Quick answers
- Does Alex S. Fierstein accept Medicare assignment?
- Yes. Medicare's clinician data says Alex S. Fierstein 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 Alex S. Fierstein see?
- In 2024, CMS data shows 465 Original Medicare patients and 1,995 services for Alex S. Fierstein. This counts Original Medicare only and measures volume, not quality.
- What is Alex S. Fierstein's NPI number?
- 1598392565. 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 Alex S. Fierstein, 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 | 465 |
|---|---|
| Services billed to Medicare | 1,995 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)630 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)233 services
- Annual depression screening, 5 to 15 minutes (G0444)180 services
- Administration of a standardized, evidence-based social determinants of health risk assessment tool, 5-15 minutes (G0136)148 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)133 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 pressure74%
- Arthritis40%
- Chronic kidney disease29%
- Diabetes27%
- Ischemic heart disease26%
Hospitals where Alex S. Fierstein works
Medicare's Facility Affiliation Data lists Alex S. Fierstein 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.
- Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390111
- Jefferson Lansdale HospitalLansdale, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390012
- St Luke's Hospital - Grand View CampusSellersville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390057
Practice locations
Addresses where Alex S. Fierstein is enrolled with Medicare (CMS data updated October 2, 2026).
- 826 N Broad StLansdale, PA 19446 (215) 855‑1054
Group practices
Medicare enrollment lists Alex S. Fierstein as a member of this group (CMS data updated October 2, 2026).
- Green and Seidner Family Practice Associates PC11 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Lansdale
Clinicians with the same Medicare primary specialty in Lansdale, PA — not a recommendation.
Other clinicians in Green and Seidner Family Practice Associates PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598392565 |
| 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