NPPES file of Aug 9, 2026

Gary Don Knopp, LAC

Addiction (Substance Use Disorder) Counselor · Billings, MT

Gary Don Knopp, LAC is an addiction (substance use disorder) counselor with a practice address in Billings, Montana, and NPI 1417032442, issued on Oct 26, 2006. Check the license (Montana 1126, 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
1417032442
Name
Gary Don Knopp
Credential
LAC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
1126 MT
Self-reported in NPPES; status is on the state search
Practice location
201 N 25TH St, Billings, MT 59101
Phone
(406) 254-1314
Enumerated
Oct 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(406) 254-1650
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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8 nearest addiction (substance use disorder) counselor records → All 691 in Montana → Look up another NPI →

Also registered at 201 N 25TH St

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

  1. Kristine Albers, LACAddiction (Substance Use Disorder) Counselor1386820389
  2. Pamela Brecht, LACAddiction (Substance Use Disorder) Counselor1942416813
  3. Vickie Coonfare, LACAddiction (Substance Use Disorder) Counselor1043206931
  4. Christopher Daem, LACAddiction (Substance Use Disorder) Counselor1487640371
  5. Diane Feland, LACAddiction (Substance Use Disorder) Counselor1962698456
  6. Laura Harper, LACAddiction (Substance Use Disorder) Counselor1689660383

Verify Gary Don Knopp 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 1126    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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Gary Don Knopp among 691 addiction (substance use disorder) counselor records in Montana

Gary Don Knopp, 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).

157 addiction (substance use disorder) counselor records list a practice address in Billings

They are 157 of the 4,035 NPPES records with a practice address in Billings, 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.

All 691 in Montana → Every provider in Billings → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Warren Beck, LACBillings, MT 591011285799270
  2. Vickie Coonfare, LACBillings, MT 591011043206931
  3. Christopher Daem, LACBillings, MT 591011487640371
  4. Del Denton, LACBillings, MT 591011205822194
  5. Mary Fitzpatrick, PHDBillings, MT 591011891858627
  6. Laura Harper, LACBillings, MT 591011689660383
  7. Linda Jones, LACBillings, MT 591011396804738
  8. John Lewis, LACBillings, MT 591011598776965

Common questions

What is Gary Don Knopp, LAC's NPI number?

Gary Don Knopp, LAC's National Provider Identifier (NPI) is 1417032442, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary Don Knopp, LAC located?

The NPPES record lists a practice address at 201 N 25TH St, Billings, MT, 59101. Phone: (406) 254-1314. Providers update this record themselves, so call before visiting.

How can I verify Gary Don Knopp, LAC's license?

NPPES lists Montana license number 1126, 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.