Ken Yanagisawa, MD

Medicare activity in 2024

Official CMS public-use data for Ken Yanagisawa, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)909 services
2. Professional service for preparation and provision of 1 or more antigens (95165)519 services
3. Professional service for multiple injections of allergen (95117)173 services
4. Comprehensive hearing and speech recognition test (92557)130 services
5. Test to assess middle ear function (92567)129 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis50%
• Ischemic heart disease29%
• Diabetes28%
• Anxiety28%

Hospitals where Ken Yanagisawa works

Medicare's Facility Affiliation Data lists Ken Yanagisawa at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Bridgeport HospitalBridgeport, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070010
• Middlesex HospitalMiddletown, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070020
• Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070022

Practice locations

Addresses where Ken Yanagisawa is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Long Wharf Dr, Suite 302New Haven, CT 06511 (203) 787‑4951
• 51 S Main StMiddletown, CT 06457 (860) 344‑0055

Group practices

Medicare enrollment lists Ken Yanagisawa as a member of this group (CMS data updated October 2, 2026).

• MHS Primary Care, Inc.180 clinicians in the group

Specialties

• Otolaryngologyprimary

Find other Otolaryngology doctors in Connecticut →

Other ENT doctors in New Haven

Clinicians with the same Medicare primary specialty in New Haven, CT — not a recommendation.

• Michael S. Weinstock, MD
• Paul J. Fortgang, MD
• Thomas G. Takoudes, MD
• John F. Kveton, MD
• Yan H. Lee, MD
• Eaton Chen, MD
• Howard P. Boey, MD
• Eugenia M. Vining, MD

All ENT doctors in New Haven →

Other clinicians in MHS Primary Care, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Melissa M. Heins
• Melissa A. Fazzolari
• Malisa L. Lahtinen, MD
• Alana A. Vega
• Elizabeth Barrera
• Kenneth M. Schwartz, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians