Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark Riedy, MD

Critical Care Medicine (Internal Medicine) Physician in Green Bay, WI · enumerated 2005.

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

National Provider Identifier

1780681445

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark Riedy

Credential MD

Sex Male

Practice address 2845 Greenbrier Rd, Suite 210, Green Bay, WI, 54311

Phone (920) 288-8100

Enumeration date Jul 7, 2005

Last updated in NPPES Feb 5, 2026

Taxonomy & licenses

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 54662 (WI) Primary

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 22748 (SC) 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
100017364	Medicaid	WI	-
8902914	Medicaid	NC	-
GP3912	Other	SC	MEDICAID GROUP
02914	Other	NC	BCBS
GP1062	Medicaid	SC	-
GP4306	Other	SC	MEDICAID GROUP
227481	Medicaid	SC	-
CM7718	Other	-	RAILROAD MEDICARE
H503647762	Other	SC	H503647762

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.

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Frequently asked questions

Is NPI 1780681445 active?

Yes, as of the latest NPPES snapshot, NPI 1780681445 is active (record last updated 2026-02-05).

How do I verify Mark Riedy's NPI record?

Cross-check NPI 1780681445 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-05.