David C. Ritterband, MD

Medicare activity in 2024

Official CMS public-use data for David C. Ritterband, 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 problem focused exam of visual system (92012)1,000 services
2. Photography of the retina (92250)434 services
3. Ct scan of cornea (92025)430 services
4. Removal of cataract with insertion of prosthetic lens (66984)349 services
5. Measurement of corneal curvature and depth of eye (92136)276 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%
• High blood pressure66%
• Arthritis49%
• Ischemic heart disease29%
• Diabetes27%
• Osteoporosis24%

Hospitals where David C. Ritterband works

Medicare's Facility Affiliation Data lists David C. Ritterband 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 David C. Ritterband is enrolled with Medicare (CMS data updated October 2, 2026).

• 210 E 64th StNew York, NY 10065 (718) 226‑6110

Group practices

Medicare enrollment lists David C. Ritterband as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in New York →

Other ophthalmologists in New York

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

• Michael J. Weiss, MD
• Vasiliki P. Giannakakos, MD
• Julie Lin, OD
• Edwin M. Schottenstein, MD
• Tejanand Ramdass, OD
• Kevin D. Heinze, MD
• Julius Shulman, MD
• Rajendra K. Bansal, MD

All ophthalmologists in New York →

Other clinicians in North Shore-Lij Medical PC

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

• Samer Sbayi, MD
• Nandini Anandu, MD
• Daniel E. Asemota, MD
• Taylor A. Bruns, NP
• Amy Balot, DO
• Erica Garcia, 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