Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Adrian James Yeiser, M.D.

Internal Medicine Physician in Owensboro, KY · enumerated 2007.

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

National Provider Identifier

1083743884

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Registry record

Entity type Individual (Type 1)

Name Dr. Adrian James Yeiser

Credential M.D.

Sex Male

Practice address 811 E Parrish Ave, Owensboro, KY, 42303

Phone (270) 688-3371

Fax (270) 688-3370

Enumeration date Mar 5, 2007

Last updated in NPPES Feb 16, 2010

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 42749 (KY) 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
000000623774	Other	KY	ANTHEM # WITH COOP HEALTH
7100088780	Medicaid	KY	-

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

What specialty is Adrian Yeiser?

Adrian Yeiser is registered in NPPES with the primary taxonomy of Internal Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-16.