JACOB B NIENHUIS PH.D.
NPI 1982193256
Psychologist - Counseling in Ann Arbor, MI

Active since May 02, 2018PECOS EnrolledAccepts Medicare Assignment
4488 JACKSON RD STE 7B, ANN ARBOR, MI 48103(616) 856-0294 Get Directions Write a Review

NPPES record last updated: June 18, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 18, 2018, May 2, 2018 (2 updates tracked since 2018).

About Jacob B Nienhuis Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JACOB B NIENHUIS PH.D. (NPI 1982193256) is an individual counseling provider in Ann Arbor, Michigan, licensed in Michigan (6301016354) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS and is a graduate of University Of Louisville School Of Medicine (2014).

NPPES Registry Identity

NPI1982193256
Entity TypeIndividualMale
Primary Taxonomy103TC1900X
Provider Legal NameJACOB B NIENHUISCredential: PH.D.
Location Address4488 JACKSON RD STE 7BAnn Arbor, MI 48103
Mailing Address18 W Warner StYpsilanti, MI 48197-4709 · (616) 856-0294
Sole ProprietorYes
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2014
Enumeration DateMay 2, 2018
Last NPPES UpdateJune 18, 20182 updates tracked since enumeration
✔ NPI 1982193256 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · CounselingBehavioral Health & Social Service Providers
Taxonomy Code103TC1900X
License✔ Licensed in MI · 6301016354
Definition
A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.
4488 JACKSON RD STE 7B, Ann Arbor, MI 48103

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jacob B Nienhuis Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709110679
PECOS Enrollment IDI20190626002174
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jacob Nienhuis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychologist
300 68TH ST SE
Grand Rapids, MI 49548
  • Reassigned Medicare billing, Michigan enrollment
  • 135 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jacob Nienhuis's NPI number?

The NPI number for Jacob Nienhuis is 1982193256. It was assigned to this individual provider in the NPPES registry on May 2, 2018.

Where is Jacob Nienhuis located?

Jacob Nienhuis practices at 4488 Jackson Rd Ste 7B, Ann Arbor, MI 48103. The listed phone number is (616) 856-0294.

What is Jacob Nienhuis's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Counseling, with taxonomy code 103TC1900X.

Is Jacob Nienhuis enrolled in Medicare?

Yes. Jacob Nienhuis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jacob Nienhuis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Nienhuis reassigns Medicare benefits to Pine Rest Christian Mental Health Services (Grand Rapids, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jacob Nienhuis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jacob Nienhuis accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Oscar Insurance Company and Priority Health and 1 other insurer list Jacob Nienhuis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jacob Nienhuis was last updated on June 18, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.