Quick answers
- Where does Maaike M. Wallenstein see patients?
- Medicare's clinician data lists 1 practice location in Grand Rapids, MI. Call before your visit to confirm the address.
- What is Maaike M. Wallenstein's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Maaike M. Wallenstein accept Medicare assignment?
- Yes. Medicare's clinician data says Maaike M. Wallenstein 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 Maaike M. Wallenstein?
- (732) 813-0799, as listed in official Medicare / NPI Registry data.
- What is Maaike M. Wallenstein's NPI number?
- 1467022475. 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 Maaike M. Wallenstein is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Ottawa Ave NW Fl, 5 Base of OperationsGrand Rapids, MI 49503 (732) 813‑0799
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467022475 |
| 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