Maria C Quan, MD in Castro Valley, CA - Medicare Obstetrics/gynecology

Maria C Quan, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Castro Valley, California. She graduated from medical school in 1989 and has 37 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Vista Community Clinic, University Healthcare Alliance and her current practice location is 20642 John Dr, Castro Valley, California. You can reach out to her office (for appointments etc.) via phone at (510) 581-2559.

Maria C Quan is licensed to practice in California (license number C143703) 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 1043281405.

Contact Information

	Maria C Quan, MD
	20642 John Dr, Castro Valley, CA 94546-5103
	(510) 581-2559
	Not Available

Map and Direction

Physician's Profile

Full Name	Maria C Quan
Gender	Female
Speciality	Obstetrics/gynecology
Experience	37 Years
Location	20642 John Dr, Castro Valley, 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:

Maria C Quan graduated from medical school in 1989

NPI Data:

NPI Number: 1043281405
Provider Enumeration Date: 02/01/2006
Last Update Date: 06/13/2025

Medicare PECOS Information:

PECOS PAC ID: 4981595394
Enrollment ID: I20220131000894

Medical Identifiers

Medical identifiers for Maria C Quan such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1043281405	NPI	-	NPPES
8245193	Medicaid	WA

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207V00000X	Obstetrics & Gynecology	MD00037841 (Washington)	Secondary
207V00000X	Obstetrics & Gynecology	C143703 (California)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Vista Community Clinic	0042120156	37
University Healthcare Alliance	6305748799	320

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. Maria C Quan allows following entities to bill medicare on her behalf.

Entity Name	University Healthcare Alliance
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1760531198 PECOS PAC ID: 6305748799 Enrollment ID: O20040126000292

Entity Name	Magella Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1376640086 PECOS PAC ID: 7214827591 Enrollment ID: O20040318001666

Entity Name	Dhp Of California Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1679836084 PECOS PAC ID: 9234388745 Enrollment ID: O20120927000044

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. Maria C Quan 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
Maria C Quan, MD 1000 Vale Terrace Dr, Vista, CA 92084-5218 Ph: (760) 631-5000	Maria C Quan, MD 20642 John Dr, Castro Valley, CA 94546-5103 Ph: (510) 581-2559

Reviews and Comments

Obstetrics & Gynecology Doctors in Castro Valley, CA

Samuel J Santoro, DO Obstetrics & Gynecology Medicare: Not Enrolled in Medicare Practice Location: 20101 Lake Chabot Rd Fl 4, Castro Valley, CA 94546 Phone: 510-886-3400 Fax: 510-247-6493
Sonia Louise Badheka, D.O. Obstetrics & Gynecology Medicare: Accepting Medicare Assignments Practice Location: 20101 Lake Chabot Rd, 4th Floor, Castro Valley, CA 94546 Phone: 510-247-6330 Fax: 510-247-6331
Dr. Kalaokalani Chandler, M.D. Obstetrics & Gynecology Medicare: Accepting Medicare Assignments Practice Location: 20642 John Dr, Castro Valley, CA 94546 Phone: 510-785-5000 Fax: 510-974-2915
Dr. Suman Pinnamaneni Veeragandham, M.D. Obstetrics & Gynecology Medicare: Medicare Enrolled Practice Location: 20126 Stanton Ave Ste 201, Castro Valley, CA 94546 Phone: 510-581-2559 Fax: 510-581-5396
Baotram Nguyen, M.D. Obstetrics & Gynecology Medicare: Accepting Medicare Assignments Practice Location: 20101 Lake Chabot Rd Fl 4, Castro Valley, CA 94546 Phone: 510-886-3400
Dr. Jaya Karnani, MD Obstetrics & Gynecology Medicare: Accepting Medicare Assignments Practice Location: 20642 John Dr, Castro Valley, CA 94546 Phone: 510-785-5000

Maria C Quan, MD - Medicare Obstetrics/gynecology in Castro Valley, CA