Dr Warren Chang, MD in Daly City, CA

Dr Warren Chang, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Daly City, California. He graduated from medical school in 1998 and has 26 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice West Coast Kidney, North East Medical Services and his current practice location is 1498 Southgate Ave, Suite 102, Daly City, California. You can reach out to his office (for appointments etc.) via phone at (650) 755-4492.

Dr Warren Chang is licensed to practice in California (license number AG9500) 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 1083674550.

Contact Information

	Dr Warren Chang, MD
	1498 Southgate Ave, Suite 102, Daly City, CA 94015-4015
	(650) 755-4492
	(650) 755-4466

Map and Direction

Physician's Profile

Full Name	Dr Warren Chang
Gender	Male
Speciality	Nephrology
Experience	26 Years
Location	1498 Southgate Ave, Daly City, California
Accepts Medicare Assignments	Yes. 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 Warren Chang graduated from medical school in 1998

NPI Data:

NPI Number: 1083674550
Provider Enumeration Date: 03/27/2006
Last Update Date: 08/26/2019

Medicare PECOS Information:

PECOS PAC ID: 1759323595
Enrollment ID: I20050523000831

Medical Identifiers

Medical identifiers for Dr Warren Chang such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1083674550	NPI	-	NPPES
00A695001	Other		BLUE SHIELD
00A695000	Medicaid	CA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RN0300X	Internal Medicine - Nephrology	AG9500 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Westlake Daly City Dialysis Center	Daly city, CA	Dialysis facility
Daly City Dialysis Center	Daly city, CA	Dialysis facility
South San Francisco Home Training	South san francisco, CA	Dialysis facility
Seton Medical Center	Daly city, CA	Hospital
St Mary's Medical Center	San francisco, CA	Hospital
Peninsula Medical Center	Burlingame, CA	Hospital
California Pacific Medical Center- Van Ness Campus	San francisco, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
West Coast Kidney	1759700149	49
North East Medical Services	4284520529	108

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 Warren Chang allows following entities to bill medicare on his behalf.

Entity Name	North East Medical Services
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1093992844 PECOS PAC ID: 4284520529 Enrollment ID: O20040224001157

Entity Name	West Bay Nephrology Associates
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1336117829 PECOS PAC ID: 7012943947 Enrollment ID: O20050712001159

Entity Name	Dignity Health
Entity Type	Part B Supplier - Hospital Department(s)
Entity Identifiers	NPI Number: 1780727792 PECOS PAC ID: 2062320559 Enrollment ID: O20080524000048

Entity Name	West Coast Kidney
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1952914681 PECOS PAC ID: 1759700149 Enrollment ID: O20201005001363

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 Warren Chang 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 Warren Chang, MD 2149 E Warner Rd Ste 102, Tempe, AZ 85284-3495 Ph: (480) 393-0309	Dr Warren Chang, MD 1498 Southgate Ave, Suite 102, Daly City, CA 94015-4015 Ph: (650) 755-4492

Reviews and Comments

Internal Medicine Doctors in Daly City, CA

Hui Ming Yang, MD Nephrology Medicare: May Accept Medicare Assignments Practice Location: 1900 Sullivan Ave, Lower Level, Daly City, CA 94015 Phone: 415-680-4135
Dr. Christian Cosca Cruz, MD Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1498 Southgate Ave, Suite 102, Daly City, CA 94015 Phone: 650-755-4490 Fax: 650-755-2920
Scott T. Tsunehara, MD Nephrology Medicare: Medicare Enrolled Practice Location: 395 Hickey Blvd, Daly City, CA 94015 Phone: 650-742-2000
Grace Lising Huang, Nephrology Medicare: Accepting Medicare Assignments Practice Location: 901 Campus Dr Ste 111, Daly City, CA 94015 Phone: 650-652-8500
Dr. Robert Ra Nien Tseng, MD Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1498 Southgate Ave, Ste 102, Daly City, CA 94015 Phone: 650-755-4492 Fax: 650-755-4466
Mark M. Tsuchiyose, M.D. Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1850 Sullivan Avenue #520, Daly City, CA 94015 Phone: 650-756-5000 Fax: 650-756-5903
Dr. Carlo Jericho S Magtibay, MD Nephrology Medicare: Accepting Medicare Assignments Practice Location: 1900 Sullivan Ave, Lower Level, Daly City, CA 94015 Phone: 415-680-4135

Dr Warren Chang, MD - Medicare Nephrology in Daly City, CA