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

William Travis Dierenfeldt, MD

Individual provider Gastroenterology Physician · NPI 1477591634

William Travis Dierenfeldt, MD is a Gastroenterology in Manhattan, Kansas. Graduated from University of Missouri, Kansas City, School of Medicine in 1994, 32 years ago. Practices with Cotton-O'Neil Clinic Revocable Trust, a 658-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Kansas.

Years since qualifying
32
Trained at
University of Missouri, Kansas City, School of Medicine
Licensed in
KS
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

1325 Research Park Dr
Manhattan, KS 66502-5000
Phone: (785) 537-2651
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1102 Saint Marys Rd, Junction City, KS 66441-4139 — (785) 238-0325

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 04-28673 (KS)

Record details

NPI number1477591634
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2006
Last updated in NPPESJanuary 5, 2026
Certification dateJanuary 5, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Cotton-O'Neil Clinic Revocable Trust — 658 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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