Dr Jelena M Kao, MD in San Mateo, CA - Medicare Medical Oncology

Dr Jelena M Kao, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in San Mateo, California. She went to Stanford University School Of Medicine and graduated in 2005 and has 20 years of diverse experience with area of expertise as Medical Oncology. She is a member of the group practice Ucsf Medical Group Business Services, John Muir Physician Network and her current practice location is 218 De Anza Blvd, San Mateo, California. You can reach out to her office (for appointments etc.) via phone at (650) 341-9131.

Dr Jelena M Kao is licensed to practice in California (license number A83980) 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 1932242062.

Contact Information

	Dr Jelena M Kao, MD
	218 De Anza Blvd, San Mateo, CA 94402-3913
	(650) 341-9131
	(650) 341-9135

Map and Direction

Physician's Profile

Full Name	Dr Jelena M Kao
Gender	Female
Speciality	Medical Oncology
Experience	20 Years
Location	218 De Anza Blvd, San Mateo, 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 Jelena M Kao attended and graduated from Stanford University School Of Medicine in 2005

NPI Data:

NPI Number: 1932242062
Provider Enumeration Date: 02/15/2007
Last Update Date: 04/29/2025

Medicare PECOS Information:

PECOS PAC ID: 5698937571
Enrollment ID: I20120911000349

Medical Identifiers

Medical identifiers for Dr Jelena M Kao such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1932242062	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RH0003X	Internal Medicine - Hematology & Oncology	MD-24166 (Hawaii)	Secondary
207RH0003X	Internal Medicine - Hematology & Oncology	A83980 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
John Muir Medical Center - Concord Campus	Concord, CA	Hospital
John Muir Medical Center - Walnut Creek Campus	Walnut creek, CA	Hospital
Peninsula Medical Center	Burlingame, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Ucsf Medical Group Business Services	3779497870	1263
John Muir Physician Network	6608789813	466

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 Jelena M Kao allows following entities to bill medicare on her behalf.

Entity Name	Regents Of The University Of California
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1760552343 PECOS PAC ID: 4284547274 Enrollment ID: O20031106000389

Entity Name	University Of California San Francisco
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1861578973 PECOS PAC ID: 4486567229 Enrollment ID: O20031212000897

Entity Name	John Muir Physician Network
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1841407665 PECOS PAC ID: 6608789813 Enrollment ID: O20031226000143

Entity Name	Ucsf Medical Group Business Services
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1477624104 PECOS PAC ID: 3779497870 Enrollment ID: O20040622001513

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 Jelena M Kao 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 Jelena M Kao, MD 218 De Anza Blvd, San Mateo, CA 94402-3913 Ph: (650) 341-9131	Dr Jelena M Kao, MD 218 De Anza Blvd, San Mateo, CA 94402-3913 Ph: (650) 341-9131

Reviews and Comments

Internal Medicine Doctors in San Mateo, CA

Kent Marc-josef Adler, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 218 De Anza Blvd, San Mateo, CA 94402 Phone: 650-341-9131 Fax: 650-341-9135
Stanley Cheung-kit Hui, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 222 W 39th Ave, San Mateo, CA 94403 Phone: 650-573-2222
Dr. Daniel Rengstorff, M.D. Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 218 De Anza Blvd, San Mateo, CA 94402 Phone: 650-341-9131
Lisa Gooze, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 222 W 39th Ave, San Mateo, CA 94403 Phone: 650-573-2222
Vivian Levy, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 222 W 39th Ave, San Mateo, CA 94403 Phone: 650-573-2222
Dr. Tina Au, Hematology & Oncology Medicare: Medicare Enrolled Practice Location: 222 W 39th Ave, San Mateo, CA 94403 Phone: 650-573-3702
Julian Hardy Mclain, MD Hematology & Oncology Medicare: Accepting Medicare Assignments Practice Location: 50 S San Mateo Dr, San Mateo, CA 94401 Phone: 650-696-5420

Dr Jelena M Kao, MD - Medicare Medical Oncology in San Mateo, CA