John Vanarendonk, MD
NPI 1801833421 · Emergency Medicine Physician · Kalispell, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Vanarendonk, MD is a Emergency Medicine Physician provider in Kalispell, MT (NPI 1801833421).
Provider details
- NPI number
- 1801833421
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 6150 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
5 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (4)
- 315 W Madison AveChester, MT 59522-7801Phone: (406) 759-5181Fax: (406) 759-5799
- 805 Sunset BlvdConrad, MT 59425-1717Phone: (406) 271-3211Fax: (406) 271-3917
- 802 2nd St SeCut Bank, MT 59427-3329Phone: (406) 873-2251Fax: (406) 873-3118
- 640 Park AveShelby, MT 59474-1663Phone: (406) 434-3200
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2026-01-21
- Certified
- 2026-01-21
Frequently asked questions
- What is John Vanarendonk's NPI number?
- John Vanarendonk's National Provider Identifier (NPI) is 1801833421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Vanarendonk's specialty?
- John Vanarendonk is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Vanarendonk located?
- John Vanarendonk's practice location on file with NPPES is 310 Sunnyview Ln, Kalispell, MT 59901-3129.
- What is John Vanarendonk's phone number?
- The practice phone number listed in the NPPES registry for John Vanarendonk is (406) 752-1708.
- Does John Vanarendonk accept Medicare?
- John Vanarendonk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Vanarendonk's NPI active?
- Yes — John Vanarendonk's NPI (1801833421) is active in the NPPES registry as of the last update on 2026-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.