Quick answers
- Which hospitals does Matthew S. Leone work at?
- Medicare's official clinician data lists Matthew S. Leone at 1 hospital: Montefiore St Luke's Cornwall. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew S. Leone see patients?
- Medicare's clinician data lists 1 practice location in Middletown, NY. Call before your visit to confirm the address.
- What is Matthew S. Leone's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Matthew S. Leone accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew S. Leone 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 Matthew S. Leone offer telehealth?
- Medicare's clinician data says Matthew S. Leone offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Matthew S. Leone?
- (845) 692-6999, as listed in official Medicare / NPI Registry data.
- What is Matthew S. Leone's NPI number?
- 1326144650. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew S. Leone works
Medicare's Facility Affiliation Data lists Matthew S. Leone at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Montefiore St Luke's CornwallNewburgh, NY · Acute Care Hospital · CCN 330264
Practice locations
Addresses where Matthew S. Leone is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Crystal Run RdMiddletown, NY 10941 (845) 692‑6999
Group practices
Medicare enrollment lists Matthew S. Leone as a member of this group (CMS data updated 2026-10-02).
- Crystal Run Healthcare Physicians LLP362 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Middletown
Clinicians with the same Medicare primary specialty in Middletown, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1326144650 |
| 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