NPPES file of Aug 9, 2026

Michael D. Johnston, PHD

Psychologist · Boise, ID

Michael D. Johnston, PHD is a psychologist with a practice address in Boise, Idaho, and NPI 1346394913, issued on Jan 22, 2007. Check the license (Idaho PSY-359, as entered in NPPES) with the Idaho board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346394913
Name
Michael D. Johnston
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
PSY-359 ID
Self-reported in NPPES; status is on the state search
Practice location
311 Allumbaugh St, Boise, ID 83704
Phone
(208) 375-6402
Enumerated
Jan 22, 2007
Record last updated
Nov 14, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(208) 323-1850
Medicare enrollment
Enrolled (PECOS I20100924000523); 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 165 in Idaho → Look up another NPI →

Also registered at 311 Allumbaugh St

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

  1. Robert Calhoun, PHDClinical Neuropsychologist1376697946
  2. Jason Gage, PH.D.Clinical Psychologist1548250699
  3. Brett Thomas, PH.D.Clinical Psychologist1952403552

Verify Michael D. Johnston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Idaho board licenses this profession
    Search for license PSY-359    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 Idaho 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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Bills Medicare through one group practice

  1. Mountain States Counseling And Psychological Services PlllBoise, ID

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael D. Johnston among 165 psychologist records in Idaho

Michael D. Johnston, PHD is one of 165 psychologist records with a practice address in Idaho. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 19% of them.

  • NPI issued2007 · 19% of these records are older, 62% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1997 · median 2007 among the 31 with a school on file
  • Record last updated2007 · 48% 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Idaho

There are 165 psychologist records in Idaho.

All 165 in Idaho → Every provider in Boise → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Walter Campbell, PHDBoise, ID 837041437438181
  2. David Delawyer, PHDBoise, ID 837041740386523
  3. J. Michael Dennis, PHDBoise, ID 837041326084492
  4. Ronald Dent, EDDBoise, ID 837041225257272
  5. Charles Rice, PHDBoise, ID 837041336176171
  6. Catherine Serio, PH.D.Boise, ID 837041275577207
  7. Susan Stumph, PH.D.Boise, ID 837041508197393
  8. Hanna Thomas, PSY.D.Boise, ID 837041427534395

Common questions

What is Michael D. Johnston, PHD's NPI number?

Michael D. Johnston, PHD's National Provider Identifier (NPI) is 1346394913, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michael D. Johnston, PHD located?

The NPPES record lists a practice address at 311 Allumbaugh St, Boise, ID, 83704. Phone: (208) 375-6402. Providers update this record themselves, so call before visiting.

How can I verify Michael D. Johnston, PHD's license?

NPPES lists Idaho license number PSY-359, as entered by the provider. Search the Idaho 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.

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.