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

Timothy R Toonen, MD

Individual provider Hematology & Oncology Physician · NPI 1770552317

Timothy R Toonen, MD is a Medical Oncology in Saint Paul, Minnesota. Graduated from University of Wisconsin School of Medicine in 1996, 30 years ago. Practices with Minnesota Oncology Hematology PA, a 132-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Minnesota.

Years since qualifying
30
Trained at
University of Wisconsin School of Medicine
Licensed in
MN
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

345 Sherman St Ste 100
Saint Paul, MN 55102-2401
Phone: (651) 251-5500
Fax: (651) 251-5555
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 44618 (MN)

Record details

NPI number1770552317
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 16, 2006
Last updated in NPPESSeptember 20, 2012

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesHEMATOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Minnesota Oncology Hematology Pa — 132 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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