Summary

Dr. Timothy Wassenaar treats hypertension, iron deficiency anemia, and deep vein thrombosis, and practices oncology, hematology, and hospice and palliative medicine. He has 24 years of experience and is affiliated with Prohealth Waukesha Memorial Hospital.

Dr. Wassenaar completed his residency at the University of Wisconsin Hospital and earned his medical degree from Chicago Medical School at Rosalind Franklin University. He sees patients in Waukesha and Oconomowoc, Wisconsin, and speaks Chinese, English, French, and Spanish. Patients on Vitals rate Dr. Wassenaar 5 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 24 years of experience
  • 27 insurance plans accepted
  • speaks Chinese, English, French, Spanish
  • University Of Wisconsin Hospital
  • 3 written reviews
  • 3 specialties
  • 15 areas of expertise
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Timothy Robert Wassenaar has 4 locations

Uw Health Cancer Center At Prohealth Care

N16W24131 Riverwood DrWaukesha, WI 53188
Mon7:30 am - 7:00 pm
Tue7:30 am - 7:00 pm
Wed7:30 am - 7:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 5:00 pm
Sat8:00 am - 4:00 pm
Sun8:00 am - 3:00 pm

Prohealth Cancer Center

791 Summit AveOconomowoc, WI 53066
Mon8:00 am - 7:00 pm
Tue8:00 am - 7:00 pm
Wed8:00 am - 7:00 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
Sat8:00 am - 4:30 pm
Sun8:00 am - 3:00 pm

Prohealth Waukesha Memorial Hospital

725 American AveWaukesha, WI 53188

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Dr. Timothy Robert Wassenaar, MDDr. Thomas Calvin Abshire, MDDr. Paul Steven Ritch, MDDr. Alonzo Patrick Walker, MD
OncologyOncologyOncologyOncology
Accepts New Patients
5 
0 
5 
4.9 
24 Years of Experience 47 Years of Experience 53 Years of Experience 50 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Chinese, English, French, Spanish Speaks English, Spanish Speaks English Speaks English, Spanish
Waukesha , WIMilwaukee , WIMilwaukee , WIMilwaukee , WI
Med School: Chicago Medical School At Rosalind Franklin University-Medicine & Sciences Med School: Tulane University School Of Medicine Med School: Tufts University School Of Medicine Med School: University Of Florida College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Timothy Robert Wassenaar

  • Aetna
  • All Savers Insurance
  • Allegiance Life and Health
  • AmeriGroup
  • Arise Health Plan
  • BLUE CROSS of CALIFORNIA
  • CHAMPVA - HMO
  • Cigna
  • Dean Health Plan
  • Dean Health Plan - HMO
  • Dean Health Plan - Medicaid (Managed)
  • Gundersen Health Plan
  • Humana
  • Humana - HMO
  • Humana - Medicare (Advantage HMO)
  • Medica - HMO
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Physicians Mutual
  • Quartz
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - PPO
  • Unity Health Insurance
  • WPS Health Plan

Medical Specialties

Dr. Timothy Robert Wassenaar has the following 3 specialties

Specialty Expertise

Dr. Timothy Robert Wassenaar has the following 15 areas of expertise

  • Blood Cancer
  • Bone Marrow Transplant
  • Chemotherapy
  • Chronic B-Cell Lymphocytic Leukemia
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Deep Vein Thrombosis
  • Hematology
  • Hepatitis C
  • Hospice & Palliative Medicine
  • Leukemia
  • Lymphoma
  • Myelodysplastic Syndromes
  • Myelofibrosis
  • Myeloma

Certifications, License, & Education

24 Years Experience

Dr. Timothy Robert Wassenaar holds an active medical license in the state of Wisconsin.

Medical License

Medical Doctor with an active medical license in the state of Wisconsin that expires in 2027.

Education & Training

Residency

Completed their residency at University Of Wisconsin Hospital.

Medical School

Graduated from Chicago Medical School At Rosalind Franklin University-Medicine & Sciences in 2002.

NPI Number

Dr. Wassenaar's NPI number is 1518928993.

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Frequently Asked Questions

Is Dr. Timothy Wassenaar accepting new patients?
Dr. Timothy Wassenaar is accepting new patients on Vitals. View Dr. Timothy Wassenaar's profile on Vitals to make an appointment.
Does Dr. Timothy Wassenaar accept my insurance?
You can see the insurance plans that Dr. Timothy Wassenaar accepts on their Vitals profile.
Which hospitals is Dr. Timothy Wassenaar affiliated with?
Dr. Timothy Wassenaar is affiliated with Prohealth Waukesha Memorial Hospital.
What languages does Dr. Timothy Wassenaar speak?
Dr. Timothy Wassenaar speaks Chinese, English, French, and Spanish.
Where is Dr. Timothy Wassenaar's office located?
Dr. Timothy Wassenaar's office is located at N16W24131 Riverwood Dr, Waukesha, WI, 53188.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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