Quick answers
- Does Adam G. Grupka accept Medicare assignment?
- Yes. Medicare's clinician data says Adam G. Grupka 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 Adam G. Grupka see?
- In 2024, CMS data shows 1,871 Original Medicare patients and 3,234 services for Adam G. Grupka. This counts Original Medicare only and measures volume, not quality.
- What is Adam G. Grupka's NPI number?
- 1477892552. 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 Adam G. Grupka, 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 | 1,871 |
|---|---|
| Services billed to Medicare | 3,234 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Telephone medical discussion with physician, 11-20 minutes (99442)3,117 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)60 services
- Telephone medical discussion with physician, 5-10 minutes (99441)38 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%
- Diabetes64%
- Depression61%
- Alzheimer's disease or dementia58%
- Arthritis52%
Hospitals where Adam G. Grupka works
Medicare's Facility Affiliation Data lists Adam G. Grupka 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.
- Sisters of Charity HospitalBuffalo, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330078
Practice locations
Addresses where Adam G. Grupka is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 31; the Medicare profile lists all.
- 1 Long Beach RdIsland Park, NY 11558 (646) 296‑1508
- 10 Veterans Memorial DrMilford, MA 01757 (508) 473‑6414
- 100 Baldwin RdHempstead, NY 11550 (646) 296‑1508
- 1205 Delaware AveBuffalo, NY 14209 (646) 296‑1508
- 1312 Caton AveBrooklyn, NY 11226 (718) 693‑7000
Group practices
Medicare enrollment lists Adam G. Grupka as a member of these groups (CMS data updated October 2, 2026).
- Sisters of Charity Hospital of Buffalo New York164 clinicians in the group
- Mill Basin Medical Health PC111 clinicians in the group
- Ma SNF on Call PLLC13 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Island Park
Clinicians with the same Medicare primary specialty in Island Park, NY — not a recommendation.
Other clinicians in Sisters of Charity Hospital of Buffalo New York
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477892552 |
| 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