DR. KATHRYN MULDER DEJONGE O.D.
NPI 1821147646
Optometrist in Holland, MI
About Dr. Kathryn Mulder Dejonge O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHRYN MULDER DEJONGE O.D. (NPI 1821147646) is an individual optometrist in Holland, Michigan, licensed in Michigan (4901004253) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (2004).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Dr. Kathryn Mulder Dejonge O.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.
Medicare Billing Reassignment
Medicare enrollment records show Kathryn Dejonge reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Holland, MI 49423
- Reassigned Medicare billing, Michigan enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49423 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Kathryn Dejonge's NPI number?
The NPI number for Kathryn Dejonge is 1821147646. It was assigned to this individual provider in the NPPES registry on January 10, 2007. The provider is also known as Dr. Kathryn Lynn Mulder O.D..
Where is Kathryn Dejonge located?
Kathryn Dejonge practices at 855 Washington Ave, Holland, MI 49423. The listed phone number is (616) 395-2020.
What is Kathryn Dejonge's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Kathryn Dejonge enrolled in Medicare?
Yes. Kathryn Dejonge 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 Kathryn Dejonge's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Dejonge reassigns Medicare benefits to West Coast Eyecare PLLC (Holland, 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 Kathryn Dejonge's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathryn Dejonge accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 9 other insurers list Kathryn Dejonge 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 Kathryn Dejonge was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.