Quick answers
- Which hospitals does Lawrence G. Mendelowitz work at?
- Medicare's official clinician data lists Lawrence G. Mendelowitz at 3 hospitals: Hudson Valley Hospital Center, Northern Westchester Hospital and Phelps Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lawrence G. Mendelowitz see patients?
- Medicare's clinician data lists 2 practice locations, including Sleepy Hollow, NY. Call before your visit to confirm the address.
- What is Lawrence G. Mendelowitz's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Lawrence G. Mendelowitz accept Medicare assignment?
- Yes. Medicare's clinician data says Lawrence G. Mendelowitz 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 Lawrence G. Mendelowitz?
- (914) 366-3000, as listed in official Medicare / NPI Registry data.
- What is Lawrence G. Mendelowitz's NPI number?
- 1508945288. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lawrence G. Mendelowitz works
Medicare's Facility Affiliation Data lists Lawrence G. Mendelowitz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · CCN 330267
- Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · CCN 330162
- Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · CCN 330261
Practice locations
Addresses where Lawrence G. Mendelowitz is enrolled with Medicare (CMS data updated 2026-10-02).
- 701 N BroadwaySleepy Hollow, NY 10591 (914) 366‑3000
- 755 N BroadwaySleepy Hollow, NY 10591 (516) 734‑8900
Group practices
Medicare enrollment lists Lawrence G. Mendelowitz as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Sleepy Hollow
Clinicians with the same Medicare primary specialty in Sleepy Hollow, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508945288 |
| 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