Quick answers
- Does Ellen S. Naidorf accept Medicare assignment?
- Yes. Medicare's clinician data says Ellen S. Naidorf 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 Ellen S. Naidorf see?
- In 2024, CMS data shows 545 Original Medicare patients and 1,854 services for Ellen S. Naidorf. This counts Original Medicare only and measures volume, not quality.
- What is Ellen S. Naidorf's NPI number?
- 1568488294. 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 Ellen S. Naidorf, 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 | 545 |
|---|---|
| Services billed to Medicare | 1,854 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)437 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)388 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)331 services
- Destruction of skin growth, 1-14 growths (17110)149 services
- Destruction of precancer skin growth, 1 growth (17000)121 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 pressure57%
- Arthritis41%
- Osteoporosis23%
- Ischemic heart disease22%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%
Practice locations
Addresses where Ellen S. Naidorf is enrolled with Medicare (CMS data updated October 2, 2026).
- 22 Long Ridge RdStamford, CT 06905 (203) 964‑1103
Specialties
- Dermatologyprimary
Other dermatologists in Stamford
Clinicians with the same Medicare primary specialty in Stamford, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Columbia University College Of Physicians And Surgeons |
| Graduation year | 1975 (51 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1568488294 |
| 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