Maria C Quan, MD in San Ramon, CA - Medicare Obstetrics/gynecology

Maria C Quan, MD is a medicare enrolled "Obstetrics & Gynecology" physician in San Ramon, 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 11030 Bollinger Canyon Rd Ste 200, San Ramon, California. You can reach out to her office (for appointments etc.) via phone at (925) 263-5583.

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
	11030 Bollinger Canyon Rd Ste 200, San Ramon, CA 94582-4826
	(925) 263-5583
	Not Available

Map and Direction

Physician's Profile

Full Name	Maria C Quan
Gender	Female
Speciality	Obstetrics/gynecology
Experience	37 Years
Location	11030 Bollinger Canyon Rd Ste 200, San Ramon, 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: 05/18/2026

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	C143703 (California)	Primary
207V00000X	Obstetrics & Gynecology	MD00037841 (Washington)	Secondary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Vista Community Clinic	0042120156	44
University Healthcare Alliance	6305748799	331

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 11030 Bollinger Canyon Rd Ste 200, San Ramon, CA 94582-4826 Ph: (925) 263-5583	Maria C Quan, MD 11030 Bollinger Canyon Rd Ste 200, San Ramon, CA 94582-4826 Ph: (925) 263-5583

Reviews and Comments

Obstetrics & Gynecology Doctors in San Ramon, CA

Dr. Helen E. Matthews, M.D. Obstetrics & Gynecology Medicare: Accepting Medicare Assignments Practice Location: 1081 Market Pl, Suite 500, San Ramon, CA 94583 Phone: 925-452-6644 Fax: 925-452-6685
Dr. Mark William Lee Lollar, MD Obstetrics & Gynecology Medicare: Not Enrolled in Medicare Practice Location: 5201 Norris Canyon Rd, #310, San Ramon, CA 94583 Phone: 925-327-1500 Fax: 925-327-1900
Dr. Sadaf Samizay, M.D. Obstetrics & Gynecology Medicare: Accepting Medicare Assignments Practice Location: 5601 Norris Canyon Rd, San Ramon, CA 94583 Phone: 925-587-4808
Dr. Renee Simone Hilliard, M.D. Obstetrics & Gynecology Medicare: Not Enrolled in Medicare Practice Location: 5201 Norris Canyon Rd, #310, San Ramon, CA 94583 Phone: 925-327-1500 Fax: 925-327-1900
Sara Pittenger Reid, MD Obstetrics & Gynecology Medicare: Not Enrolled in Medicare Practice Location: 100 Park Pl Ste 200, San Ramon, CA 94583 Phone: 925-867-1800
Dr. Joanne R. Vogel, M.D. Obstetrics & Gynecology Medicare: Accepting Medicare Assignments Practice Location: 11030 Bollinger Canyon Rd, Suite 250, San Ramon, CA 94582 Phone: 925-736-0110 Fax: 925-736-0120

Maria C Quan, MD - Medicare Obstetrics/gynecology in San Ramon, CA