Registry data as of Aug 27, 2026

Mariah Dempsey, RN

Registered Nurse · Arlee, MT

Mariah Dempsey, RN is a registered nurse with a practice address in Arlee, Montana, and NPI 1487126249, issued on Dec 18, 2018. Check the license (Montana 38812, as entered in NPPES) with the Montana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1487126249
Name
Mariah Dempsey
Credential
RN
Primary taxonomy
Registered Nurse 163W00000X
License number
38812 MT
Self-reported in NPPES; status is on the state search
Practice location
71972 Bitterroot Jim RD, Arlee, MT 59821
Phone
(406) 745-3525
Enumerated
Dec 18, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 71972 Bitterroot Jim RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elena Hesse, FNP-CNurse Practitioner1013776962

Verify Mariah Dempsey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license 38812
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

3 registered nurse records list a Arlee practice address

They are 3 of the 16 NPPES records with a Arlee practice address, and 605 registered nurse records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other registered nurse records in Montana

  1. Olivia AbdallahBillings, MT1235000910
  2. Catherine Addison, R.N.Polson, MT1245582022
  3. Stefan AlinteBillings, MT1518899053
  4. Kimberly Allen, RNWolf Point, MT1326701491
  5. Amanda AndersonCrow Agency, MT1891162426
  6. Andrea AndersonJoliet, MT1154121226
  7. Bonnie Anderson, RNBillings, MT1295029783
  8. Kayleigh Anderson, APRNMissoula, MT1235808338
  9. Kiersten Anderson, RNPlentywood, MT1528944089
  10. Mechelle Anderson, RNKalispell, MT1376989947

Common questions

What is Mariah Dempsey, RN's NPI number?

Mariah Dempsey, RN's National Provider Identifier (NPI) is 1487126249, issued on Dec 18, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mariah Dempsey, RN located?

The NPPES record lists a practice address at 71972 Bitterroot Jim RD, Arlee, MT, 59821. Phone: (406) 745-3525. Providers update this record themselves, so call before visiting.

How can I verify Mariah Dempsey, RN's license?

NPPES lists Montana license number 38812, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.