JOHN V VANARENDONK MD
NPI 1801833421
Emergency Medicine in Kalispell, MT
About John V Vanarendonk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN V VANARENDONK MD (NPI 1801833421) is an individual emergency medicine provider in Kalispell, Montana, licensed in Montana (6150) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John V Vanarendonk Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show John Vanarendonk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kalispell, MT 59901
- Reassigned Medicare billing, Montana enrollment
- 483 clinicians in this Medicare group
Choteau, MT 59422
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Logan Health - Conrad
- 64 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
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 John Vanarendonk's NPI number?
The NPI number for John Vanarendonk is 1801833421. It was assigned to this individual provider in the NPPES registry on June 1, 2006.
Where is John Vanarendonk located?
John Vanarendonk practices at 310 Sunnyview Ln Emergency Dept, Kalispell, MT 59901. The listed phone number is (406) 752-1708.
What is John Vanarendonk's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Vanarendonk enrolled in Medicare?
Yes. John Vanarendonk is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Vanarendonk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Vanarendonk reassigns Medicare benefits to 2 organizations: Kalispell Regional Medical Center, Inc (Kalispell, MT) and Pondera Medical Center (Choteau, MT). Each 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 John Vanarendonk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Vanarendonk was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# John V Vanarendonk, MD · NPI 1801833421
Emergency Medicine physician in Kalispell, Montana. Individual provider, active in the CMS NPPES registry since June 1, 2006.
## Identity
- **NPI:** 1801833421 (Entity type: Individual)
- **Enumerated:** June 1, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 6150 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 310 SUNNYVIEW LN, EMERGENCY DEPT, Kalispell, MT 59901-3129
- **Phone:** (406) 752-1708 · **Fax:** (406) 755-0971
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Kalispell Regional Medical Center, Inc (NPI 1093477176, Kalispell, MT); Pondera Medical Center (NPI 1326138579, Choteau, MT) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 21, 2026
- **Other identifiers:** Medicaid 152728 (MT); Other 93126 (MT)
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Source: [NPI Profile](https://npiprofile.com/npi/1801833421) · Data from the CMS NPPES public registry.