Ryan Austin Denu, MD, PHD
Medical Oncology Physician · Madison, WI
Ryan Austin Denu, MD, PHD is a medical oncology physician with a practice address in Madison, Wisconsin, and NPI 1881220739, issued on Mar 22, 2020. Check the license (Wisconsin 87263-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ryan Austin Denu
- Credential
- MD, PHD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 87263-20 WI
T6872 TX
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 915-0100
- Enumerated
- Mar 22, 2020
- Record last updated
- Jul 7, 2026
- Fax
- (608) 266-6020
- Medicare enrollment
- Enrolled (PECOS I20221130001999); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 69 in Wisconsin → Look up another NPI →
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carrah Aadrik, CRNACertified Registered Nurse Anesthetist1326423286
- Daniel Abbott, MDSurgical Oncology Physician1750412615
- Alaa Abd-ElsayedPain Medicine Physician1194967703
- Safiyya Abdulkadir, MDRheumatology Physician1093455826
- Edwin Abel, M.D.Urology Physician1083800510
Verify Ryan Austin Denu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 87263-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average medical oncology physician in 2024
105 Medicare Part D claims for 12 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 11 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $331.43
5 payments; by number, the most common kind was education; the largest payer was Lilly USA, LLC. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Physicians Referral ServiceHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Austin Denu among 69 medical oncology physician records in Wisconsin
Ryan Austin Denu, MD, PHD is one of 69 medical oncology physician records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 99% of them.
- NPI issued2020 · 99% of these records are older, 0% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2020 · median 2001 among the 46 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Wisconsin
There are 69 medical oncology physician records in Wisconsin.
All 69 in Wisconsin → Every provider in Madison → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Mark Albertini, MDMadison, WI 537921609842624
- Toby Campbell, M.D., MSCIMadison, WI 537921700802220
- Robert Hegeman, MDMadison, WI 537921588630644
- Tien HoangMadison, WI 537921710994256
- Kyle Holen, MDMadison, WI 537921316908783
- Robert Holland, MDMadison, WI 537921376519447
- Joshua Lang, M.D.Madison, WI 537921740226067
- Glenn Liu, MDMadison, WI 537921629039078
Common questions
What is Ryan Austin Denu, MD, PHD's NPI number?
Ryan Austin Denu, MD, PHD's National Provider Identifier (NPI) is 1881220739, issued on Mar 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Austin Denu, MD, PHD located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 915-0100. Providers update this record themselves, so call before visiting.
How can I verify Ryan Austin Denu, MD, PHD's license?
NPPES lists Wisconsin license number 87263-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan Austin Denu, MD, PHD prescribe under Medicare Part D?
In 2024, Ryan Austin Denu, MD, PHD had 105 Medicare Part D claims for 12 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.