Quick answers
- Which hospitals does Nicholas Estis work at?
- Medicare's official clinician data lists Nicholas Estis at 2 hospitals: Hospital for Special Surgery and Stamford Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nicholas Estis see patients?
- Medicare's clinician data lists 4 practice locations, including Stamford, CT and New York, NY. Call before your visit to confirm the address.
- What is Nicholas Estis's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Nicholas Estis accept Medicare assignment?
- Yes. Medicare's clinician data says Nicholas Estis 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 Nicholas Estis?
- (212) 774-7598, as listed in official Medicare / NPI Registry data.
- What is Nicholas Estis's NPI number?
- 1831572239. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nicholas Estis works
Medicare's Facility Affiliation Data lists Nicholas Estis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital for Special SurgeryNew York, NY · Acute Care Hospital · CCN 330270
- Stamford HospitalStamford, CT · Acute Care Hospital · CCN 070006
Practice locations
Addresses where Nicholas Estis is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Blachley RdStamford, CT 06902 (212) 774‑7598
- 521 E 71st StNew York, NY 10021 (212) 774‑7598
- 535 E 70th StNew York, NY 10021 (646) 797‑8471
- 541 E 71st StNew York, NY 10021 (646) 797‑8973
Group practices
Medicare enrollment lists Nicholas Estis as a member of this group (CMS data updated 2026-10-02).
- NY Society for the Relief of Ruptured and Crippled Maintaining183 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Stamford
Clinicians with the same Medicare primary specialty in Stamford, CT — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831572239 |
| 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