Quick answers
- Which hospitals does Deborah A. Schaefer work at?
- Medicare's official clinician data lists Deborah A. Schaefer at 4 hospitals: John T Mather Memorial Hospital of Port Jefferson, Long Island Community Hospital, NYU Langone Hospitals and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Deborah A. Schaefer see patients?
- Medicare's clinician data lists 2 practice locations, including New York, NY and Shoreham, NY. Call before your visit to confirm the address.
- What is Deborah A. Schaefer's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Deborah A. Schaefer accept Medicare assignment?
- Yes. Medicare's clinician data says Deborah A. Schaefer 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.
- Does Deborah A. Schaefer offer telehealth?
- Medicare's clinician data says Deborah A. Schaefer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Deborah A. Schaefer?
- (212) 263-9700, as listed in official Medicare / NPI Registry data.
- What is Deborah A. Schaefer's NPI number?
- 1124177399. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Deborah A. Schaefer works
Medicare's Facility Affiliation Data lists Deborah A. Schaefer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · CCN 330185
- Long Island Community HospitalPatchogue, NY · Acute Care Hospital · CCN 330141
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
Practice locations
Addresses where Deborah A. Schaefer is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 45 Route 25aShoreham, NY 11786 (631) 744‑3303
Group practices
Medicare enrollment lists Deborah A. Schaefer as a member of this group (CMS data updated 2026-10-02).
- New York University6,134 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124177399 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians