Quick answers
- Does Joseph Grzegorski accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph Grzegorski 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 Joseph Grzegorski see?
- In 2024, CMS data shows 118 Original Medicare patients and 301 services for Joseph Grzegorski. This counts Original Medicare only and measures volume, not quality.
- What is Joseph Grzegorski's NPI number?
- 1114688520. 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 Joseph Grzegorski, 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 | 118 |
|---|---|
| Services billed to Medicare | 301 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)150 services
- Hospital discharge day management, more than 30 minutes (99239)48 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)39 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)35 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)13 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%
- Anxiety51%
- Diabetes50%
- Depression49%
- Arthritis47%
Hospitals where Joseph Grzegorski works
Medicare's Facility Affiliation Data lists Joseph Grzegorski 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.
- Clifton Springs Hospital and ClinicClifton Springs, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330265
- Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300003
- Newark-Wayne Community HospitalNewark, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330030
Practice locations
Addresses where Joseph Grzegorski is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Medical Ctr DrLebanon, NH 03756 (603) 650‑5000
- 1200 Driving Park AveNewark, NY 14513 (315) 332‑2266
- 2 Coulter RdClifton Springs, NY 14432
Group practices
Medicare enrollment lists Joseph Grzegorski as a member of these groups (CMS data updated October 2, 2026).
- Dartmouth-Hitchcock Clinic1,472 clinicians in the group
- Clifton Springs Sanitarium Co221 clinicians in the group
- Newark Wayne Community Hospital132 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Lebanon
Clinicians with the same Medicare primary specialty in Lebanon, NH — not a recommendation.
Other clinicians in Dartmouth-Hitchcock Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114688520 |
| 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