Ronnie A. Hershman, MD

Medicare activity in 2024

Official CMS public-use data for Ronnie A. Hershman, 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)2,445 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)1,808 services
3. Insertion of needle into vein for collection of blood sample (36415)1,473 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)75 services
5. Smoking and tobacco use intensive counseling, 4-10 minutes (99406)63 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 cholesterol73%
• Ischemic heart disease56%
• Arthritis50%
• Diabetes32%
• Atrial fibrillation25%

Hospitals where Ronnie A. Hershman works

Medicare's Facility Affiliation Data lists Ronnie A. Hershman 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.

• NYU Langone HospitalsNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330214

Practice locations

Addresses where Ronnie A. Hershman is enrolled with Medicare (CMS data updated October 2, 2026).

• 111 BroadwayNew York, NY 10006 (212) 263‑9700

Group practices

Medicare enrollment lists Ronnie A. Hershman as a member of this group (CMS data updated October 2, 2026).

• New York University6,134 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary
• Internal Medicinealso

Find other Cardiovascular Disease (Cardiology) doctors in New York →

Other cardiologists in New York

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

• Julie C. Delphin, MD
• Daniel Krauser
• Ramya Mosarla, MD
• Dov Shmukler, MD
• Karishma Patwa, MD
• James A. Blake, MD
• Arthur Z. Schwartzbard, MD
• Francesca Romana Prandi, MD

All cardiologists in New York →

Other clinicians in New York University

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

• Neel Patel, MD
• Lev Ginzburg, MD
• Jillian Davis, CNA
• Patrick M. Kwon, MD
• Nikki Koll, DO
• Margaret A. Sullivan, PA

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