Quick answers
- Which hospitals does George M. Schmitz work at?
- Medicare's official clinician data lists George M. Schmitz at 2 hospitals: Mount Sinai Hospital and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does George M. Schmitz see patients?
- Medicare's clinician data lists 2 practice locations, including Huntington, NY and Greenlawn, NY. Call before your visit to confirm the address.
- What is George M. Schmitz's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does George M. Schmitz accept Medicare assignment?
- Yes. Medicare's clinician data says George M. Schmitz 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 George M. Schmitz?
- (631) 659-4400, as listed in official Medicare / NPI Registry data.
- What is George M. Schmitz's NPI number?
- 1700896248. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where George M. Schmitz works
Medicare's Facility Affiliation Data lists George M. Schmitz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Sinai HospitalNew York, NY · Acute Care Hospital · CCN 330024
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
Practice locations
Addresses where George M. Schmitz is enrolled with Medicare (CMS data updated 2026-10-02).
- 325 Park AveHuntington, NY 11743 (631) 659‑4400
- 5 Cuba Hill RdGreenlawn, NY 11740 (631) 628‑5000
Group practices
Medicare enrollment lists George M. Schmitz as a member of this group (CMS data updated 2026-10-02).
- North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Huntington
Clinicians with the same Medicare primary specialty in Huntington, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700896248 |
| 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