Howard M. Zimmerman, MD

Medicare activity in 2024

Official CMS public-use data for Howard M. Zimmerman, 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)216 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)102 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)86 services
4. Diagnostic exam of large bowel using a flexible endoscope (45378)34 services
5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)32 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%
• Diabetes48%
• Arthritis47%
• Ischemic heart disease38%
• Anxiety26%

Hospitals where Howard M. Zimmerman works

Medicare's Facility Affiliation Data lists Howard M. Zimmerman 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.

• North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
• 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 Howard M. Zimmerman is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

• 10201 66th RdForest Hills, NY 11375 (718) 830‑4000
• 156 -36 Cross Bay BlvdHoward Beach, NY 11414 (516) 562‑2683
• 300 Community DrManhasset, NY 11030
• 300 Community Dr LlManhasset, NY 11030 (516) 562‑2229
• 3003 New Hyde Park RdNew Hyde Park, NY 11042

Group practices

Medicare enrollment lists Howard M. Zimmerman as a member of these groups (CMS data updated October 2, 2026).

• North Shore-Lij Medical PC6,440 clinicians in the group
• New York University6,134 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in New York →

Other gastroenterologists in Forest Hills

Clinicians with the same Medicare primary specialty in Forest Hills, NY — not a recommendation.

• Daniel S. Reich, MD
• Samuel Davidoff, MD
• Yuriy Israel, MD
• Kamran V. Nia, MD
• Padmanabh U. Paddu, MD
• Albert Shalomov, MD
• Mark M. Pinkhasov, DO
• Mary S. Cheung, MD

All gastroenterologists in Forest Hills →

Other clinicians in North Shore-Lij Medical PC

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

• Juliana Derfel, MD
• Larry E. Gellman, MD
• Lauren A. Baiata, PA
• Darryl L. Adler, MD
• Susan P. Abraham, MD
• Sandra B B. Mampouya, 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