Quick answers
- Does Melissa R. Sapan accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa R. Sapan 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 Melissa R. Sapan see?
- In 2024, CMS data shows 2,804 Original Medicare patients and 105,129 services for Melissa R. Sapan. This counts Original Medicare only and measures volume, not quality.
- What is Melissa R. Sapan's NPI number?
- 1487654885. 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 Melissa R. Sapan, 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 | 2,804 |
|---|---|
| Services billed to Medicare | 105,129 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, gadoterate meglumine, 0.1 ml (A9575)93,850 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)7,644 services
- Mri scan of lower spinal canal without contrast (72148)667 services
- Mri scan of brain without contrast (70551)504 services
- Mri scan of brain before and after contrast (70553)425 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%
- Arthritis68%
- Ischemic heart disease40%
- Diabetes35%
- Anxiety31%
Practice locations
Addresses where Melissa R. Sapan is enrolled with Medicare (CMS data updated October 2, 2026).
- 150 Sunrise Hwy, Suite ELindenhurst, NY 11757 (631) 225‑7200
Group practices
Medicare enrollment lists Melissa R. Sapan as a member of this group (CMS data updated October 2, 2026).
- Zwanger and Pesiri Radiology Group LLP93 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Lindenhurst
Clinicians with the same Medicare primary specialty in Lindenhurst, NY — not a recommendation.
Other clinicians in Zwanger and Pesiri Radiology Group LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Chicago College Of Medicine And Surgery |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487654885 |
| 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