Kenneth C. Kneessy, MD

Medicare activity in 2024

Official CMS public-use data for Kenneth C. Kneessy, 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)109 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)49 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)42 services
4. Implantation of biologic implant to soft tissue (15777)16 services
5. Revision of capsule around breast implant (19370)12 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)59%
• Arthritis46%
• Anxiety38%
• Diabetes31%

Hospitals where Kenneth C. Kneessy works

Medicare's Facility Affiliation Data lists Kenneth C. Kneessy 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.

• John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330185
• St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330401
• St Charles HospitalPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330246

Practice locations

Addresses where Kenneth C. Kneessy is enrolled with Medicare (CMS data updated October 2, 2026).

• 179 Belle Meade Rd, Suite 1East Setauket, NY 11733
• 179 Belle Meade Rd, Suite 1New York, NY 11733

Specialties

• Plastic and Reconstructive Surgeryprimary

Find other Plastic and Reconstructive Surgery doctors in New York →

Other plastic surgeons in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

• Stephen F. Coccaro, MD
• Victor E. Martinez Zavala, MD
• Elizabeth M. Sieczka, MD
• Rachel M. Akintayo, MD
• Duncan B. Hughes, MD
• Robert D. Goldstein, MD
• Brian A. Pinsky, MD
• Jeff J. Kim, MD

All plastic surgeons in New York →

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