Katelyn Mahlum, FNP-C
NPI 1114703626 · Family Nurse Practitioner · Kalispell, MT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katelyn Mahlum, FNP-C is a Family Nurse Practitioner provider in Kalispell, MT (NPI 1114703626).
Provider details
- NPI number
- 1114703626
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 218598 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 850 Holt DrBigfork, MT 59911-6218Phone: (315) 447-7836
Registry dates
- Enumerated
- 2023-08-31
- Last updated
- 2025-03-20
- Certified
- 2025-03-20
Frequently asked questions
- What is Katelyn Mahlum's NPI number?
- Katelyn Mahlum's National Provider Identifier (NPI) is 1114703626, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katelyn Mahlum's specialty?
- Katelyn Mahlum is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katelyn Mahlum located?
- Katelyn Mahlum's practice location on file with NPPES is 1205 S Main St, Kalispell, MT 59901-5639.
- What is Katelyn Mahlum's phone number?
- The practice phone number listed in the NPPES registry for Katelyn Mahlum is (877) 522-1275.
- Does Katelyn Mahlum accept Medicare?
- Katelyn Mahlum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katelyn Mahlum's NPI active?
- Yes — Katelyn Mahlum's NPI (1114703626) is active in the NPPES registry as of the last update on 2025-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.