Quick answers
- Which hospitals does Lesley A. Fein work at?
- Medicare's official clinician data lists Lesley A. Fein at 2 hospitals: Hackensack University Medical Center and Morristown Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lesley A. Fein see patients?
- Medicare's clinician data lists 1 practice location in West Caldwell, NJ. Call before your visit to confirm the address.
- What is Lesley A. Fein's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Lesley A. Fein accept Medicare assignment?
- Medicare's clinician data says Lesley A. Fein may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Lesley A. Fein's NPI number?
- 1568535664. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lesley A. Fein works
Medicare's Facility Affiliation Data lists Lesley A. Fein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · CCN 310001
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
Practice locations
Addresses where Lesley A. Fein is enrolled with Medicare (CMS data updated 2026-10-02).
- 1099 Bloomfield AveWest Caldwell, NJ 07006
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1984 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1568535664 |
| 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