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

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Madison, WI

No coordinates on file. Search this address in Google Maps

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

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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