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

William David Farrar, MD

Individual provider Gastroenterology Physician · NPI 1942263108

William David Farrar, MD is a Gastroenterology in Red Wing, Minnesota. Graduated from University of Colorado School of Medicine, Denver in 1998, 28 years ago. Practices with Mayo Clinic Health System-Southeast Minnesota Region, a 561-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
28
Trained at
University of Colorado School of Medicine, Denver
Licensed in
MN
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

701 Hewitt Blvd
Red Wing, MN 55066-2848
Phone: (651) 267-5000
Show map & directions

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

Additional practice locations (1)

  • 200 1st St Sw, Rochester, MN 55905-0001 — (507) 284-2511

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 43646 (MN)

Record details

NPI number1942263108
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 10, 2006
Last updated in NPPESSeptember 29, 2020
Certification dateSeptember 29, 2020

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 1998 (28 years in practice)
Group practice Mayo Clinic Health System-Southeast Minnesota Region — 561 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare