NPPES file of Aug 9, 2026

David L. Donaldson, LAC

Addiction (Substance Use Disorder) Counselor · Missoula, MT

David L. Donaldson, LAC is an addiction (substance use disorder) counselor with a practice address in Missoula, Montana, and NPI 1023126885, issued on Aug 29, 2006. Check the license (Montana 668, 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
1023126885
Name
David L. Donaldson
Credential
LAC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
668 MT
Self-reported in NPPES; status is on the state search
Practice location
1325 Wyoming St, Missoula, MT 59801
Phone
(406) 532-9800
Enumerated
Aug 29, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(406) 541-3032
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 1325 Wyoming St

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

  1. Crystal BeaudinAddiction (Substance Use Disorder) Counselor1700324001
  2. Brittany Breitenbach, LACAddiction (Substance Use Disorder) Counselor1770316739
  3. Paul Cahill, LCSW, LACClinical Social Worker1841680352
  4. Michael Cochrane, BA, LACAddiction (Substance Use Disorder) Counselor1649384009
  5. Glenn Cockrell, LCSW, LACClinical Social Worker1245453950
  6. Theresa Conley, LAC, MSWAddiction (Substance Use Disorder) Counselor1669808887

Verify David L. Donaldson 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 668
    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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David L. Donaldson among 691 addiction (substance use disorder) counselor records in Montana

David L. Donaldson, LAC is one of 691 addiction (substance use disorder) counselor records with a practice address in Montana. 1% 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 93% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2007 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

72 addiction (substance use disorder) counselor records list a practice address in Missoula

They are 72 of the 3,567 NPPES records with a practice address in Missoula, and 691 addiction (substance use disorder) counselor records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Michael Cochrane, BA, LACMissoula, MT 598011649384009
  2. Louella Heavy Runner, LACMissoula, MT 598011861707622
  3. Risha McCormack, MSW, LACMissoula, MT 598011518268721
  4. Shaen McElravy, MSW, LACMissoula, MT 598011144338955
  5. Diane McLaverty, LCPC, LACMissoula, MT 598011598970568
  6. Colleen McNulty, LACMissoula, MT 598011285901108
  7. Kasey Nicholson, M.S., LACMissoula, MT 598011366711418
  8. Matthew Radlowski, LCSW, LACMissoula, MT 598011720303357

Common questions

What is David L. Donaldson, LAC's NPI number?

David L. Donaldson, LAC's National Provider Identifier (NPI) is 1023126885, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David L. Donaldson, LAC located?

The NPPES record lists a practice address at 1325 Wyoming St, Missoula, MT, 59801. Phone: (406) 532-9800. Providers update this record themselves, so call before visiting.

How can I verify David L. Donaldson, LAC's license?

NPPES lists Montana license number 668, 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.

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.