NPPES file of Aug 9, 2026

Karessa Mae Sims

Psychiatric/Mental Health Nurse Practitioner · Colstrip, MT

Karessa Mae Sims is a psychiatric/mental health nurse practitioner with a practice address in Colstrip, Montana, and NPI 1033930359, issued on Oct 19, 2024. Check the license (Montana NUR-APRN-LIC-243612, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033930359
Name
Karessa Mae Sims
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
NUR-APRN-LIC-243612 MT
NUR-RN-LIC-48574 MT
Self-reported in NPPES; status is on the state search
Practice location
PO Box 2254, Colstrip, MT 59323
Phone
(406) 529-1024
Enumerated
Oct 19, 2024
Record last updated
Oct 19, 2024
Medicare enrollment
Enrolled (PECOS I20260409001879); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 243 in Montana → Look up another NPI →

Verify Karessa Mae Sims 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 NUR-APRN-LIC-243612    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
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Karessa Mae Sims among 243 psychiatric/mental health nurse practitioner records in Montana

Karessa Mae Sims is one of 243 psychiatric/mental health nurse practitioner records with a practice address in Montana. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 77% of them.

  • NPI issued2024 · 77% of these records are older, 14% newer
  • In a Medicare fileNo · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2023 · median 2020 among the 138 with a school on file
  • Record last updated2024 · 28% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 psychiatric/mental health nurse practitioner record lists a practice address in Colstrip

They are 1 of the 13 NPPES records with a practice address in Colstrip, and 243 psychiatric/mental health nurse practitioner records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 243 in Montana → Every provider in Colstrip → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Shelley Rickett, NURSE PRACTITIONERForsyth, MT 593271437510807
  2. Carolyn Johnson, APRN, PMHNPGlendive, MT 593301205107448
  3. Julie Linsenmeyer, CNPGlendive, MT 593301710944335
  4. Ruthann Rafacz, NPGlendive, MT 593301063739704
  5. Candice Shaikh, APRN, PMHNP-BCGlendive, MT 593301356237713
  6. Denita HardingMiles City, MT 593011982205225
  7. Nikki Kerr, NP-CMiles City, MT 593011578955597
  8. Eleanor Lavin, APRN,BC,CNSMiles City, MT 593011477617421

Common questions

What is Karessa Mae Sims's NPI number?

Karessa Mae Sims's National Provider Identifier (NPI) is 1033930359, issued on Oct 19, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Karessa Mae Sims located?

The NPPES record lists a practice address at PO Box 2254, Colstrip, MT, 59323. Phone: (406) 529-1024. Providers update this record themselves, so call before visiting.

How can I verify Karessa Mae Sims's license?

NPPES lists Montana license number NUR-APRN-LIC-243612, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.