Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Matthew Machnik, MSW, APSW
Social Worker in Keshena, WI · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1053964783
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Matthew Machnik
Credential MSW, APSW
Sex Male
Practice address W3272 Wolf River Drive, Keshena, WI, 54135
Phone (715) 799-3861
Fax (715) 799-3517
Enumeration date Jul 22, 2019
Last updated in NPPES Jul 22, 2019
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 131580-121 (WI) Primary
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.
Frequently asked questions
Where does Matthew Machnik practice?
The practice location on file with NPPES is in Keshena, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Matthew Machnik?
The National Provider Identifier (NPI) for Matthew Machnik is 1053964783, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Neil Van Rossum Social Worker · Keshena, WI NPI 1366538712 Elizabeth Krautkramer Social Worker · Keshena, WI NPI 1578125704 Rebecca Mcneel Registered Nurse · Keshena, WI NPI 1467090365 Timothy Bird Addiction (Substance Use Disorder) Counselor · Keshena, WI NPI 1952088429 Kiersten Fischer Social Worker · Keshena, WI NPI 1962230441
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-22.