Dr Rena Desai Callahan, MD in Valencia, CA - Medicare Hematology/oncology

Dr Rena Desai Callahan, MD is a medicare enrolled "Internal Medicine" physician in Valencia, California. She went to Perelman School Of Med At The University Of Pennsylvania and graduated in 2004 and has 22 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice The Regents Of The University Of California and her current practice location is 27235 Tourney Rd Ste 2400, Valencia, California. You can reach out to her office (for appointments etc.) via phone at (661) 255-5350.

Dr Rena Desai Callahan is licensed to practice in California (license number A94238) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1487856779.

Contact Information

	Dr Rena Desai Callahan, MD
	27235 Tourney Rd Ste 2400, Valencia, CA 91355-5905
	(661) 255-5350
	(661) 255-9907

Map and Direction

Physician's Profile

Full Name	Dr Rena Desai Callahan
Gender	Female
Speciality	Hematology/oncology
Experience	22 Years
Location	27235 Tourney Rd Ste 2400, Valencia, California
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Rena Desai Callahan attended and graduated from Perelman School Of Med At The University Of Pennsylvania in 2004

NPI Data:

NPI Number: 1487856779
Provider Enumeration Date: 05/31/2007
Last Update Date: 01/23/2020

Medicare PECOS Information:

PECOS PAC ID: 6002906062
Enrollment ID: I20071214000493

Medical Identifiers

Medical identifiers for Dr Rena Desai Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1487856779	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RH0000X	Internal Medicine - Hematology	A94238 (California)	Secondary
207RX0202X	Internal Medicine - Medical Oncology	A94238 (California)	Secondary
2086X0206X	Surgery - Surgical Oncology	A94238 (California)	Secondary
207R00000X	Internal Medicine	A94238 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Ronald Reagan Ucla Medical Center	Los angeles, CA	Hospital
Santa Monica - Ucla Med Ctr & Orthopaedic Hospital	Santa monica, CA	Hospital
Henry Mayo Newhall Hospital	Valencia, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
The Regents Of The University Of California	1355248584	1333

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 Rena Desai Callahan allows following entities to bill medicare on her behalf.

Entity Name	The Regents Of The University Of California
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1235107566 PECOS PAC ID: 1355248584 Enrollment ID: O20031223000439

Entity Name	The Regents Of The University Of California
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1902861297 PECOS PAC ID: 8921076795 Enrollment ID: O20040920000697

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 Rena Desai Callahan 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 Address	Practice Location Address
Dr Rena Desai Callahan, MD 5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631 Ph: () -	Dr Rena Desai Callahan, MD 27235 Tourney Rd Ste 2400, Valencia, CA 91355-5905 Ph: (661) 255-5350

Reviews and Comments

Internal Medicine Doctors in Valencia, CA

Mostafa Tabassomi, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 23838 Valencia Blvd Ste 304, Valencia, CA 91355 Phone: 661-430-9030 Fax: 661-430-9020
Dr. Gene L Tran, D.O. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 23803 Mcbean Pkwy, Valencia, CA 91355 Phone: 661-481-2400
Dr. Robert Kozlowski, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 25751 Mcbean Pkwy Ste 210, Valencia, CA 91355 Phone: 661-284-3100 Fax: 661-290-3310
Dr. Douglas R Gadowski, MD Internal Medicine Medicare: Medicare Enrolled Practice Location: 25775 Mcbean Pkwy, Ste 105, Valencia, CA 91355 Phone: 661-255-2410 Fax: 661-255-8671
Sittiporn Bencharit, M.D. Internal Medicine Medicare: Medicare Enrolled Practice Location: 25775 Mcbean Pkwy, Suite 115, Valencia, CA 91355 Phone: 661-255-2420 Fax: 661-259-0552
David Elliott Krieger, M.D.,PH.D. Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 25775 Mcbean Pkwy, Suite 115, Valencia, CA 91355 Phone: 661-255-2420 Fax: 661-259-5741
Brian Nan Peng, Internal Medicine Medicare: May Accept Medicare Assignments Practice Location: 25775 Mcbean Pkwy Ste 202, Valencia, CA 91355 Phone: 661-753-5464 Fax: 661-753-5466

Dr Rena Desai Callahan, MD - Medicare Hematology/oncology in Valencia, CA