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

John F Herath, MD

Individual provider Internal Medicine Physician · NPI 1740286913

John F Herath, MD is an Internal Medicine in Onalaska, Wisconsin. Graduated from University of Minnesota Medical School in 1999, 27 years ago. Practices with Gundersen Clinic Ltd, a 427-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
27
Trained at
University of Minnesota Medical School
Licensed in
WI
In the registry since
2005
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

3111 Gundersen Dr
Onalaska, WI 54650-8447
Phone: (608) 782-7300
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 42729 (WI)

Record details

NPI number1740286913
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2005
Last updated in NPPESJune 2, 2015
Mailing address1836 South Ave, La Crosse, WI 54601-5429

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1999 (27 years in practice)
Group practice Gundersen Clinic Ltd — 427 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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