Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Peter G Janu, MD

Surgery Physician in Chilton, WI · enumerated 2005.

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

National Provider Identifier

1538154026

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Registry record

Entity type Individual (Type 1)

Name Peter G Janu

Credential MD

Sex Male

Practice address 618 Memorial Dr, Chilton, WI, 53014

Phone (920) 849-3823

Enumeration date Sep 12, 2005

Last updated in NPPES Sep 2, 2008

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 41006 (WI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
32552000	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 specialty is Peter Janu?

Peter Janu is registered in NPPES with the primary taxonomy of Surgery Physician. 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.

Other providers at this practice address

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Gene Tipler Family Medicine Physician · Chilton, WI NPI 1235123233 Christine Bockhorn Family Medicine Physician · Chilton, WI NPI 1518951425 Craig Rabideau Surgical Technologist · Chilton, WI NPI 1396726766 Lisa Schabach Nurse Practitioner · Chilton, WI NPI 1124086640 Sarah Schultz Family Nurse Practitioner · Chilton, WI NPI 1659482180 Ascension Medical Group-Fox Valley Wisconsin, Inc Durable Medical Equipment & Medical Supplies · Chilton, WI NPI 1417053281 Ascension Medical Group-Fox Valley Wisconsin, Inc Multi-Specialty Clinic/Center · Chilton, WI NPI 1588831739 Jessica Hendricks Adult Health Nurse Practitioner · Chilton, WI NPI 1720412299

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-02.