Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Undefined Physician Type (Specify)

Mary Abusief, MD

Sees patients in San Jose, CA · California

Summary

Mary Abusief, MD (Undefined Physician Type (Specify)) is enrolled with Medicare at 1 practice location in San Jose, CA. NPI 1639206733. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Abusief, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Undefined Physician Type (Specify)Primary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
Southern Illinois University School Of MedicineMedical school
FemaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Where does Mary Abusief see patients?
Medicare's clinician data lists 1 practice location in San Jose, CA. Call before your visit to confirm the address.
What is Mary Abusief's specialty?
Medicare lists Undefined Physician Type (Specify) as the primary specialty, and also Obstetrics/Gynecology.
Does Mary Abusief accept Medicare assignment?
Yes. Medicare's clinician data says Mary Abusief accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Mary Abusief?
(408) 739-6000, as listed in official Medicare / NPI Registry data.
What is Mary Abusief's NPI number?
1639206733. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mary Abusief is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mary Abusief as a member of this group (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Undefined Physician Type (Specify) doctors in California →

Other physicians in San Jose

Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.

All physicians in San Jose →

Clinician information

CredentialMD
Medical schoolSouthern Illinois University School Of Medicine
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639206733
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians