Quick answers
- Does Susan P. Welgrin accept Medicare assignment?
- Yes. Medicare's clinician data says Susan P. Welgrin 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 Susan P. Welgrin see?
- In 2024, CMS data shows 551 Original Medicare patients and 1,898 services for Susan P. Welgrin. This counts Original Medicare only and measures volume, not quality.
- What is Susan P. Welgrin's NPI number?
- 1518970888. 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 Susan P. Welgrin, 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 | 551 |
|---|---|
| Services billed to Medicare | 1,898 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)934 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)150 services
- Insertion of needle into vein for collection of blood sample (36415)133 services
- Bacterial culture, any other source except urine, blood or stool, aerobic (87070)129 services
- Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (87880)129 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 pressure71%
- Arthritis42%
- Ischemic heart disease27%
- Diabetes19%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%
Practice locations
Addresses where Susan P. Welgrin is enrolled with Medicare (CMS data updated October 2, 2026).
- 465 Willis AveWilliston Park, NY 11596 (516) 294‑3535
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Williston Park
Clinicians with the same Medicare primary specialty in Williston Park, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518970888 |
| 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