John Lewis, LAC
NPI 1598776965 · Addiction (Substance Use Disorder) Counselor · Billings, MT
John Lewis, LAC is a Addiction (Substance Use Disorder) Counselor provider in Billings, MT (NPI 1598776965).
Provider details
- NPI number
- 1598776965
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LAC
- Sex
- Male
- Sole proprietor
- No
- License
- 535CDC (MT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Lewis's NPI number?
- John Lewis's National Provider Identifier (NPI) is 1598776965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Lewis's specialty?
- John Lewis is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Lewis located?
- John Lewis's practice location on file with NPPES is 1245 North 29th Street, Billings, MT 59101.
- What is John Lewis's phone number?
- The practice phone number listed in the NPPES registry for John Lewis is (406) 252-5658.
- Is John Lewis's NPI active?
- Yes — John Lewis's NPI (1598776965) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.