NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

James A. Dienes, M.D.

Internal Medicine Physician in Louisville, KY · enumerated 2006.

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

National Provider Identifier

1689611600

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name James A. Dienes
Credential M.D.
Sex Male
Practice address 1900 Bluegrass Ave, Suite 300, Louisville, KY, 40215
Phone (502) 361-1222
Fax (502) 368-1258
Enumeration date May 31, 2006
Last updated in NPPES Nov 24, 2010

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 20096 (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
64200967 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 is the NPI number for James Dienes?
The National Provider Identifier (NPI) for James Dienes is 1689611600, a Type 1 (individual) record in the CMS NPPES registry.
Where does James Dienes practice?
The practice location on file with NPPES is in Louisville, KY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-24.