower, Suite 400, Orange, CA 92868
Phone: 714-456-5691    Fax: 714-456-8874
Dr. Sarah Jeanette Ettinger, M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-5135    
Dr. Antonio Halais Frangieh, MD, MPH
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-7890    
Dr. Andy Yen-tang Lee, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-7890    
Dr. Jesse John Goitia Jr., M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-880-7812    

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