Quick answers
- Does Steven T. Fischer accept Medicare assignment?
- Medicare's clinician data says Steven T. Fischer may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Steven T. Fischer see?
- In 2024, CMS data shows 212 Original Medicare patients and 356 services for Steven T. Fischer. This counts Original Medicare only and measures volume, not quality.
- What is Steven T. Fischer's NPI number?
- 1487431953. 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 Steven T. Fischer, 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 | 212 |
|---|---|
| Services billed to Medicare | 356 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Critical care, first 30-74 minutes (99291)140 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)35 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)26 services
- Ultrasonic guidance for blood vessel access (76937)25 services
- Critical care, each additional 30 minutes (99292)21 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 disease75%
- Arthritis71%
- Heart failure64%
- Chronic kidney disease51%
Hospitals where Steven T. Fischer works
Medicare's Facility Affiliation Data lists Steven T. Fischer 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.
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330332
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330286
- Ns/Lij HS Huntington HospitalHuntington, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330045
- Plainview HospitalPlainview, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330331
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330401
Practice locations
Addresses where Steven T. Fischer is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1000 Montauk HwyWest Islip, NY 11795 (516) 414‑4012
- 101 Saint Andrews LnGlen Cove, NY 11542 (516) 625‑1014
- 270 Park AveHuntington, NY 11743 (631) 351‑2356
- 4295 Hempstead TpkeBethpage, NY 11714 (516) 579‑6000
- 50 Route 25aSmithtown, NY 11787 (516) 625‑1014
Group practices
Medicare enrollment lists Steven T. Fischer as a member of these groups (CMS data updated October 2, 2026).
- North Shore-Lij Medical PC6,440 clinicians in the group
- Partners in Critical Care LLP28 clinicians in the group
- Physician Assistant Associate PLLC16 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in West Islip
Clinicians with the same Medicare primary specialty in West Islip, NY — not a recommendation.
Other clinicians in North Shore-Lij Medical PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1487431953 |
| 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