Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gregory J Nystrom, DC
Chiropractor in Green Bay, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1871572321
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Registry record
Entity type Individual (Type 1)
Name Gregory J Nystrom
Credential DC
Sex Male
Practice address 1110 Kepler Dr, Green Bay, WI, 54311
Phone (920) 288-5555
Fax (920) 288-5550
Enumeration date Jan 12, 2006
Last updated in NPPES May 7, 2026
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 |
|---|---|---|---|
| 3889700 | Medicaid | WI | - |
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 Gregory Nystrom practice?
The practice location on file with NPPES is in Green Bay, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Gregory Nystrom?
The National Provider Identifier (NPI) for Gregory Nystrom is 1871572321, 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 2026-05-07.