Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Patrick Carroll Ryberg, M.D.

Surgery Physician in Marshfield, WI · enumerated 2011.

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

National Provider Identifier

1558658344

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Registry record

Entity type Individual (Type 1)

Name Patrick Carroll Ryberg

Credential M.D.

Sex Male

Practice address 1000 N Oak Ave, Division of Education, Marshfield, WI, 54449

Phone (715) 387-9222

Enumeration date Jun 30, 2011

Last updated in NPPES Jun 30, 2011

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 390200000X (WI) Primary

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

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 Patrick Ryberg?

Patrick Ryberg 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-30.