Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Marc Douglas Knepp, M.D.

Pediatric Cardiology Physician in Peoria, IL · enumerated 2007.

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

National Provider Identifier

1568686277

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Registry record

Entity type Individual (Type 1)

Name Dr. Marc Douglas Knepp

Credential M.D.

Sex Male

Practice address 420 Ne Glen Oak Ave, Suite 301, Peoria, IL, 61603

Phone (309) 655-3456

Fax (309) 655-3410

Enumeration date Apr 12, 2007

Last updated in NPPES Nov 11, 2022

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care · License 4301083662 (MI) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 4301083662 (MI) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 4301083662 (MI) Secondary

2080P0202X Pediatric Cardiology Physician Allopathic & Osteopathic Physicians · License 036-129846 (IL) 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.

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Frequently asked questions

Is NPI 1568686277 active?

Yes, as of the latest NPPES snapshot, NPI 1568686277 is active (record last updated 2022-11-11).

How do I verify Marc Knepp's NPI record?

Cross-check NPI 1568686277 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 2022-11-11.