Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Douglas Brian Chapman, M.D.

Cardiovascular Disease Physician in Madison, WI · enumerated 2006 · practices at University of Wisconsin Hospitals and Clinics Authority.

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

National Provider Identifier

1619944238

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Registry record

Entity type Individual (Type 1)

Name Dr. Douglas Brian Chapman

Credential M.D.

Sex Male

Practice address 4602 Eastpark Blvd, Madison, WI, 53718

Phone (608) 263-1530

Enumeration date Mar 2, 2006

Last updated in NPPES Jan 17, 2024

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 036074808 (IL) Secondary

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License ME93864 (FL) Secondary

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 70906 (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
1619944238	Medicaid	WI	-
314270889A	Medicaid	GA	-

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

How do I verify Douglas Chapman's NPI record?

Cross-check NPI 1619944238 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1619944238 active?

Yes, as of the latest NPPES snapshot, NPI 1619944238 is active (record last updated 2024-01-17).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-01-17.