Quick answers
- Does Zachary Kostun accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary Kostun accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zachary Kostun see?
- In 2024, CMS data shows 273 Original Medicare patients and 772 services for Zachary Kostun. This counts Original Medicare only and measures volume, not quality.
- What is Zachary Kostun's NPI number?
- 1598022147. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zachary Kostun, 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.
| Original Medicare patients | 273 |
|---|---|
| Services billed to Medicare | 772 |
| Different services or procedures | 98 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)80 services
- Complete ultrasound study of arm and leg arteries (93923)66 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)62 services
- Ultrasound of both sides of head and neck blood flow (93880)52 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)49 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 disease51%
- Arthritis49%
- Diabetes45%
- Chronic kidney disease42%
Hospitals where Zachary Kostun works
Medicare's Facility Affiliation Data lists Zachary Kostun 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.
- Glens Falls HospitalGlens Falls, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330191
- Nathan Littauer HospitalGloversville, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330276
- Saratoga HospitalSaratoga Springs, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330222
- St Mary's HealthcareAmsterdam, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330047
Practice locations
Addresses where Zachary Kostun is enrolled with Medicare (CMS data updated October 2, 2026).
- 123 Quaker Rd, Suite 106Queensbury, NY 12804 (518) 640‑6752
Group practices
Medicare enrollment lists Zachary Kostun as a member of this group (CMS data updated October 2, 2026).
- Community Care Physicians PLLC368 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Queensbury
Clinicians with the same Medicare primary specialty in Queensbury, NY — not a recommendation.
Other clinicians in Community Care Physicians PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598022147 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians