Quick answers
- Does Marlee F. Zweifach accept Medicare assignment?
- Yes. Medicare's clinician data says Marlee F. Zweifach 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 Marlee F. Zweifach see?
- In 2024, CMS data shows 36 Original Medicare patients and 386 services for Marlee F. Zweifach. This counts Original Medicare only and measures volume, not quality.
- What is Marlee F. Zweifach's NPI number?
- 1114097466. 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 Marlee F. Zweifach, 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 | 36 |
|---|---|
| Services billed to Medicare | 386 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Therapy procedure reassessment for nutrition management, each 15 minutes (97803)155 services
- Therapy procedure for nutrition management, each 15 minutes (97802)116 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 disease50%
- Ischemic heart disease42%
- Arthritis39%
Practice locations
Addresses where Marlee F. Zweifach is enrolled with Medicare (CMS data updated October 2, 2026).
- 155 Garth Rd, Apt 3dScarsdale, NY 10583 (917) 902‑7133
Specialties
Find other clinicians: Registered Dietitian or Nutrition Professional, New York →
Other dietitians in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MNT |
|---|---|
| School | University Of California, Davis School Of Medicine |
| Graduation year | 1984 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114097466 |
| 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