Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William E Karnes Jr., MD

Individual provider Gastroenterology Physician · NPI 1881652998

Dr. William E Karnes Jr., MD is an Internal Medicine in Orange, California. Graduated from University of Minnesota Medical School in 1982, 44 years ago. Practices with Uc Regents, a 306-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
44
Trained at
University of Minnesota Medical School
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

101 The City Dr S Bldg 22C
Orange, CA 92868-3201
Phone: (888) 717-4463
Fax: (714) 456-8858
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G57458 (CA)

Record details

NPI number1881652998
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 1, 2006
Last updated in NPPESSeptember 8, 2014
Mailing address101 The City Dr S Bldg 22c, Orange, CA 92868-3201

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1982 (44 years in practice)
Group practice Uc Regents — 306 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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