MRS. JANINE MARIE KERKSTRA PAC
NPI 1851440424
Physician Assistant - Medical in Holland, MI
About Mrs. Janine Marie Kerkstra Pac NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. JANINE MARIE KERKSTRA PAC (NPI 1851440424) is an individual medical provider in Holland, Michigan, licensed in Michigan (5601004513) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Janine Marie Kerkstra Pac 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIUniversity Of Michigan Health - West
Acute Care Hospitals · Wyoming, MIOther Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Janine Kerkstra's NPI number?
The NPI number for Janine Kerkstra is 1851440424. It was assigned to this individual provider in the NPPES registry on January 10, 2007. The provider is also known as Miss Janine Marie Waltereit Pac.
Where is Janine Kerkstra located?
Janine Kerkstra practices at 503 Century Ln Suite 2, Holland, MI 49423. The listed phone number is (616) 295-8284.
What is Janine Kerkstra's specialty?
The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.
Is Janine Kerkstra enrolled in Medicare?
Yes. Janine Kerkstra 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.
What insurance does Janine Kerkstra accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Janine Kerkstra 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.
Is Janine Kerkstra affiliated with any hospitals?
According to CMS data, Janine Kerkstra is affiliated with Spectrum Health and University Of Michigan Health - West.
When was this NPI record last updated?
The NPPES record for Janine Kerkstra was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.
# Mrs. Janine Marie Kerkstra, PAC · NPI 1851440424
Medical physician in Holland, Michigan. Individual provider, active in the CMS NPPES registry since January 10, 2007.
## Identity
- **NPI:** 1851440424 (Entity type: Individual)
- **Enumerated:** January 10, 2007
- **Primary specialty:** Physician Assistant - Medical · taxonomy 363AM0700X
- **State license:** 5601004513 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 503 CENTURY LN, SUITE 2, Holland, MI 49423
- **Phone:** (616) 295-8284 · **Fax:** (616) 834-0446
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** August 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851440424) · Data from the CMS NPPES public registry.