NPPES file of Aug 9, 2026

Melissa Dawn Williamson

Psychiatric/Mental Health Nurse Practitioner · Butte, MT

Melissa Dawn Williamson is a psychiatric/mental health nurse practitioner with a practice address in Butte, Montana, and NPI 1801734611, issued on Mar 23, 2026. Check the license (Montana NUR-APRN-LIC-287031, 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
1801734611
Name
Melissa Dawn Williamson
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
NUR-APRN-LIC-287031 MT
Self-reported in NPPES; status is on the state search
Practice location
PO Box 4832, Butte, MT 59702
Phone
(406) 498-8311
Enumerated
Mar 23, 2026
Record last updated
Mar 23, 2026
Medicare enrollment
Enrolled (PECOS I20260601001034); 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 Melissa Dawn Williamson 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-287031    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

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Melissa Dawn Williamson among 243 psychiatric/mental health nurse practitioner records in Montana

Melissa Dawn Williamson 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 2026, is newer than 94% of them.

  • NPI issued2026 · 94% of these records are older, 0% newer
  • In a Medicare fileNo · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2025 · median 2020 among the 138 with a school on file
  • Record last updated2026 · 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).

13 psychiatric/mental health nurse practitioner records list a practice address in Butte

They are 13 of the 744 NPPES records with a practice address in Butte, 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 Butte → Psychiatric/Mental Health Nurse Practitioner nationwide →

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

  1. Robin Becker, PMHNP-BCButte, MT 597011851761662
  2. Danielle Bertram, APRNButte, MT 597011457699498
  3. Krista Bryson, PMHNP-BCButte, MT 597011659141174
  4. Eleanor Combs, PMHNP-BCButte, MT 597011023586377
  5. Amber Dayhuff, NPButte, MT 597011861849549
  6. Sherrie Eaves, PMHNP-BCButte, MT 597011518711951
  7. Elizabeth Hollingsworth, PMHNP-BCButte, MT 597011215695325
  8. Kindra Parks, MSN, APRN, PMHNP-BCButte, MT 597011225621113

Common questions

What is Melissa Dawn Williamson's NPI number?

Melissa Dawn Williamson's National Provider Identifier (NPI) is 1801734611, issued on Mar 23, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Dawn Williamson located?

The NPPES record lists a practice address at PO Box 4832, Butte, MT, 59702. Phone: (406) 498-8311. Providers update this record themselves, so call before visiting.

How can I verify Melissa Dawn Williamson's license?

NPPES lists Montana license number NUR-APRN-LIC-287031, 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.