Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John William Pepelnjak III, D.C.
Chiropractor in Duluth, MN · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659580165
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Registry record
Entity type Individual (Type 1)
Name Dr. John William Pepelnjak III
Credential D.C.
Sex Male
Practice address 1522 E Superior St, Duluth, MN, 55812
Phone (218) 724-4077
Fax (218) 724-3045
Enumeration date May 21, 2007
Last updated in NPPES Jul 9, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 38959800 | Medicaid | WI | - |
| 7640075 | Other | - | MN TIN |
| 338L6PE | Other | - | TWO HARBORS BCBS |
| 443L0PE | Other | - | DULUTH BCBS |
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 John Pepelnjak practice?
The practice location on file with NPPES is in Duluth, MN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Pepelnjak?
The National Provider Identifier (NPI) for John Pepelnjak is 1659580165, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.