Quick answers
- Does Menachem M. Walfish accept Medicare assignment?
- Yes. Medicare's clinician data says Menachem M. Walfish 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 Menachem M. Walfish see?
- In 2024, CMS data shows 416 Original Medicare patients and 434 services for Menachem M. Walfish. This counts Original Medicare only and measures volume, not quality.
- What is Menachem M. Walfish's NPI number?
- 1245439843. 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 Menachem M. Walfish, 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 | 416 |
|---|---|
| Services billed to Medicare | 434 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Anesthesia for other procedure on large bowel using an endoscope (00811)194 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)107 services
- Anesthesia for exam of colon using an endoscope (00812)82 services
- Anesthesia for procedure on small and large bowel using an endoscope (00813)51 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%
- Arthritis49%
- Diabetes47%
- Ischemic heart disease36%
- Osteoporosis21%
Practice locations
Addresses where Menachem M. Walfish is enrolled with Medicare (CMS data updated October 2, 2026).
Group practices
Medicare enrollment lists Menachem M. Walfish as a member of this group (CMS data updated October 2, 2026).
- New York University6,134 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in New York University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245439843 |
| 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