Quick answers
- Which hospitals does Michael Grasso work at?
- Medicare's official clinician data lists Michael Grasso at 5 hospitals: Danbury Hospital, Garnet Health Medical Center, Lenox Hill Hospital, NYU Langone Hospitals and Phelps Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael Grasso see patients?
- Medicare's clinician data lists 1 practice location in Sleepy Hollow, NY. Call before your visit to confirm the address.
- What is Michael Grasso's specialty?
- Medicare lists Urology as the primary specialty, and also General Surgery.
- Does Michael Grasso accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Grasso 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 Michael Grasso?
- (914) 302-0100, as listed in official Medicare / NPI Registry data.
- What is Michael Grasso's NPI number?
- 1437184280. 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 Grasso works
Medicare's Facility Affiliation Data lists Michael Grasso at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Danbury HospitalDanbury, CT · Acute Care Hospital · CCN 070033
- Garnet Health Medical CenterMiddletown, NY · Acute Care Hospital · CCN 330126
- Lenox Hill HospitalNew York, NY · Acute Care Hospital · CCN 330119
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
- Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · CCN 330261
Practice locations
Addresses where Michael Grasso is enrolled with Medicare (CMS data updated 2026-10-02).
- 755 N BroadwaySleepy Hollow, NY 10591 (914) 302‑0100
Group practices
Medicare enrollment lists Michael Grasso as a member of this group (CMS data updated 2026-10-02).
- Brightwaters Gynecology PC8 clinicians in the group
Specialties
- Urologyprimary
- General Surgeryalso
Other urologists in Sleepy Hollow
Clinicians with the same Medicare primary specialty in Sleepy Hollow, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437184280 |
| 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