Steven Spiegel, MD

Medicare activity in 2024

Official CMS public-use data for Steven Spiegel, 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)813 services
2. Insertion of needle into vein for collection of blood sample (36415)499 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)467 services
4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)162 services
5. Administration of influenza virus vaccine (G0008)145 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 pressure69%
• Arthritis46%
• Ischemic heart disease29%
• Diabetes20%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)20%

Hospitals where Steven Spiegel works

Medicare's Facility Affiliation Data lists Steven Spiegel 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.

• Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330107
• Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393

Practice locations

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

• 201 Montauk Hwy, Suite 1Westhampton Beach, NY 11978 (631) 288‑2273
• 34 Commerce AveRiverhead, NY 11901 (631) 727‑1600

Group practices

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

• Peconic Bay Primary Medical Care71 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

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

• Rehana R. Alam, DO
• Zhe Shun Jefferson Li, MD
• Stefan Dinulescu, MD
• Natalia A. Grudzien, MD
• Amit R. Patel, MD
• Douglas E. Marratta, MD
• Muhammad R. Zakaria, MD
• Kaikei Cho, MD

All internal medicine doctors in New York →

Other clinicians in Peconic Bay Primary Medical Care

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

• Kimberly Duffy, MD
• Kimberly Muzzonigro, PA
• Kristin S. Gordon, DO
• Rohit Navlani, DO
• Michael R. Cespites, DO
• Michael Ciminiello, 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