Ayan Tyagi Kumar, MD
NPI 1447818398ActiveIndividual· Otolaryngology· Philadelphia, PA
Otolaryngology (MD) with Billings Clinic Specialty Supplies and Services, LLC and 2 other groups, practicing in Philadelphia, Pennsylvania. Part D covered 33 prescriptions written in 2024, 100% of them generic. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $169.53 in all, mostly food and beverage. Lists Billings Clinic Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1447818398 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 4, 2019 |
| Last updated in NPPES | Sep 19, 2025 |
| Certified by provider | Sep 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | MED-PHYS-LIC-163583 | MT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Otolaryngology (AZ); Practitioner - Otolaryngology (MT); Practitioner - Otolaryngology (NY) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 33 · 33 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $167.07 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Otolaryngology |
Medical groups
- Billings Clinic Specialty Supplies and Services, LLCBillings, MT · 824 clinicians
- Wyckoff Professional Medical Services PCBrooklyn, NY · 157 clinicians
- Markowitz Medical PLLCNew York, NY · 5 clinicians
Hospital affiliations
- Billings Clinic HospitalBillings, MT
- Confluence Health HospitalWenatchee, WA
Industry payments (Open Payments)
- 2025$169.53 · 2 payments from 2 companies
- 2024$172.88 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $148.50 | 1 |
| Stryker Corporation | $21.03 | 1 |
What the 2025 payments were for
- Food and Beverage$169.53 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 164 otolaryngologists in Philadelphia · All otolaryngologists in Pennsylvania