Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gail Buchberger, APNP

Family Nurse Practitioner in Oconomowoc, WI · enumerated 2007.

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

National Provider Identifier

1023137866

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Registry record

Entity type Individual (Type 1)

Name Gail Buchberger

Credential APNP

Sex Female

Practice address 985 Hickory Creek Dr, Oconomowoc, WI, 53066

Phone (262) 391-6421

Fax (262) 354-0627

Enumeration date Mar 29, 2007

Last updated in NPPES Apr 26, 2022

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2349-033 (WI) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2349 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Gail Buchberger?

Gail Buchberger is registered in NPPES with the primary taxonomy of Family Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-26.