Quick answers
- Does Gregory J. Zablocki accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory J. Zablocki 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 Gregory J. Zablocki see?
- In 2024, CMS data shows 1,325 Original Medicare patients and 3,098 services for Gregory J. Zablocki. This counts Original Medicare only and measures volume, not quality.
- What is Gregory J. Zablocki's NPI number?
- 1538427455. 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 Gregory J. Zablocki, 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 | 1,325 |
|---|---|
| Services billed to Medicare | 3,098 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient complete exam of visual system (92014)1,211 services
- Imaging of retina (92134)380 services
- Established patient problem focused exam of visual system (92012)335 services
- New patient complete exam of visual system (92004)179 services
- Measurement of corneal curvature and depth of eye (92136)177 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 cholesterol70%
- High blood pressure69%
- Arthritis41%
- Diabetes25%
- Ischemic heart disease20%
- Anxiety20%
Hospitals where Gregory J. Zablocki works
Medicare's Facility Affiliation Data lists Gregory J. Zablocki 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.
- Cayuga Medical Center at IthacaIthaca, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330307
Practice locations
Addresses where Gregory J. Zablocki is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Uptown RdIthaca, NY 14850 (607) 257‑5599
- 232 W Genesee St, Suite 2Auburn, NY 13021 (315) 252‑9571
- 310 Taughannock Blvd, Suite 4Ithaca, NY 14850 (607) 269‑0100
Group practices
Medicare enrollment lists Gregory J. Zablocki as a member of these groups (CMS data updated October 2, 2026).
- Cayuga Medical Associates PC282 clinicians in the group
- Robert J. Arleo, MD, PC4 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in Cayuga Medical Associates PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| 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) | 1538427455 |
| 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