NPPES file of Aug 9, 2026

Amanda O'Neil Mackinnon, PSYD

Psychologist · Great Falls, MT

Amanda O'Neil Mackinnon, PSYD is a psychologist with a practice address in Great Falls, Montana, and NPI 1861633729, issued on Mar 23, 2009. Check the license (Montana 5584, 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
1861633729
Name
Amanda O'Neil Mackinnon
Credential
PSYD
Primary taxonomy
Psychologist 103T00000X
License numbers
5584 MT
22582 CA
Self-reported in NPPES; status is on the state search
Practice location
425 Smelter Ave NE, Great Falls, MT 59404
Phone
(406) 247-7130
Enumerated
Mar 23, 2009
Record last updated
Oct 2, 2025
Medicare enrollment
Enrolled (PECOS I20251107002849); 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 psychologist records → All 98 in Montana → Look up another NPI →

Also registered at 425 Smelter Ave NE

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

  1. Susan Altona, REGISTERED NURSECommunity Health Registered Nurse1063115434
  2. Sharmaine Benally, MSWSocial Worker1821161845
  3. Bridget Brennan, M.D.Emergency Medicine Physician1528020468
  4. Abbie Collins, PNP-PCPediatric Nurse Practitioner1346849817
  5. Toni Denny, RNRegistered Nurse1194501049
  6. Taylor Johnson, PCLCMental Health Counselor1588442925

Verify Amanda O'Neil Mackinnon 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 5584    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.

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Amanda O'Neil Mackinnon among 98 psychologist records in Montana

Amanda O'Neil Mackinnon, PSYD is one of 98 psychologist records with a practice address in Montana. 9% 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 2009, is newer than 61% of them.

  • NPI issued2009 · 61% of these records are older, 36% newer
  • In a Medicare fileNo · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 29% of these records are
  • Graduated2021 · median 2003 among the 28 with a school on file
  • Record last updated2025 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Montana

There are 98 psychologist records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 98 in Montana → Every provider in Great Falls → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Brook Clark, PH.D.Great Falls, MT 594051831766146
  2. John Hamilton, PHDGreat Falls, MT 594051275838161
  3. Pete Stivers, PHDGreat Falls, MT 594051669534814
  4. Laurie Harper, PH.D.Malmstrom Afb, MT 594021568615953
  5. Tyler McDanielGreat Falls, MT 594021558829408
  6. Emily SkinnerMalmstrom Afb, MT 594021760790950
  7. Scott Sonnek, PH.D.Malmstrom Afb, MT 594021700807112
  8. Rapheal (monty) Kuka, PH.DGreat Falls, MT 594011902962194

Common questions

What is Amanda O'Neil Mackinnon, PSYD's NPI number?

Amanda O'Neil Mackinnon, PSYD's National Provider Identifier (NPI) is 1861633729, issued on Mar 23, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Amanda O'Neil Mackinnon, PSYD located?

The NPPES record lists a practice address at 425 Smelter Ave NE, Great Falls, MT, 59404. Phone: (406) 247-7130. Providers update this record themselves, so call before visiting.

How can I verify Amanda O'Neil Mackinnon, PSYD's license?

NPPES lists Montana license number 5584, 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.