Mary Elizabeth Abusief, MD - Medicare Obstetrics & Gynecology in East Palo Alto, CA

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Mary Elizabeth Abusief, MD is a medicare enrolled "Obstetrics & Gynecology - Reproductive Endocrinology" physician in East Palo Alto, California. Her current practice location is 1950 University Ave Ste 170, East Palo Alto, California. You can reach out to her office (for appointments etc.) via phone at (650) 322-1900.

Mary Elizabeth Abusief is licensed to practice in California (license number A100071) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1639206733.

Contact Information

Mary Elizabeth Abusief, MD
1950 University Ave Ste 170,
East Palo Alto, CA 94303-2289
(650) 322-1900
Not Available

Map and Direction




Physician's Profile

Full NameMary Elizabeth Abusief
GenderFemale
SpecialityObstetrics & Gynecology - Reproductive Endocrinology
Location1950 University Ave Ste 170, East Palo Alto, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1639206733
  • Provider Enumeration Date: 02/27/2007
  • Last Update Date: 05/28/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 9830408723
  • Enrollment ID: I20151015001011

Medical Identifiers

Medical identifiers for Mary Elizabeth Abusief such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639206733NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VE0102XObstetrics & Gynecology - Reproductive Endocrinology 221426 (Massachusetts)Secondary
207VE0102XObstetrics & Gynecology - Reproductive Endocrinology A100071 (California)Primary

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. Mary Elizabeth Abusief allows following entities to bill medicare on her behalf.
Entity NameSutter Bay Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013950807
PECOS PAC ID: 4284538778
Enrollment ID: O20031125000909
Entity NameSutter Bay Medical Foundation
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1104067115
PECOS PAC ID: 4284538778
Enrollment ID: O20090501000456

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. Mary Elizabeth Abusief 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
Mary Elizabeth Abusief, MD
325 Distel Cir,
Los Altos, CA 94022-1408

Ph: (800) 597-2234		Mary Elizabeth Abusief, MD
1950 University Ave Ste 170,
East Palo Alto, CA 94303-2289

Ph: (650) 322-1900

Reviews and Comments


Obstetrics & Gynecology Doctors in East Palo Alto, CA

Brittany Gray, DO/MPH
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1885 Bay Rd, East Palo Alto, CA 94303
Phone: 650-617-7891    

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.