Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Stefanie Ruffolo, M.D.

Internal Medicine Physician in Kenosha, WI · enumerated 2010.

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

National Provider Identifier

1548572696

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Registry record

Entity type Individual (Type 1)

Name Stefanie Ruffolo

Credential M.D.

Sex Female

Practice address Kenosha, WI, 53142

Phone (262) 220-7294

Enumeration date Jul 6, 2010

Last updated in NPPES Feb 4, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MT197580 (PA) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MT197580 (PA) Secondary

2080P0203X Pediatric Critical Care Medicine Physician Allopathic & Osteopathic Physicians · License 63334 (WI) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 63334 (WI) Primary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 63334 (WI) Secondary

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
1548572696	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 Stefanie Ruffolo?

The National Provider Identifier (NPI) for Stefanie Ruffolo is 1548572696, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stefanie Ruffolo practice?

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

Other providers at this practice address

Browse all →

Leonardo Montemurro Family Medicine Physician · Kenosha, WI NPI 1689620072 Ranganatha Sriram Interventional Cardiology Physician · Kenosha, WI NPI 1972512895 William Merritt Physician Assistant · Kenosha, WI NPI 1033442538 Zenith Healthcare Sc Cardiovascular Disease Physician · Kenosha, WI NPI 1043610280 Phoenixc Healthcare, Sc Clinical Cardiac Electrophysiology Physician · Kenosha, WI NPI 1821591710 Kelly Riffel Family Nurse Practitioner · Kenosha, WI NPI 1467915983

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-04.