Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JOHN M. LEIMER MS, CSAC
NPI 1962418095
Counselor - Addiction (Substance Use Disorder) in Fayetteville, AR

Active since July 31, 2006
1100 N COLLEGE AVE, FAYETTEVILLE, AR 72703(479) 444-5048 Get Directions Write a Review

NPPES record last updated: July 26, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John M. Leimer Ms, Csac NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN M. LEIMER MS, CSAC (NPI 1962418095) is an individual addiction (substance use disorder) provider in Fayetteville, Arkansas, licensed in North Carolina (1460) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1962418095
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameJOHN M. LEIMERCredential: MS, CSAC
Location Address1100 N COLLEGE AVEFayetteville, AR 72703-1944
Mailing AddressPo Box 97Saint Paul, AR 72760-0097 · (479) 677-3390
Sole ProprietorNo
Enumeration DateJuly 31, 2006
Last NPPES UpdateJuly 26, 2026
NPI 1962418095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License Licensed in NC · 1460
1100 N COLLEGE AVE, Fayetteville, AR 72703

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
1100 N COLLEGE AVE
FAYETTEVILLE, AR 72703
Clinical Nurse Specialist (Psychiatric/Mental Health, Adult)
1100 N COLLEGE AVE
FAYETTEVILLE, AR 72703
Physician Assistant
1100 N COLLEGE AVE
FAYETTEVILLE, AR 72703
Physician Assistant
1100 N COLLEGE AVE
FAYETTEVILLE, AR 72703
Social Worker
1100 N COLLEGE AVE
FAYETTEVILLE, AR 72703
Anesthesiology
1100 N COLLEGE AVE
FAYETTEVILLE, AR 72703
General Acute Care Hospital
1100 N COLLEGE AVE
FAYETTEVILLE, AR 72703
Ophthalmology
1100 N COLLEGE AVE
FAYETTEVILLE, AR 72703

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Leimer's NPI number?

The NPI number for John Leimer is 1962418095. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is John Leimer located?

John Leimer practices at 1100 N College Ave, Fayetteville, AR 72703. The listed phone number is (479) 444-5048.

What is John Leimer's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for John Leimer was last updated on July 26, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.