John Gilbert Lewis, LAC
Addiction (Substance Use Disorder) Counselor · Billings, MT
John Gilbert Lewis, LAC is an addiction (substance use disorder) counselor with a practice address in Billings, Montana, and NPI 1598776965, issued on Aug 11, 2006. Check the license (Montana 535CDC, 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.
- Name
- John Gilbert Lewis
- Credential
- LAC
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- 535CDC MT
Self-reported in NPPES; status is on the state search - Practice location
- 1245 North 29TH Street, Billings, MT 59101
- Phone
- (406) 252-5658
- Enumerated
- Aug 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (406) 238-3617
- Entity
- Type 1 · individual
8 nearest addiction (substance use disorder) counselor records → All 691 in Montana → Look up another NPI →
Also registered at 1245 North 29TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frederick Betz, LCPCMental Health Counselor1942268545
Verify John Gilbert Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 535CDCCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Gilbert Lewis among 691 addiction (substance use disorder) counselor records in Montana
John Gilbert Lewis, 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
- Warren Beck, LACBillings, MT 591011285799270
- Vickie Coonfare, LACBillings, MT 591011043206931
- Christopher Daem, LACBillings, MT 591011487640371
- Del Denton, LACBillings, MT 591011205822194
- Mary Fitzpatrick, PHDBillings, MT 591011891858627
- Laura Harper, LACBillings, MT 591011689660383
- Linda Jones, LACBillings, MT 591011396804738
- Gary Knopp, LACBillings, MT 591011417032442
Common questions
What is John Gilbert Lewis, LAC's NPI number?
John Gilbert Lewis, LAC's National Provider Identifier (NPI) is 1598776965, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Gilbert Lewis, LAC located?
The NPPES record lists a practice address at 1245 North 29TH Street, Billings, MT, 59101. Phone: (406) 252-5658. Providers update this record themselves, so call before visiting.
How can I verify John Gilbert Lewis, LAC's license?
NPPES lists Montana license number 535CDC, 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.