Quick answers
- Which hospitals does Berrin Ustun work at?
- Medicare's official clinician data lists Berrin Ustun at 5 hospitals: Greenwich Hospital Association -, Montefiore Medical Center, Montefiore New Rochelle Hospital, Phelps Hospital and White Plains Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Berrin Ustun see patients?
- Medicare's clinician data lists 5 practice locations, including Forest Hills, NY, Bronx, NY and Mount Kisco, NY. Call before your visit to confirm the address.
- What is Berrin Ustun's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Berrin Ustun accept Medicare assignment?
- Medicare's clinician data says Berrin Ustun may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Berrin Ustun?
- (718) 830-4000, as listed in official Medicare / NPI Registry data.
- What is Berrin Ustun's NPI number?
- 1568789394. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Berrin Ustun works
Medicare's Facility Affiliation Data lists Berrin Ustun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · CCN 070018
- Montefiore Medical CenterBronx, NY · Acute Care Hospital · CCN 330059
- Montefiore New Rochelle HospitalNew Rochelle, NY · Acute Care Hospital · CCN 330184
- Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · CCN 330261
- White Plains Hospital CenterWhite Plains, NY · Acute Care Hospital · CCN 330304
Practice locations
Addresses where Berrin Ustun is enrolled with Medicare (CMS data updated 2026-10-02).
- 10201 66th RdForest Hills, NY 11375 (718) 830‑4000
- 111 E 210th StBronx, NY 10467
- 400 E Main StMount Kisco, NY 10549 (914) 666‑1371
- 41 E Post RdWhite Plains, NY 10601 (914) 681‑0600
- 5 Perryridge RdGreenwich, CT 06830 (203) 863‑3061
Group practices
Medicare enrollment lists Berrin Ustun as a member of these groups (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
- Montefiore Medical Center2,820 clinicians in the group
- East Post Road Medical Services PC429 clinicians in the group
- Greenwich Pathology Associates LLC8 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Forest Hills
Clinicians with the same Medicare primary specialty in Forest Hills, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1568789394 |
| 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