NPPES file of Aug 9, 2026

Treva J. Lyng, LAC

Addiction (Substance Use Disorder) Counselor · Billings, MT

Treva J. Lyng, LAC is an addiction (substance use disorder) counselor with a practice address in Billings, Montana, and NPI 1891781761, issued on Sep 26, 2005. Check the license (Montana 895, 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
1891781761
Name
Treva J. Lyng
Credential
LAC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
895 MT
Self-reported in NPPES; status is on the state search
Practice location
2116 Broadwater Ave, Billings, MT 59102
Phone
(406) 294-9606
Enumerated
Sep 26, 2005
Record last updated
Jul 13, 2026
Fax
(406) 294-9607
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 2116 Broadwater Ave

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

  1. Julie Hecker, LCPCMental Health Counselor1558432872
  2. Jodi Kristjanson, LACAddiction (Substance Use Disorder) Counselor1528003456

Verify Treva J. Lyng 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 895    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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Treva J. Lyng among 691 addiction (substance use disorder) counselor records in Montana

Treva J. Lyng, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 99% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2026 · 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. Estevan Deleon, MS,LCPC,LACBillings, MT 591021366605305
  2. Patricia Flynn, LACBillings, MT 591021639364268
  3. Renee Jones, BS, LACBillings, MT 591021306189824
  4. Jodi Kristjanson, LACBillings, MT 591021528003456
  5. Dana Leclair, LACBillings, MT 591021922268903
  6. Barbara Phillips, LAC (101YA0400X)Billings, MT 591021760003750
  7. Virginia Prior, MA MFTBillings, MT 591021407995616
  8. Elizabeth Roan, LACBillings, MT 591021063862472

Common questions

What is Treva J. Lyng, LAC's NPI number?

Treva J. Lyng, LAC's National Provider Identifier (NPI) is 1891781761, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Treva J. Lyng, LAC located?

The NPPES record lists a practice address at 2116 Broadwater Ave, Billings, MT, 59102. Phone: (406) 294-9606. Providers update this record themselves, so call before visiting.

How can I verify Treva J. Lyng, LAC's license?

NPPES lists Montana license number 895, 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.