Katelyn Mahlum, FNP-C
Family Nurse Practitioner · Kalispell, MT
Katelyn Mahlum, FNP-C is a family nurse practitioner with a practice address in Kalispell, Montana, and NPI 1114703626, issued on Aug 31, 2023. Check the license (Montana 218598, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katelyn Mahlum
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 218598 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1205 S Main St, Kalispell, MT 59901
- Phone
- (877) 522-1275
- Enumerated
- Aug 31, 2023
- Record last updated
- Mar 20, 2025
- Fax
- (509) 491-3031
- Medicare enrollment
- Enrolled (PECOS I20240829000524); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 815 in Montana → Look up another NPI →
Verify Katelyn Mahlum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 218598Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Ideal Option PLLCKalispell, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katelyn Mahlum among 815 family nurse practitioner records in Montana
Katelyn Mahlum, FNP-C is one of 815 family nurse practitioner records with a practice address in Montana. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 84% of them.
- NPI issued2023 · 84% of these records are older, 11% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2023 · median 2018 among the 505 with a school on file
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
73 family nurse practitioner records list a practice address in Kalispell
They are 73 of the 1,650 NPPES records with a practice address in Kalispell, and 815 family nurse practitioner records in Montana.
All 815 in Montana → Every provider in Kalispell → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Valerie Beebe, APRN, BCKalispell, MT 599011306866157
- Gelene Berkram, FNPKalispell, MT 599011922068758
- Erika Decree, CRNPKalispell, MT 599011184653248
- Karen Heberling, F.N.P., NP-CKalispell, MT 599011750372637
- Michael Heilman, FNPKalispell, MT 599011316993546
- Kimberly Longcake, ANPKalispell, MT 599011891990081
- Dawn Murray, MSN, FNP-CKalispell, MT 599011457336471
- Amy Nightengale, ARNP BCKalispell, MT 599011306876933
Common questions
What is Katelyn Mahlum, FNP-C's NPI number?
Katelyn Mahlum, FNP-C's National Provider Identifier (NPI) is 1114703626, issued on Aug 31, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katelyn Mahlum, FNP-C located?
The NPPES record lists a practice address at 1205 S Main St, Kalispell, MT, 59901. Phone: (877) 522-1275. Providers update this record themselves, so call before visiting.
How can I verify Katelyn Mahlum, FNP-C's license?
NPPES lists Montana license number 218598, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.