Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Thomas R Vanderheyden Jr., D.O.

Internal Medicine Physician in South Bend, IN · enumerated 2008 · practices at Michiana Gastroenterology, Inc.

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

National Provider Identifier

1528222387

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Registry record

Entity type Individual (Type 1)

Name Dr. Thomas R Vanderheyden Jr.

Credential D.O.

Sex Male

Practice address 17501 Generations Dr, South Bend, IN, 46635

Phone (574) 234-0049

Enumeration date Jul 10, 2008

Last updated in NPPES Aug 28, 2012

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 125-050866 (IL) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 02004009A (IN) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
000000777772	Other	IN	ANTHEM
201066120	Medicaid	IN	-

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

Where does Thomas Vanderheyden practice?

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

What is the NPI number for Thomas Vanderheyden?

The National Provider Identifier (NPI) for Thomas Vanderheyden is 1528222387, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-08-28.