Jennifer L. Agnew, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer L. Agnew, 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. Diagnostic exam of anus using an endoscope (46600)111 services
2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)66 services
3. Removal of external hemorrhoids by rubber banding (46221)24 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)15 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)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 cholesterol72%
• High blood pressure67%
• Arthritis50%
• Ischemic heart disease27%
• Anxiety25%
• Osteoporosis23%

Hospitals where Jennifer L. Agnew works

Medicare's Facility Affiliation Data lists Jennifer L. Agnew 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.

• Lenox Hill HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330119

Practice locations

Addresses where Jennifer L. Agnew is enrolled with Medicare (CMS data updated October 2, 2026).

• 178 E 58th StNew York, NY 10155 (212) 434‑6776

Group practices

Medicare enrollment lists Jennifer L. Agnew as a member of this group (CMS data updated October 2, 2026).

• North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

• Colorectal Surgery (Proctology)primary
• General Surgeryalso

Find other Colorectal Surgery (Proctology) doctors in New York →

Other colorectal surgeons in New York

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

• David E. Hong, DO
• Lea Lowenfeld, MD
• David B. Chessin, MD
• Jessica Simon, MD
• Garrett M. Nash, MD
• Julio Garcia-Aguilar, MD
• Richard L. Whelan, MD
• Heather L. Yeo, MD

All colorectal surgeons in New York →

Other clinicians in North Shore-Lij Medical PC

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

• Mary N. Makaryus, DO
• Haley A. Ketcham, NP
• Ahad Idris, DO
• James J. O'Connor, MD
• John M. Nelson, MD
• Barbara E. Hall-Atkins, NP

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