Margaret Anne Mahony, MD - Medicare Obstetrics/gynecology in Santa Clara, CA

Margaret Anne Mahony, MD is a medicare enrolled "Obstetrics & Gynecology - Gynecology" physician in Santa Clara, California. She went to Washington University School Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 710 Lawrence Expy, Dept. #386, Santa Clara, California. You can reach out to her office (for appointments etc.) via phone at (408) 851-1000.

Margaret Anne Mahony is licensed to practice in California (license number G56158) 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 1457572414.

Contact Information

Margaret Anne Mahony, MD
710 Lawrence Expy, Dept. #386,
Santa Clara, CA 95051-5173
(408) 851-1000
Not Available

Map and Direction




Physician's Profile

Full NameMargaret Anne Mahony
GenderFemale
SpecialityObstetrics/gynecology
Experience40 Years
Location710 Lawrence Expy, Santa Clara, 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:
  • Margaret Anne Mahony attended and graduated from Washington University School Of Medicine in 1984
  NPI Data:
  • NPI Number: 1457572414
  • Provider Enumeration Date: 05/01/2007
  • Last Update Date: 12/20/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8426193566
  • Enrollment ID: I20100301000848

Medical Identifiers

Medical identifiers for Margaret Anne Mahony such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457572414NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VG0400XObstetrics & Gynecology - Gynecology G56158 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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. Margaret Anne Mahony allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Margaret Anne Mahony 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
Margaret Anne Mahony, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Margaret Anne Mahony, MD
710 Lawrence Expy, Dept. #386,
Santa Clara, CA 95051-5173

Ph: (408) 851-1000

Reviews and Comments


Obstetrics & Gynecology Doctors in Santa Clara, CA

Andrea B. Hutchinson, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 710 Lawrence Expy, Santa Clara, CA 95051
Phone: 408-851-1000    
Shekar Davarya, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 710 Lawrence Expy, Department 390, Santa Clara, CA 95051
Phone: 408-851-3067    Fax: 408-851-3431
Marie Kristine Holzapfel, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 710 Lawrence Expy, Dept 390, Santa Clara, CA 95051
Phone: 408-554-9820    
Jennifer A. Cato, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 710 Lawrence Expy, Santa Clara, CA 95051
Phone: 408-851-1000    
Uyen P Huynh, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 710 Lawrence Expy, Women's Clinic, Santa Clara, CA 95051
Phone: 408-851-5000    
Ricci Regina Rivera Sylla, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 710 Lawrence Expy # 386, Santa Clara, CA 95051
Phone: 408-554-9820    
Rajita G. Patil, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 710 Lawrence Expy, Santa Clara, CA 95051
Phone: 408-851-1000    

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.