NPI Portal NPI Lookup & Verification

John A Schaack, MS, LCPC, LAC

John A Schaack is a Addiction (Substance Use Disorder) Counselor provider (Counselor) practicing in Billings, MT, registered in the NPPES registry with NPI 1609912468 since 2007. The credential LAC stands for Licensed Acupuncturist.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1609912468
Entity type Individual (Type 1)
Name John A Schaack
Credential MS, LCPC, LAC
Sex Male
Practice address Billings, MT, 59102
Phone 4062949510
Fax 4062949512
Enumeration date 2007-01-29
Last updated in NPPES 2025-09-11

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
101YA0400X Addiction (Substance Use Disorder) Counselor Primary 1137 MT
101YP2500X Professional Counselor Secondary 511 MT

LAC — Licensed Acupuncturist: A practitioner licensed to perform acupuncture. About the LAC credential

Other identifiers

Identifier Type State Issuer
0256334 Medicaid MT
Copy-ready billing details
Provider: John Schaack, MS, LCPC, LAC
NPI: 1609912468
Taxonomy: 101YA0400X (Addiction (Substance Use Disorder) Counselor)
Address: Billings, MT, 59102

Other providers at this practice address

NPI Name Type Specialty Location
1811048226 Arrowhead Psychological and Behavioral Sciences, LLC Organization Family Psychologist Billings, MT
1780980011 The Center for Children and Families Organization Clinical Neuropsychologist Billings, MT

Verify this record

Cross-check NPI 1609912468 against the authoritative CMS record: view John A Schaack on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for John Schaack?
The National Provider Identifier (NPI) for John Schaack is 1609912468, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Schaack practice?
The practice location on file with NPPES is in Billings, MT. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2025-09-11.