Quick answers
- Which hospitals does Celestine Gregerson work at?
- Medicare's official clinician data lists Celestine Gregerson at 1 hospital: New York-Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Celestine Gregerson see patients?
- Medicare's clinician data lists 3 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is Celestine Gregerson's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Celestine Gregerson accept Medicare assignment?
- Yes. Medicare's clinician data says Celestine Gregerson 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 Celestine Gregerson?
- (646) 962-2020, as listed in official Medicare / NPI Registry data.
- What is Celestine Gregerson's NPI number?
- 1679101943. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Celestine Gregerson works
Medicare's Facility Affiliation Data lists Celestine Gregerson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · CCN 330101
Practice locations
Addresses where Celestine Gregerson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1305 York Ave, Suite 11New York, NY 10021 (646) 962‑2020
- 212 E 69th St, Suite 5New York, NY 10021 (646) 962‑2020
- 622 W 168th StNew York, NY 10032 (212) 305‑9876
Group practices
Medicare enrollment lists Celestine Gregerson as a member of these groups (CMS data updated 2026-10-02).
- Trustees of Columbia University in the City of New York2,296 clinicians in the group
- Weill Medical College of Cornell2,051 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Utah School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679101943 |
| 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