Quick answers
- Does Allen J. Wiesenfeld accept Medicare assignment?
- Yes. Medicare's clinician data says Allen J. Wiesenfeld 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 Allen J. Wiesenfeld see?
- In 2024, CMS data shows 170 Original Medicare patients and 7,312 services for Allen J. Wiesenfeld. This counts Original Medicare only and measures volume, not quality.
- What is Allen J. Wiesenfeld's NPI number?
- 1023044831. 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 Allen J. Wiesenfeld, 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 | 170 |
|---|---|
| Services billed to Medicare | 7,312 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)6,790 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)112 services
- Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist (36902)84 services
- Balloon dilation of dialysis segment with review by radiologist (36907)48 services
- Insertion of tube into chest or arm artery, each first order branch (36215)42 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%
- Diabetes75%
- Chronic kidney disease75%
- Ischemic heart disease64%
- Heart failure62%
Practice locations
Addresses where Allen J. Wiesenfeld is enrolled with Medicare (CMS data updated October 2, 2026).
- 15 Grumman Rd W, Suite 1400Bethpage, NY 11714
- 2800 Marcus AveLake Success, NY 11042
- 2800 Marcus AveNew Hyde Park, NY 11042
- 40 Valley Stream PkwyMalvern, PA 19355
Specialties
- Interventional Radiologyprimary
Other interventional radiologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023044831 |
| 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