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

David L Groteluschen, MD

Individual provider Medical Oncology Physician · NPI 1679538011

David L Groteluschen, MD is a Hematology/Oncology in Green Bay, Wisconsin. Graduated from University of Iowa, Rj & L Carver College of Medicine in 2001, 25 years ago. Practices with Ascension NE Wisconsin, Inc, a 20-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
25
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
WI
In the registry since
2006
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

1726 Shawano Ave
Green Bay, WI 54303-3216
Phone: (920) 884-3135
Fax: (920) 884-3144
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 44953 (WI)

Record details

NPI number1679538011
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2006
Last updated in NPPESDecember 20, 2021
Certification dateDecember 20, 2021
Mailing address1726 Shawano Ave, Green Bay, WI 54303-3216

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Ascension Ne Wisconsin, Inc — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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