Quick answers
- Does Adam D. Fiterstein accept Medicare assignment?
- Medicare's clinician data says Adam D. Fiterstein may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Adam D. Fiterstein see?
- In 2024, CMS data shows 301 Original Medicare patients and 574 services for Adam D. Fiterstein. This counts Original Medicare only and measures volume, not quality.
- What is Adam D. Fiterstein's NPI number?
- 1215995055. 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 D. Fiterstein, 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 | 301 |
|---|---|
| Services billed to Medicare | 574 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)222 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)82 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)75 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)68 services
- Automated urinalysis test (81003)33 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 cholesterol75%
- High blood pressure70%
- Arthritis50%
- Ischemic heart disease32%
- Diabetes27%
- Anxiety25%
Practice locations
Addresses where Adam D. Fiterstein is enrolled with Medicare (CMS data updated October 2, 2026).
- 254 -21 Nassau BlvdLittle Neck, NY 11362 (917) 563‑1660
- 255 Union TurnpikeGlen Oaks, NY 11004 (516) 622‑6196
Group practices
Medicare enrollment lists Adam D. Fiterstein as a member of this group (CMS data updated October 2, 2026).
- Optum Urgent Care PLLC68 clinicians in the group
Specialties
- Emergency Medicineprimary
- Internal Medicinealso
Other emergency medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Other clinicians in Optum Urgent Care PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1215995055 |
| 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
- 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