Quick answers
- Where does Maryellen Klaiber see patients?
- Medicare's clinician data lists 1 practice location in Amityville, NY. Call before your visit to confirm the address.
- What is Maryellen Klaiber's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Maryellen Klaiber accept Medicare assignment?
- Medicare's clinician data says Maryellen Klaiber may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Maryellen Klaiber?
- (631) 608-5149, as listed in official Medicare / NPI Registry data.
- What is Maryellen Klaiber's NPI number?
- 1821206202. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Maryellen Klaiber is enrolled with Medicare (CMS data updated 2026-10-02).
- 400 Sunrise HwyAmityville, NY 11701 (631) 608‑5149
Group practices
Medicare enrollment lists Maryellen Klaiber as a member of this group (CMS data updated 2026-10-02).
- The Long Island Home23 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Amityville
Clinicians with the same Medicare primary specialty in Amityville, NY — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1821206202 |
| 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 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