Quick answers
- Which hospitals does Michelle Witkowski work at?
- Medicare's official clinician data lists Michelle Witkowski at 1 hospital: Ns/Lij HS Southside Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michelle Witkowski see patients?
- Medicare's clinician data lists 2 practice locations, including Bay Shore, NY. Call before your visit to confirm the address.
- What is Michelle Witkowski's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Michelle Witkowski accept Medicare assignment?
- Yes. Medicare's clinician data says Michelle Witkowski 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.
- Does Michelle Witkowski offer telehealth?
- Medicare's clinician data says Michelle Witkowski offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michelle Witkowski?
- (631) 968-3100, as listed in official Medicare / NPI Registry data.
- What is Michelle Witkowski's NPI number?
- 1871089862. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michelle Witkowski works
Medicare's Facility Affiliation Data lists Michelle Witkowski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · CCN 330043
Practice locations
Addresses where Michelle Witkowski is enrolled with Medicare (CMS data updated 2026-10-02).
- 301 E Main St, Bldg 211 17Bay Shore, NY 11706 (631) 968‑3100
- 39 Brentwood RdBay Shore, NY 11706 (631) 666‑5864
Group practices
Medicare enrollment lists Michelle Witkowski as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Bay Shore
Clinicians with the same Medicare primary specialty in Bay Shore, NY — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1871089862 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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