Quick answers
- Which hospitals does Ayan Chatterjee work at?
- Medicare's official clinician data lists Ayan Chatterjee at 1 hospital: Wills Eye Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ayan Chatterjee see patients?
- Medicare's clinician data lists 3 practice locations, including King Of Prussia, PA, Iselin, NJ and Philadelphia, PA. Call before your visit to confirm the address.
- What is Ayan Chatterjee's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Ayan Chatterjee accept Medicare assignment?
- Yes. Medicare's clinician data says Ayan Chatterjee 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 Ayan Chatterjee?
- (610) 337-1580, as listed in official Medicare / NPI Registry data.
- What is Ayan Chatterjee's NPI number?
- 1265845804. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ayan Chatterjee works
Medicare's Facility Affiliation Data lists Ayan Chatterjee at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Wills Eye HospitalPhiladelphia, PA · Acute Care Hospital · CCN 390331
Practice locations
Addresses where Ayan Chatterjee is enrolled with Medicare (CMS data updated 2026-10-02).
- 1018 W 9th AveKing Of Prussia, PA 19406 (610) 337‑1580
- 485 Route 1 S, Bldg AIselin, NJ 08830 (732) 750‑0400
- 840 Walnut StPhiladelphia, PA 19107 (215) 928‑3041
Group practices
Medicare enrollment lists Ayan Chatterjee as a member of these groups (CMS data updated 2026-10-02).
- Wills Eye Ophthalmology Clinic, Inc147 clinicians in the group
- Omni Eye Specialists P A45 clinicians in the group
- Delaware Valley Vision Associates Group Practice, LLC14 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in King Of Prussia
Clinicians with the same Medicare primary specialty in King Of Prussia, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265845804 |
| 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