Quick answers
- Where does Jacob B. Nienhuis see patients?
- Medicare's clinician data lists 1 practice location in Grand Rapids, MI. Call before your visit to confirm the address.
- What is Jacob B. Nienhuis's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Jacob B. Nienhuis accept Medicare assignment?
- Yes. Medicare's clinician data says Jacob B. Nienhuis 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 Jacob B. Nienhuis?
- (616) 956-9619, as listed in official Medicare / NPI Registry data.
- What is Jacob B. Nienhuis's NPI number?
- 1982193256. 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 Jacob B. Nienhuis is enrolled with Medicare (CMS data updated 2026-10-02).
- 1870 Leonard NE, Pine Rest Christian Counseling CenterGrand Rapids, MI 49505 (616) 956‑9619
Group practices
Medicare enrollment lists Jacob B. Nienhuis as a member of this group (CMS data updated 2026-10-02).
- Pine Rest Christian Mental Health Services353 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Medical school | University Of Louisville School Of Medicine |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982193256 |
| 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