Dr. Lynn Van Ummersen, MD

Dr. Lynn Van Ummersen, MD

Oncology  ·  
Female  ·  
Age 53
Dr. Lynn Van Ummersen, MD is an oncology specialist in Lake Mary, FL and has been practicing for 27 years. She graduated from University of Massachusetts / Worcester Campus in 1991 and specializes in oncology.

917 Rinehart Rd Ste 2041

Lake Mary, FL 32746

Contact Information

(407) 804-6133

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Florida
  • Cigna
  • First Health (Coventry Health Care)
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Van Ummersen

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Van Ummersen performs your care needs compared to other doctors.

Breast Diseases
very high
more than 90% of peers
more than 77% of peers
Colorectal Cancer
more than 76% of peers

Dr. Van Ummersen's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Oncology

1  Board Certifications

  • Medical Oncology
    Accredited by: American Board of Internal Medicine*

61  Conditions Treated


Read Less

1  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for Florida.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University of Massachusetts / Worcester Campus
    Medical School | Graduated 1991

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Van Ummersen has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Van Ummersen does not have any memberships or affiliations listed. If you are Dr. Van Ummersen and would like to add memberships or affiliations, please update your profile.

Dr. Van Ummersen's Reviews

Likelihood of recommending Dr. Van Ummersen to family and friends
4 total reviews (2 have comments)

Likelihood to Recommend (4)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Van Ummersen's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    16 to 30 minutes

Patient Comments (2)

Dr. VanUmmersen is a fantastic doctor. She take times with patients and explains everything so you understand.
Was this helpful? thumbs up icon optionthumbs down icon option
Flag this
I have been to alot of doctors for my polocythemia and by far this Dr has been light years above the rest takes time with patients explains what is going on does not treat you like a 15 minute Dr we the people of U.S.A could use a lot more Drs that take the time and effort that this Physician does...more
Was this helpful? thumbs up icon optionthumbs down icon option
Flag this
Are you Dr. Van Ummersen?
Make it easy for patients to share their feedback. Also manage your personalized profile!

Nearby doctors with similar experience

Gynecologic Oncology
Gynecologic Oncology
Radiation Oncology
General Surgery