Macdale J. Elwin, MD

Medicare activity in 2024

Official CMS public-use data for Macdale J. Elwin, 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. Anesthesia for lens surgery (00142)40 services
2. Insertion of artery tube for blood sampling or infusion through skin (36620)27 services
3. Anesthesia for procedure on heart and large blood vessels (00560)20 services
4. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)20 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 pressure68%
• Arthritis48%
• Ischemic heart disease42%
• Diabetes37%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)28%

Hospitals where Macdale J. Elwin works

Medicare's Facility Affiliation Data lists Macdale J. Elwin 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
• St Barnabas HospitalBronx, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330399
• St John's Riverside HospitalYonkers, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330208

Practice locations

Addresses where Macdale J. Elwin is enrolled with Medicare (CMS data updated October 2, 2026).

• 111 E 210th StBronx, NY 10467
• 4422 3rd AveBronx, NY 10457 (718) 960‑6238
• 530 1st AveNew York, NY 10016
• 550 1st AveNew York, NY 10016

Group practices

Medicare enrollment lists Macdale J. Elwin as a member of these groups (CMS data updated October 2, 2026).

• New York University6,134 clinicians in the group
• Montefiore Medical Center2,820 clinicians in the group
• Bronx Anesthesia Services, PC25 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Bronx

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

• Patrick G. Koontz
• Dana D. Yahav-Shafir, MD
• Noreen Shahbaz, MD
• Jonathan D. Leff, MD
• Johnny Tran, MD
• Olubukola O. Nafiu, MD
• George Trister, MD
• Rosemund M. Acquah, MD

All anesthesiologists in Bronx →

Other clinicians in New York University

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

• Louis Ugalde, MD
• Thomas N. Bustros, MD
• Ingrid Aguiar Littig, MD
• Viktoriya Katayeva
• Qusai Hammouri, MD
• Nancy Peterson, NP

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