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

Maria C Quan, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Vista, California. She graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Vista Community Clinic and her current practice location is 1000 Vale Terrace Dr, Vista, California. You can reach out to her office (for appointments etc.) via phone at (760) 631-5000.

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
1000 Vale Terrace Dr,
Vista, CA 92084-5218
(760) 631-5000
(760) 414-3702

Map and Direction




Physician's Profile

Full NameMaria C Quan
GenderFemale
SpecialityObstetrics/gynecology
Experience35 Years
Location1000 Vale Terrace Dr, Vista, California
Accepts Medicare AssignmentsYes. 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: 07/01/2024
  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.
IdentifierTypeStateIssuer
1043281405NPI-NPPES
8245193MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology MD00037841 (Washington)Secondary
207V00000XObstetrics & Gynecology C143703 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Vista Community Clinic004212015620

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 NameMagella Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376640086
PECOS PAC ID: 7214827591
Enrollment ID: O20040318001666
Entity NameDhp Of California Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI 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 AddressPractice Location Address
Maria C Quan, MD
1000 Vale Terrace Dr,
Vista, CA 92084-5218

Ph: (760) 631-5000
Maria C Quan, MD
1000 Vale Terrace Dr,
Vista, CA 92084-5218

Ph: (760) 631-5000

Reviews and Comments


Obstetrics & Gynecology Doctors in Vista, CA

John M Bennett, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 145 Thunder Dr, Vista, CA 92083
Phone: 760-941-1440    Fax: 760-630-5477
Christine Z Brody, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2067 W Vista Way, Vista, CA 92083
Phone: 760-758-3000    Fax: 760-758-5943
Christos Andreas Karanikkis, D.O
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Vale Terrace Dr, Vista, CA 92084
Phone: 760-631-5000    
Dr. Tonya Marie Adkins, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Vale Terrace Dr, Vista, CA 92084
Phone: 760-631-5000    
Lisa Anne Leonard, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Vale Terrace Dr, Vista, CA 92084
Phone: 760-631-5000    
Helen Nguyen,
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 2067 W Vista Way Ste 250, Vista, CA 92083
Phone: 562-490-9900    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.