Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karl L Yang, MD

Q: What is the NPI number for Karl Yang?

The National Provider Identifier (NPI) for Karl Yang is 1134120249, a Type 1 (individual) record in the CMS NPPES registry.

Sleep Medicine (Internal Medicine) Physician in Indianapolis, IN · enumerated 2005 · practices at Indiana Radiology Partners, Inc.

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

National Provider Identifier

1134120249

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Registry record

Entity type Individual (Type 1)

Name Karl L Yang

Credential MD

Sex Male

Practice address 714 N Senate Ave, Indianapolis, IN, 46202

Phone (317) 963-0555

Enumeration date Aug 10, 2005

Last updated in NPPES May 3, 2021

Taxonomy & licenses

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 01047981A (IN) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 01047981A (IN) Secondary

207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 01047981A (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
200027520	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 Karl Yang practice?

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

What is the NPI number for Karl Yang?

The National Provider Identifier (NPI) for Karl Yang is 1134120249, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Margaret Hollar Neuroradiology Physician · Indianapolis, IN NPI 1376546770 Thomas Sullivan Pulmonary Disease Physician · Indianapolis, IN NPI 1669474524 Temel Tirkes Diagnostic Radiology Physician · Indianapolis, IN NPI 1689638314 Indiana Radiology Partners, Inc Diagnostic Radiology Physician · Indianapolis, IN NPI 1497712160 Winston Davis Diagnostic Radiology Physician · Indianapolis, IN NPI 1154389906 Paul Shu Diagnostic Radiology Physician · Indianapolis, IN NPI 1720031727 Fatih Akisik Diagnostic Radiology Physician · Indianapolis, IN NPI 1487692901 Mark Tann Nuclear Radiology Physician · Indianapolis, IN NPI 1841239746

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-03.