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

Dr. Ryan Austin Denu, MD, PHD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1881220739

Dr. Ryan Austin Denu, MD, PHD is an Internal Medicine in Madison, Wisconsin. Graduated from University of Wisconsin School of Medicine in 2020, 6 years ago. Practices with Physicians Referral Service, a 2,727-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Texas and Wisconsin.

Years since qualifying
6
Trained at
University of Wisconsin School of Medicine
Licensed in
TX, WI
In the registry since
2020
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

600 Highland Ave
Madison, WI 53792-0001
Phone: (608) 915-0100
Fax: (608) 266-6020
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1515 Holcombe Blvd, Houston, TX 77030-4000 — (713) 792-6161
  • 4621 Eastpark Blvd, Madison, WI 53718-2000 — (608) 915-0100

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 87263-20 (WI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Internal Medicine Physician Taxonomy 207R00000X · Licence T6872 (TX)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 87263-20 (WI)

Record details

NPI number1881220739
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 22, 2020
Last updated in NPPESJuly 7, 2026
Certification dateJuly 7, 2026
Mailing address7974 Uw Health Ct, Middleton, WI 53562-5531

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2020 (6 years in practice)
Group practice Physicians Referral Service — 2727 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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