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KATELYN MAHLUM FNP-C
NPI 1114703626
Nurse Practitioner - Family in Kalispell, MT

Active since August 31, 2023PECOS Enrolled
1205 S MAIN ST, KALISPELL, MT 59901(877) 522-1275(509) 491-3031 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 20, 2025, Mar 10, 2025, Aug 31, 2023 (3 updates tracked since 2023).

About Katelyn Mahlum Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATELYN MAHLUM FNP-C (NPI 1114703626) is an individual family provider in Kalispell, Montana, licensed in Montana (218598) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Bigfork.

NPPES Registry Identity

NPI1114703626
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKATELYN MAHLUMCredential: FNP-C
Location Address1205 S MAIN STKalispell, MT 59901-5639
Mailing Address500 Sw 7th St Ste A205Renton, WA 98057-2983 · (315) 447-7836
Phone(877) 522-1275
Fax(509) 491-3031
Sole ProprietorNo
Enumeration DateAugust 31, 2023
Last NPPES UpdateMarch 20, 20253 updates tracked since enumeration
NPPES CertifiedMarch 20, 2025
✔ NPI 1114703626 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MT · 218598
1205 S MAIN ST, Kalispell, MT 59901
Open in Google Maps ↗

Secondary Practice Location 1

Location 1850 Holt DrBigfork, MT 59911-6218 · Phone (315) 447-7836

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, PacificSource Health Plans.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katelyn Mahlum Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Katelyn Mahlum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ideal Option, PLLC
268 mi
Clinic/Center
8508 W GAGE BLVD STE A101
Kennewick, WA 99336
  • Reassigned Medicare billing, Montana enrollment
  • 34 clinicians in this Medicare group
NPI 1457788275 (877) 522-1275
Ideal Telemedicine Services, LLC
371 mi
Clinic/Center
500 SW 7TH ST STE A205
Renton, WA 98057
  • Reassigned Medicare billing, Montana enrollment
  • 32 clinicians in this Medicare group
NPI 1346754868 (877) 522-1275

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.

New Patient
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

IDEAL TELEMEDICINE SERVICES LLC
Clinic/Center
1205 S MAIN ST
KALISPELL, MT 59901
Flathead County (877) 522-1275
IDEAL OPTION, PLLC
Clinic/Center
1205 S MAIN ST
KALISPELL, MT 59901
Flathead County (877) 522-1275

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 Katelyn Mahlum's NPI number?

The NPI number for Katelyn Mahlum is 1114703626. It was assigned to this individual provider in the NPPES registry on August 31, 2023.

Where is Katelyn Mahlum located?

Katelyn Mahlum practices at 1205 S Main St, Kalispell, MT 59901. The listed phone number is (877) 522-1275.

What is Katelyn Mahlum's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Katelyn Mahlum enrolled in Medicare?

Yes. Katelyn Mahlum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katelyn Mahlum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katelyn Mahlum reassigns Medicare benefits to 2 organizations: Ideal Option, PLLC (Kennewick, WA) and Ideal Telemedicine Services, LLC (Renton, WA). 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 Katelyn Mahlum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katelyn Mahlum accept?

Health plans from Blue Cross and Blue Shield of Montana and PacificSource Health Plans list Katelyn Mahlum 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 Katelyn Mahlum was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.