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DR. ARASH REZAZADEH KALEBASTY M.D.
NPI 1205974755
Internal Medicine - Hematology & Oncology in Orange, CA

Active since February 04, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
101 THE CITY DR S BLDG 23, ORANGE, CA 92868(714) 456-8000 Get Directions Write a Review

NPPES record last updated: April 14, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 14, 2023, May 16, 2016, Feb 11, 2016 and 1 more (4 updates tracked since 2015).

About Dr. Arash Rezazadeh Kalebasty M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ARASH REZAZADEH KALEBASTY M.D. (NPI 1205974755) is an individual hematology & oncology provider in Orange, California, licensed in California (C167307) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1205974755
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. ARASH REZAZADEH KALEBASTYCredential: M.D.
Location Address101 THE CITY DR S BLDG 23Orange, CA 92868-3201
Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-2986
Phone(714) 456-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateFebruary 4, 2007
Last NPPES UpdateApril 14, 20234 updates tracked since enumeration
NPPES CertifiedApril 14, 2023
✔ NPI 1205974755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in CA · C167307✔ Licensed in KY · 40927
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
101 THE CITY DR S BLDG 23, Orange, CA 92868
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Other Identifiers 3

Other000000525606Anthem - Nicc
Medicaid200989910IN
Medicaid7100129580KY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Arash Rezazadeh Kalebasty M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830283373
PECOS Enrollment IDI20200206000248
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
934 services202 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
77 services65 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
61 services35 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
50 services50 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.4
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ARASH MAHAJERIN M.D.
Pediatrics (Pediatric Hematology-Oncology)
101 THE CITY DR S BLDG 23
ORANGE, CA 92868
Orange County (714) 456-8000
DR. ZAHRA SADAT HAMEDI MD
Internal Medicine (Hematology & Oncology)
101 THE CITY DR S BLDG 23
ORANGE, CA 92868
Orange County (714) 456-7890
JULIE SMITH NP
Internal Medicine (Hematology & Oncology)
101 THE CITY DR S BLDG 23
ORANGE, CA 92868
Orange County (714) 456-8000
HEEKYUNG KIM
Student in an Organized Health Care Education/Training Program
101 THE CITY DR S BLDG 23
ORANGE, CA 92868
Orange County (949) 819-5969
JINO PARK MD
Radiology (Radiation Oncology)
101 THE CITY DR S BLDG 23
ORANGE, CA 92868
Orange County (714) 456-5651
REGENTS OF THE UNIVERSITY OF CALIFORNIA
Clinical Medical Laboratory
101 THE CITY DR S BLDG 23
ORANGE, CA 92868
Orange County (714) 456-5889
DR. MELISSA LING MAO MD
Surgery (Surgical Oncology)
101 THE CITY DR S BLDG 23
ORANGE, CA 92868
Orange County (714) 456-8000
DR. MARK E LINSKEY MD
Neurological Surgery
101 THE CITY DR S BLDG 23
ORANGE, CA 92868
Orange County (714) 456-8000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Arash Rezazadeh Kalebasty's NPI number?

The NPI number for Arash Rezazadeh Kalebasty is 1205974755. It was assigned to this individual provider in the NPPES registry on February 4, 2007.

Where is Arash Rezazadeh Kalebasty located?

Arash Rezazadeh Kalebasty practices at 101 The City Dr S Bldg 23, Orange, CA 92868. The listed phone number is (714) 456-8000.

What is Arash Rezazadeh Kalebasty's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Arash Rezazadeh Kalebasty enrolled in Medicare?

Yes. Arash Rezazadeh Kalebasty is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Arash Rezazadeh Kalebasty was last updated on April 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.