Zacharias Chasin, MD

Medicare activity in 2024

Official CMS public-use data for Zacharias Chasin, 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 low level od decision making, if using time, 20 minutes or more (99213)88 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)46 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)18 services
4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)11 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 pressure74%
• High cholesterol70%
• Diabetes35%
• Arthritis33%
• Ischemic heart disease28%
• Chronic kidney disease24%

Hospitals where Zacharias Chasin works

Medicare's Facility Affiliation Data lists Zacharias Chasin 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.

• Samaritan HospitalTroy, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330180
• St Peter's HospitalAlbany, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330057
• Sunnyview Hospital and Rehabilitation CenterSchenectady, NY · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 330406

Practice locations

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

• 1 Tallow Wood DrClifton Park, NY 12065 (518) 373‑4444
• 125 Harry Howard AveHudson, NY 12534 (800) 479‑7695

Group practices

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

• Select PT, Ot and SLP Rehabilitation Ny, PLLC301 clinicians in the group
• Samaritan Hospital of Troy, New York251 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in New York →

Other family doctors in Clifton Park

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

• Neema R. Afejuku Adelaja, MD
• Matthew J. Cunningham, MD
• Cristine M. Espinosa, MD
• Renee A. Argubano, MD
• Balasukanya Balaraman, MD
• Kaeley M. Miller, MD
• Stephen M. Kuehn, DO
• Asif K. Afridi, MD

All family doctors in Clifton Park →

Other clinicians in Select PT, Ot and SLP Rehabilitation Ny, PLLC

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

• Chau T. Dang, MD
• Piotr A. Biegun, MD
• Alyssa M. Grzeskowiak, NP
• Rafaela Gonzalez-Lamos, MD
• C R. Mackenzie, MD
• Saeid Tafreshi, 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