Dr. Timothy Wassenaar, MD

Hematology •  Male • Age 44
  
Dr. Wassenaar
Telehealth services available

University of Wisconsin Cancer Center Prohealth

N16w24131 Riverwood Dr Waukesha, WI 53188

Make an Appointment

(262) 696-5690

Dr. Timothy Wassenaar, MD is a Hematology Specialist in Waukesha, WI and has over 18 years of experience in the medical field. Dr. Wassenaar has more experience with Blood Disorders, Blood Cancers, and Lymphatic Disorders than other specialists in his area. He graduated from Chicago Medical School Rosalind Franklin University medical school in 2002. He is affiliated with medical facilities Oconomowoc Memorial Hospital and Waukesha Memorial Hospital. He has indicated that he accepts telehealth appointments. Be sure to call ahead with Dr. Wassenaar to book an appointment.


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At a Glance

  • Explains Conditions Well
    Patients said this doctor explains conditions well. See reviews
  • Offers Telehealth
    This provider offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Patient Safety Excellence Award™ See hospitals

Insurance Check

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Dr. Wassenaar accepts

Accepted insurance can change. Please double-check when making an appointment.

(262) 696-5690

Dr. Wassenaar accepts the following insurance:

Aetna
Choice Plus POS II
Anthem
Balanced Blue Access-WI PPO
Balanced Blue Preferred-WI POS
Blue Access Network (Wisconsin) PPO
Blue Access w/ Pref Retail Clinics-WI PPO
Blue Preferred (Select Network)-WI POS
Blue Preferred Network-WI
Blue Preferred Plus w/ Pref Retail Clinics-WI POS
Blue Preferred Plus-WI POS
Blue Priority (Select Network)-WI
Blue Priority Plus w/ Pref Retail Clinics-WI POS
Blue Priority WI Network-WI
Blue Traditional Network-WI
Bronze Blue Access-WI PPO
Bronze Blue Preferred-WI POS
Bronze Blue Priority-WI POS
Catastrophic Blue Priority-WI
Gold Blue Access-WI PPO
Gold Blue Preferred-WI POS
Gold Blue Priority-WI POS
Lumenos plans - Blue Access-WI
Lumenos plans - Blue Preferred-WI
National (BlueCard Basic) PPO
National (BlueCard) PPO
Platinum Blue Access-WI PPO
Platinum Blue Preferred-WI POS
Platinum Blue Priority-WI POS
Silver Blue Access-WI PPO
Silver Blue Preferred-WI POS
Silver Blue Priority-WI POS
Well Priority-WI POS
Anthem Blue Cross Blue Shield
Anthem Blue Cross Blue Shield HMO
Blue Preferred Plus POS
Blue Cross Blue Shield
Blue Card PPO
CareFirst Blue Cross Blue Shield
HealthyBlue 2.0
HealthyBlue Advantage
Cigna
Cigna HMO
Cigna PPO
Open Access Plus
First Health (Coventry Health Care)
First Health (Coventry Health Care) PPO
Humana
Choice Care PPO
Preferred PPO
MultiPlan
MultiPlan PPO
PHCS Network PPO

Background Check

Healthgrades does not collect malpractice claims information for Wisconsin
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Practice Areas

Blood Disorders

Blood disorders specialists diagnose and treat conditions that affect the blood's ability to function, including hemophilia, anemia, and sickle cell disease.Compare with other Blood Disorders specialists.

Typically treats 88% more than similar doctors

Based on claims data for 14 conditions and procedures

TreatmentsTreatment Frequency
Blood Disorders
very high
very high

Treatment Frequency

Dr. Wassenaar treats Blood Disorders more than 99% of their peers

Dr. Wassenaar treats this condition more than 99% of their peers

Anemia
very high
very high

Treatment Frequency

Dr. Wassenaar treats Anemia more than 99% of their peers

Dr. Wassenaar treats this condition more than 99% of their peers

Bleeding Disorders
very high
very high

Treatment Frequency

Dr. Wassenaar treats Bleeding Disorders more than 98% of their peers

Dr. Wassenaar treats this condition more than 98% of their peers

Blood Cancers

Blood cancer specialists diagnose and treat cancers such as leukemia, lymphoma and myeloma that affect the blood cells, bone marrow, or lymphatic system.Compare with other Blood Cancers specialists.

Typically treats 74% more than similar doctors

Based on claims data for 7 conditions and procedures

TreatmentsTreatment Frequency
Chronic Lymphocytic Leukemia
very high
very high

Treatment Frequency

Dr. Wassenaar treats Chronic Lymphocytic Leukemia more than 99% of their peers

Dr. Wassenaar treats this condition more than 99% of their peers

Non-Hodgkin's Lymphoma
very high
very high

Treatment Frequency

Dr. Wassenaar treats Non-Hodgkin's Lymphoma more than 94% of their peers

Dr. Wassenaar treats this condition more than 94% of their peers

Reticulosarcoma
high
high

Treatment Frequency

Dr. Wassenaar treats Reticulosarcoma more than 85% of their peers

Dr. Wassenaar treats this condition more than 85% of their peers

Lymphatic Disorders

Lymphatic disorders specialists diagnose and treat conditions affecting the lymphatic system, including lymphedema, lymphadenitis, and lymphangitis.Compare with other Lymphatic Disorders specialists.

Typically treats 70% more than similar doctors

Based on claims data for 4 conditions and procedures

TreatmentsTreatment Frequency
Non-Hodgkin's Lymphoma
very high
very high

Treatment Frequency

Dr. Wassenaar treats Non-Hodgkin's Lymphoma more than 94% of their peers

Dr. Wassenaar treats this condition more than 94% of their peers

Nodular Lymphoma
normal
normal

Treatment Frequency

Dr. Wassenaar treats Nodular Lymphoma more than 82% of their peers

Dr. Wassenaar treats this condition more than 82% of their peers

Hodgkin's Disease
normal
normal

Treatment Frequency

Dr. Wassenaar treats Hodgkin's Disease more than 61% of their peers

Dr. Wassenaar treats this condition more than 61% of their peers

Hide other practice areas

Check Dr. Wassenaar's experience treating your condition or procedure

Dr. Wassenaar's conditions and procedures:

  • Acute Leukemia
  • Acute Lymphocytic Leukemia
  • Acute Lymphoid Leukemia
  • Acute Myeloid Leukemia
  • All Lymphoma
  • Anemia
  • Antiphospholipid Syndrome (APS)
  • Autoimmune Diseases
  • Bleeding Disorders
  • Blood Disorders
  • Blood Disorders in Pregnancy
  • Bone Cancer
  • Bone Disorders
  • Bone Marrow Biopsy
  • Burkitt's Lymphoma
  • Cancer
  • Central Nervous System Lymphoma
  • Chronic Lymphocytic Leukemia
  • Chronic Myeloid Leukemia (CML)
  • Coagulation Defects in Pregnancy and Postpartum
  • Coagulation Disorders (incl. Hemophilia)
  • Cryoglobulinemia
  • Deep Vein Thrombosis (DVT)
  • Hodgkin's Disease
  • Hypercoagulable State
  • Immune Thrombocytopenic Purpura (ITP)
  • Leukocytosis
  • Lymphocytosis
  • Lymphoma, Large-Cell
  • Lymphosarcoma
  • Macroglobulinemia (incl. Waldenstrom's )
  • Mantle Cell Lymphoma
  • Marginal Zone Lymphoma
  • Mast Cell Diseases
  • Multiple Myeloma
  • Mycosis Fungoides
  • Myelodysplastic Syndromes
  • Myeloma
  • Myeloproliferative Disorders
  • Neutropenia
  • Nodular Lymphoma
  • Non-Hodgkin's Lymphoma
  • Pancytopenia
  • Peripheral T-Cell Lymphoma
  • Plasmapheresis
  • Polycythemia Rubra Vera
  • Pregnancy-Related Disorders
  • Primary Central Nervous System Lymphoma
  • Primary Hypercoagulable State (incl. Factor V Leiden Disease)
  • Purpura
  • Qualitative Platelet Defects (incl. Glanzmann's Thrombasthenia)
  • Reticulosarcoma
  • Thrombocytosis
  • Thrombosis
  • Vascular Disease
  • Venous Embolism and Thrombosis
  • von Willebrand Disease

Dr. Wassenaar's Reviews

Likelihood to recommend Dr. Wassenaar

4.4

Based on 7 ratings

5 Stars
71.42857142857143%
(5)
4 Stars
14.285714285714286%
(1)
3 Stars
0%
(0)
2 Stars
14.285714285714286%
(1)
1 Star
0%
(0)
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My husband has been seeing Dr Wasanaar for a number of years. He is very easy to relate to and is thorough in his care and treatment..
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Dec 05, 2018
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About Me

Biography

Dr. Timothy Wassenaar, MD is a Hematology Specialist in Waukesha, WI and has over 18 years of experience in the medical field. Dr. Wassenaar has more experience with Blood Disorders, Blood Cancers, and Lymphatic Disorders than other specialists in h...Read more

Specialties

  • Hematology
  • Hospice & Palliative Medicine

Board Certifications

  • Hematology
  • Hospice Care and Palliative Medicine
  • Internal Medicine

Education

2008
University of Wisconsin Hospitals and Clinics
Fellowship Hospital
2005
University of Wisconsin Hospitals and Clinics
Residency Hospital
2003
University of Wisconsin Hospitals and Clinics
Internship Hospital
2002
Chicago Medical School Rosalind Franklin University
Medical School

Awards

Frequently Asked Questions

Does Dr. Timothy Wassenaar, MD offer telehealth services?

Does Dr. Timothy Wassenaar, MD accept my insurance?

What are Dr. Timothy Wassenaar, MD's top areas of care?

Locations

University of Wisconsin Cancer Center Prohealth

Kinex Medical Company LLCN16w24131 Riverwood Dr Waukesha, WI 53188
1

Practice

Oconomowoc Memorial Hospital791 Summit Ave Oconomowoc, WI 53066
2

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Wassenaar treats patients.

Learn more

Oconomowoc Memorial Hospital

Oconomowoc, WI

72% Patient experience rating, 3% higher than the national average

  • Patient Safety Excellence Award™ (2020)

Waukesha Memorial Hospital

Waukesha, WI

78% Patient experience rating, 9% higher than the national average

  • Outstanding Patient Experience Award™ (2020, 2018)
  • America's 250 Best Hospitals Award™ (2018)