Quick answers
- Which hospitals does Michael W. Schaefer work at?
- Medicare's official clinician data lists Michael W. Schaefer at 5 hospitals: Columbia Memorial Hospital, Good Samaritan Hospital Medical Center, North Shore University Hospital, Peconic Bay Medical Center and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael W. Schaefer see patients?
- Medicare's clinician data lists 2 practice locations, including Medford, NY and Bay Shore, NY. Call before your visit to confirm the address.
- What is Michael W. Schaefer's specialty?
- Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
- Does Michael W. Schaefer accept Medicare assignment?
- Yes. Medicare's clinician data says Michael W. 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 Michael W. Schaefer offer telehealth?
- Medicare's clinician data says Michael W. Schaefer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael W. Schaefer?
- (631) 758-5858, as listed in official Medicare / NPI Registry data.
- What is Michael W. Schaefer's NPI number?
- 1265658512. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael W. Schaefer works
Medicare's Facility Affiliation Data lists Michael W. Schaefer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Columbia Memorial HospitalHudson, NY · Acute Care Hospital · CCN 330094
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
- North Shore University HospitalManhasset, NY · Acute Care Hospital · CCN 330106
- Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · CCN 330107
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
Practice locations
Addresses where Michael W. Schaefer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1723 N Ocean AveMedford, NY 11763 (631) 758‑5858
- 301 E Main StBay Shore, NY 11706 (631) 986‑3308
Group practices
Medicare enrollment lists Michael W. Schaefer as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in Medford
Clinicians with the same Medicare primary specialty in Medford, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1265658512 |
| 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