Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Heather Jean Greiling, APNP

Nurse Practitioner in Wautoma, WI · enumerated 2015.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1861879462

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Registry record

Entity type Individual (Type 1)

Name Heather Jean Greiling

Credential APNP

Sex Female

Practice address 900 E Division St, Wautoma, WI, 54982

Phone (920) 787-6900

Enumeration date May 3, 2015

Last updated in NPPES Dec 2, 2024

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 6343-33 (WI) Primary

Other identifiers

Identifier	Type	State	Issuer
6343-33	Other	WI	STATE LICENSE
100049720	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Heather Greiling?

The National Provider Identifier (NPI) for Heather Greiling is 1861879462, a Type 1 (individual) record in the CMS NPPES registry.

Where does Heather Greiling practice?

The practice location on file with NPPES is in Wautoma, WI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-02.