Ryan A. Wilcox, M.D.
Medical Oncology Physician · Ann Arbor, MI
Ryan A. Wilcox, M.D. is a medical oncology physician with a practice address in Ann Arbor, Michigan, and NPI 1689651325, issued on Dec 23, 2005. Check the license (Michigan 4301099403, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ryan A. Wilcox
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 4301099403 MI
47824 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-4000
- Enumerated
- Dec 23, 2005
- Record last updated
- Nov 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 977468800 MN
- Medicare enrollment
- Enrolled (PECOS I20111221000716); accepts Medicare assignment
- Medical or professional school
- Mayo Medical School, 2004
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 177 in Michigan → Look up another NPI →
Also registered at 1500 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anjelica Abate, MDDiagnostic Radiology Physician1841819216
- Nicole Abbott, CRNACertified Registered Nurse Anesthetist1790329860
- Ahmed Abdel-Latif, M.D.Interventional Cardiology Physician1518181239
Verify Ryan A. Wilcox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301099403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average medical oncology physician in 2024
28 Medicare Part D claims, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Prednisone14 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.
Bills Medicare through one group practice
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan A. Wilcox among 177 medical oncology physician records in Michigan
Ryan A. Wilcox, M.D. is one of 177 medical oncology physician records with a practice address in Michigan. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2004 · median 2000 among the 135 with a school on file
- Record last updated2020 · 58% 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 Michigan 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 Michigan
There are 177 medical oncology physician records in Michigan.
All 177 in Michigan → Every provider in Ann Arbor → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Joshi Alumkal, MDAnn Arbor, MI 481091114036720
- Ronald BuckanovichAnn Arbor, MI 481091407869720
- Rashmi Chugh, MDAnn Arbor, MI 481091356427314
- Harry Erba, MDAnn Arbor, MI 481091508942566
- Scott Gitlin, MDAnn Arbor, MI 481091164508016
- Maha Hussain, MB,CHBAnn Arbor, MI 481091245316199
- Kathleen Kemmer, M.D.Ann Arbor, MI 481091851323679
- John Krauss, M.D.Ann Arbor, MI 481091396745014
Common questions
What is Ryan A. Wilcox, M.D.'s NPI number?
Ryan A. Wilcox, M.D.'s National Provider Identifier (NPI) is 1689651325, issued on Dec 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ryan A. Wilcox, M.D. located?
The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.
How can I verify Ryan A. Wilcox, M.D.'s license?
NPPES lists Michigan license number 4301099403, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan A. Wilcox, M.D. prescribe under Medicare Part D?
In 2024, Ryan A. Wilcox, M.D. had 28 Medicare Part D claims; 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.