Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Eugene Lin, MD

Q: What is the NPI number for Eugene Lin?

The National Provider Identifier (NPI) for Eugene Lin is 1972595726, a Type 1 (individual) record in the CMS NPPES registry.

Internal Medicine Physician in Valparaiso, IN · enumerated 2005 · practices at St Margaret Mercy Healthcare Centers, Inc..

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

National Provider Identifier

1972595726

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Registry record

Entity type Individual (Type 1)

Name Eugene Lin

Credential MD

Sex Male

Practice address 2421 Laporte Ave, Valparaiso, IN, 46383

Phone (219) 462-6914

Fax (219) 462-0426

Enumeration date Aug 18, 2005

Last updated in NPPES May 30, 2023

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 01048941A (IN) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 01048941A (IN) 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
000000721916	Other	IN	ANTHEM TRADITIONAL
200224900	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.

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Frequently asked questions

What is the NPI number for Eugene Lin?

The National Provider Identifier (NPI) for Eugene Lin is 1972595726, a Type 1 (individual) record in the CMS NPPES registry.

Where does Eugene Lin practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-30.