Quick answers
- Which hospitals does Ayan Kumar work at?
- Medicare's official clinician data lists Ayan Kumar at 2 hospitals: Billings Clinic Hospital and Confluence Health Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ayan Kumar see patients?
- Medicare's clinician data lists 3 practice locations, including New York, NY, Brooklyn, NY and Billings, MT. Call before your visit to confirm the address.
- What is Ayan Kumar's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Ayan Kumar accept Medicare assignment?
- Yes. Medicare's clinician data says Ayan Kumar 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 Kumar?
- (347) 881-3392, as listed in official Medicare / NPI Registry data.
- What is Ayan Kumar's NPI number?
- 1447818398. 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 Kumar works
Medicare's Facility Affiliation Data lists Ayan Kumar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Billings Clinic HospitalBillings, MT · Acute Care Hospital · CCN 270004
- Confluence Health HospitalWenatchee, WA · Acute Care Hospital · CCN 500016
Practice locations
Addresses where Ayan Kumar is enrolled with Medicare (CMS data updated 2026-10-02).
- 1150 5th Ave, Suite 1aNew York, NY 10128 (347) 881‑3392
- 374 Stockholm StBrooklyn, NY 11237 (718) 963‑7266
- 801 N 29th StBillings, MT 59101 (406) 238‑2500
Group practices
Medicare enrollment lists Ayan Kumar as a member of these groups (CMS data updated 2026-10-02).
- Billings Clinic Specialty Supplies and Services, LLC824 clinicians in the group
- Wyckoff Professional Medical Services PC157 clinicians in the group
- Markowitz Medical PLLC5 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447818398 |
| 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