Quick answers
- Which hospitals does Mark C. Pillitteri work at?
- Medicare's official clinician data lists Mark C. Pillitteri at 1 hospital: Good Samaritan Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark C. Pillitteri see patients?
- Medicare's clinician data lists 4 practice locations, including West Islip, NY, Rockville Center, NY and Deer Park, NY. Call before your visit to confirm the address.
- What is Mark C. Pillitteri's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Mark C. Pillitteri accept Medicare assignment?
- Yes. Medicare's clinician data says Mark C. Pillitteri 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 Mark C. Pillitteri?
- (631) 376-3000, as listed in official Medicare / NPI Registry data.
- What is Mark C. Pillitteri's NPI number?
- 1679677082. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark C. Pillitteri works
Medicare's Facility Affiliation Data lists Mark C. Pillitteri at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
Practice locations
Addresses where Mark C. Pillitteri is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Montauk HwyWest Islip, NY 11795 (631) 376‑3000
- 1000 N Village AveRockville Center, NY 11570
- 2017 Deer Park AveDeer Park, NY 11729 (631) 242‑7444
- 2017 Deer Park Ave, Suite 1Deer Park, NY 11729 (631) 376‑3251
Group practices
Medicare enrollment lists Mark C. Pillitteri as a member of this group (CMS data updated 2026-10-02).
- CHS Physician Partners PC743 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in West Islip
Clinicians with the same Medicare primary specialty in West Islip, NY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | R Franklin University Of Med & Sci/chicago Medical School |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679677082 |
| 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