Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Nancy Berkas Petro, MD

Q: What is the NPI number for Nancy Petro?

The National Provider Identifier (NPI) for Nancy Petro is 1881701282, a Type 1 (individual) record in the CMS NPPES registry.

Occupational Medicine Physician in Milwaukee, WI · enumerated 2006.

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

National Provider Identifier

1881701282

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Registry record

Entity type Individual (Type 1)

Name Dr. Nancy Berkas Petro

Credential MD

Sex Female

Practice address 4111 W Mitchell St Ste 300, Milwaukee, WI, 53215

Phone (414) 385-8800

Fax (414) 671-8860

Enumeration date Aug 23, 2006

Last updated in NPPES Mar 7, 2023

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 22492 (WI) Secondary

2083X0100X Occupational Medicine Physician Allopathic & Osteopathic Physicians · License 22492-20 (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
30511300	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 Nancy Petro?

The National Provider Identifier (NPI) for Nancy Petro is 1881701282, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nancy Petro practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.