Quick answers
- Which hospitals does Gary C. Guerrino work at?
- Medicare's official clinician data lists Gary C. Guerrino at 1 hospital: New York-Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary C. Guerrino see patients?
- Medicare's clinician data lists 2 practice locations, including Mount Vernon, NY and Eastchester, NY. Call before your visit to confirm the address.
- What is Gary C. Guerrino's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gary C. Guerrino accept Medicare assignment?
- Yes. Medicare's clinician data says Gary C. Guerrino 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 Gary C. Guerrino offer telehealth?
- Medicare's clinician data says Gary C. Guerrino offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gary C. Guerrino?
- (914) 668-5944, as listed in official Medicare / NPI Registry data.
- What is Gary C. Guerrino's NPI number?
- 1811981194. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gary C. Guerrino works
Medicare's Facility Affiliation Data lists Gary C. Guerrino at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · CCN 330101
Practice locations
Addresses where Gary C. Guerrino is enrolled with Medicare (CMS data updated 2026-10-02).
- 540 Gramatan AveMount Vernon, NY 10552 (914) 668‑5944
- 685 White Plains RdEastchester, NY 10709
Group practices
Medicare enrollment lists Gary C. Guerrino as a member of this group (CMS data updated 2026-10-02).
- Lawrence Medical Associates PC224 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Mount Vernon
Clinicians with the same Medicare primary specialty in Mount Vernon, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1811981194 |
| 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