Ranjana Chaterji, DO

Medicare activity in 2024

Official CMS public-use data for Ranjana Chaterji, 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 moderate level of decision making, if using time, 30 minutes or more (99214)234 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)119 services
3. Measurement of lymphedema extracellular fluid (93702)45 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)31 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)29 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 cholesterol75%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)65%
• High blood pressure62%
• Arthritis44%
• Osteoporosis41%
• Anxiety30%

Hospitals where Ranjana Chaterji works

Medicare's Facility Affiliation Data lists Ranjana Chaterji 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.

• Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162
• Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330261

Practice locations

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

• 400 E Main StMount Kisco, NY 10549 (914) 666‑1371

Group practices

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

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

Specialties

• General Surgeryprimary
• Orthopedic Surgeryalso

Find other General Surgery doctors in New York →

Other general surgeons in Mount Kisco

Clinicians with the same Medicare primary specialty in Mount Kisco, NY — not a recommendation.

• Dan S. Reiner, MD
• Adam B. Semegran, MD
• Anna Aronova, MD
• Heidi L. Elliott
• Carl F. Calica, MD
• Camille Swain
• John Cha, MD
• Lyda Rojas Carroll, MD

All general surgeons in Mount Kisco →

Other clinicians in North Shore-Lij Medical PC

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

• Anthony H. Zou, MD
• Lawrence D. Miller, OD
• Paige Bates, MD
• Bradford W. Landry, DO
• Andrea Carollo, MD
• Lynn M. Opitz, 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