Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Heather Gruszynski, NP
Nurse Practitioner in Iola, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386664423
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Registry record
Entity type Individual (Type 1)
Name Heather Gruszynski
Credential NP
Sex Female
Practice address 160 S Chet Krause Dr, Iola, WI, 54945
Phone (715) 445-2228
Fax (715) 445-4442
Enumeration date Jul 20, 2006
Last updated in NPPES Mar 12, 2008
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2361-033 (WI) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 41251300 | Medicaid | WI | - |
| P00350244 | Other | WI | RAILROAD MEDICARE |
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 Heather Gruszynski practice?
The practice location on file with NPPES is in Iola, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Heather Gruszynski?
The National Provider Identifier (NPI) for Heather Gruszynski is 1386664423, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-12.