Maria D. De Villa, M.D.
Medical Oncology Physician · Green Bay, WI
Maria D. De Villa, M.D. is a medical oncology physician with a practice address in Green Bay, Wisconsin, and NPI 1538321252, issued on Jun 25, 2008. Check the license (Wisconsin 65835-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Maria D. De Villa
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 65835-20 WI
24698 NE
Self-reported in NPPES; status is on the state search - Practice location
- 1580 Commanche Ave, Green Bay, WI 54313
- Phone
- (920) 435-8326
- Enumerated
- Jun 25, 2008
- Record last updated
- Sep 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (920) 430-4659
- Medicaid ID
- 100057118 WI
- Medicare enrollment
- Enrolled (PECOS I20090402000332); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1580 Commanche Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sara Aerts, NPAdult Health Nurse Practitioner1750628970
- Cynthia Bieda, APNPFamily Nurse Practitioner1316518533
- Collin Bowman, M.D.Hospice and Palliative Medicine (Family Medicine) Physician1922462092
- Anjali Budhathoki, M.DHematology & Oncology Physician1548558166
- Mary Connelly, MDFamily Medicine Physician1841274636
- Jani Cook, NPFamily Nurse Practitioner1841714979
Verify Maria D. De Villa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 65835-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% more Medicare Part D claims than the average medical oncology physician in 2024
1,140 Medicare Part D claims for 198 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 23 claims were for opioids.
Most prescribed
- Tamoxifen Citrate111 claims
- Anastrozole104 claims
- Revlimid80 claims
- Ondansetron Hcl73 claims
- Prochlorperazine Maleate71 claims
- Acyclovir57 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: $18.99
1 payment: food and beverage; the largest payer was Jazz Pharmaceuticals Inc. 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 2 group practices
- Bellin Memorial Hospital IncGreen Bay, WI
- Oconto Hospital And Medical Center IncMarinette, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Oncology Physician providers in Wisconsin
There are 69 medical oncology physician records in Wisconsin.
Other medical oncology physician records in Wisconsin
- Kamal Kant Singh Abbi, M.D.Green Bay, WI1588827778
- Eyad Al-Hattab, MDEau Claire, WI1750395745
- Mark Albertini, MDMadison, WI1609842624
- Lynn BaatzManitowoc, WI1518070077
- Howard Bailey, MDVerona, WI1861468936
- Sandeep Basu, MDEau Claire, WI1013972009
- Gerald Bayer, M.D.Green Bay, WI1285726729
- Steven Bettag, MDSheboygan, WI1669529608
- Sigurdur Bodvarsson, M.D.La Crosse, WI1669788337
- Justine BruceMadison, WI1164518692
Common questions
What is Maria D. De Villa, M.D.'s NPI number?
Maria D. De Villa, M.D.'s National Provider Identifier (NPI) is 1538321252, issued on Jun 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Maria D. De Villa, M.D. located?
The NPPES record lists a practice address at 1580 Commanche Ave, Green Bay, WI, 54313. Phone: (920) 435-8326. Providers update this record themselves, so call before visiting.
How can I verify Maria D. De Villa, M.D.'s license?
NPPES lists Wisconsin license number 65835-20, 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 Maria D. De Villa, M.D. prescribe under Medicare Part D?
In 2024, Maria D. De Villa, M.D. had 1,140 Medicare Part D claims for 198 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.