Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Michael I. Weitzen, DO

Works at hospitals in Sleepy Hollow, NY · New York

Summary

Michael I. Weitzen, DO (General Surgery) is listed by Medicare at 1 hospital in Sleepy Hollow, NY. NPI 1255350054. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael I. Weitzen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

General SurgeryPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
University Of Kansas School Of Med (kc/wich/sal)Medical school
MaleGender (as listed)
North Shore-Lij Medical PCGroup practice

Quick answers

Which hospitals does Michael I. Weitzen work at?
Medicare's official clinician data lists Michael I. Weitzen at 1 hospital: Phelps Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael I. Weitzen see patients?
Medicare's clinician data lists 1 practice location in Sleepy Hollow, NY. Call before your visit to confirm the address.
What is Michael I. Weitzen's specialty?
Medicare lists General Surgery as the primary specialty.
Does Michael I. Weitzen accept Medicare assignment?
Yes. Medicare's clinician data says Michael I. Weitzen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Michael I. Weitzen?
(914) 366-3000, as listed in official Medicare / NPI Registry data.
What is Michael I. Weitzen's NPI number?
1255350054. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael I. Weitzen works

Medicare's Facility Affiliation Data lists Michael I. Weitzen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Michael I. Weitzen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael I. Weitzen as a member of this group (CMS data updated 2026-10-02).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other General Surgery doctors in New York →

Other general surgeons in Sleepy Hollow

Clinicians with the same Medicare primary specialty in Sleepy Hollow, NY — not a recommendation.

All general surgeons in Sleepy Hollow →

Clinician information

CredentialDO
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255350054
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians