Jeffrey M. Ambinder, MD

Medicare activity in 2024

Official CMS public-use data for Jeffrey M. Ambinder, 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. Injection, darbepoetin alfa, 1 microgram (non-esrd use) (J0881)67,038 services
2. Injection, iron sucrose, 1 mg (J1756)42,000 services
3. Injection, denosumab, 1 mg (J0897)9,061 services
4. Injection, dexamethasone sodium phosphate, 1 mg (J1100)6,905 services
5. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)2,273 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%
• Arthritis49%
• Ischemic heart disease36%
• Diabetes35%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)33%

Hospitals where Jeffrey M. Ambinder works

Medicare's Facility Affiliation Data lists Jeffrey M. Ambinder 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.

• Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330267
• Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162
• Putnam Hospital CenterCarmel, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330273

Practice locations

Addresses where Jeffrey M. Ambinder is enrolled with Medicare (CMS data updated October 2, 2026).

• 2330 Eastchester RdBronx, NY 10469 (631) 751‑3000
• 48 Route 25aSmithtown, NY 11787 (631) 751‑3000

Group practices

Medicare enrollment lists Jeffrey M. Ambinder as a member of this group (CMS data updated October 2, 2026).

• North Shore Hematology Oncology Associates PC479 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in New York →

Other hematologist-oncologists in Bronx

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

• Valentina Moirangthem, MD
• Aditi Shastri, MD
• Irina Murakhovskaya, MD
• Swati Goel, MD
• Marina Y. Konopleva, MD
• Henny H. Billett, MD
• Samridhi Sinha, DO
• Haiying Cheng, MD

All hematologist-oncologists in Bronx →

Other clinicians in North Shore Hematology Oncology Associates PC

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

• Jesse Condello
• Albert N. Kim, MD
• Sarah R. Karalitzky, DO
• Jeanette Batista
• Alexander I. Zuhoski, MD
• Triantafillos J. Fillos, 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