Tahir Ahmad, MD

Medicare activity in 2024

Official CMS public-use data for Tahir Ahmad, 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. Critical care, first 30-74 minutes (99291)473 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)65 services
3. Critical care, each additional 30 minutes (99292)28 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%
• Ischemic heart disease75%
• Heart failure73%
• Atrial fibrillation66%
• Diabetes60%

Hospitals where Tahir Ahmad works

Medicare's Facility Affiliation Data lists Tahir Ahmad 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.

• St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330182

Practice locations

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

• 100 Port Washington BlvdRoslyn, NY 11576 (516) 562‑6000
• 111 E 210th StBronx, NY 10467

Group practices

Medicare enrollment lists Tahir Ahmad as a member of these groups (CMS data updated October 2, 2026).

• Montefiore Medical Center2,820 clinicians in the group
• St Francis Hospital99 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Roslyn

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

• Robert G. Curran, MD
• Simardeep K. Shina, MD
• Sujatha Rajan, MD
• Igor Elman, DO
• Arthur Lowy, MD
• Hamza Pervaiz, MD
• Guy Aristide, MD
• Jane Batterman, MD

All internal medicine doctors in Roslyn →

Other clinicians in Montefiore Medical Center

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

• Javier A. Laurini, MD
• Richard V. Smith, MD
• Gladys Crespo Ramos
• Pedro P. Maria, DO
• Hector R. Perez, MD
• Lakshman Samaroo, 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