Quick answers
- Which hospitals does Fredric Moon work at?
- Medicare's official clinician data lists Fredric Moon at 1 hospital: Mount Sinai South Nassau. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Fredric Moon see patients?
- Medicare's clinician data lists 3 practice locations, including Freeport, NY and Levittown, NY. Call before your visit to confirm the address.
- What is Fredric Moon's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Fredric Moon accept Medicare assignment?
- Yes. Medicare's clinician data says Fredric Moon 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 Fredric Moon?
- (516) 379-3139, as listed in official Medicare / NPI Registry data.
- What is Fredric Moon's NPI number?
- 1104819242. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Fredric Moon works
Medicare's Facility Affiliation Data lists Fredric Moon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Sinai South NassauOceanside, NY · Acute Care Hospital · CCN 330198
Practice locations
Addresses where Fredric Moon is enrolled with Medicare (CMS data updated 2026-10-02).
- 155 W Merrick Rd, Suite 101Freeport, NY 11520 (516) 379‑3139
- 2900 Hempstead TpkeLevittown, NY 11756 (516) 227‑3333
- 2900 Hempstead Tpke, Suite 203Levittown, NY 11756 (516) 227‑3345
Group practices
Medicare enrollment lists Fredric Moon as a member of these groups (CMS data updated 2026-10-02).
- North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group
- Mount Sinai School of Medicine148 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104819242 |
| 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