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

Maria D De Villa, MD

Individual provider Hematology & Oncology Physician · NPI 1538321252

Maria D De Villa, MD practises Medical Oncology in Green Bay, Wisconsin. Qualified in 1989, 37 years ago. Practices with Oconto Hospital and Medical Center Inc, a 217-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Nebraska and Wisconsin.

Years since qualifying
37
Licensed in
NE, WI
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1580 Commanche Ave
Green Bay, WI 54313-5751
Phone: (920) 435-8326
Fax: (920) 430-4659
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 744 S Webster Ave, Green Bay, WI 54301-3505 — (920) 433-3500
  • 2820 Roosevelt Rd, Marinette, WI 54143-3834 — (715) 735-5225
  • 820 Arbutus Ave, Oconto, WI 54153-2004 — (920) 835-1100

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 65835-20 (WI)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 24698 (NE)

Record details

NPI number1538321252
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 25, 2008
Last updated in NPPESSeptember 18, 2019

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesHEMATOLOGY
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Oconto Hospital And Medical Center Inc — 217 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Bellin Health Oconto Hospital Hospital · Oconto, WI · listed as Bellin Health Oconto Clinic
  • Bellin Memorial Hospital Hospital · Green Bay, WI

Also affiliated with 1 hospice, which CMS identifies by certification number only.

Colleagues at Oconto Hospital and Medical Center Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 217 clinicians in the practice; 12 are shown here.

Other providers in Green Bay