Ken Yanagisawa, MD
NPI 1225055064ActiveIndividual· Otolaryngology· New Haven, CT
Otolaryngology (MD) in New Haven, Connecticut, trained at University of Connecticut School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $186,294 for 1,173 claims, against $114,854 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 4 companies reporting payments in 2025, $557.90 in all, mostly food and beverage.
Overview
| NPI | 1225055064 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Jul 2, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 032855 | CT |
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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 578 |
|---|---|
| Services billed | 2,303 across 34 procedure codes |
| Paid by Medicare | $114,854 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,173 · 1,879 30-day fills |
|---|---|
| Patients | 361 |
| Total drug cost | $186,294 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Otolaryngology |
Medical group
- Mhs Primary Care, Inc.Essex, CT · 180 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Middlesex HospitalMiddletown, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$557.90 · 28 payments from 4 companies
- 2024$368.89 · 16 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $243.39 | 9 |
| Glaxosmithkline, LLC. | $152.69 | 15 |
| Medtronic, Inc. | $139.77 | 3 |
| Genzyme Corporation | $22.05 | 1 |
What the 2025 payments were for
- Food and Beverage$557.90 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 otolaryngologists in New Haven · All otolaryngologists in Connecticut