Dr. Mark Sitarik, MD

Dr. Mark Sitarik, MD

Medical Oncology  ·  
Male  ·  
60 y/o

Accepting new patients

Dr. Mark Sitarik, MD is a medical oncology specialist in Boulder, CO and has been practicing for 33 years. He specializes in medical oncology, hematology, and more.

Rocky Mountain Cancer Centers

4715 Arapahoe Ave

Boulder, CO 80303
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Insurance Accepted

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Kaiser Permanente
  • MultiPlan

Learn about Dr. Sitarik

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. Sitarik performs your care needs compared to other doctors.

Breast Diseases
very high
more than 98% of peers
very high
more than 97% of peers
Hypercoagulable State
very high
more than 96% of peers

Dr. Sitarik'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.

Care Philosophy

This content was provided by Dr. Sitarik "My goal is to treat each of my patients as an individual with unique wants and needs. I strive to treat each of my patients with respect and enthusiasm while providing state-of-the-art, compassionate care."

3  Specialties

  • Medical Oncology
  • Hematology
  • Oncology

3  Board Certifications

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

74  Conditions Treated

Read Less

10  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for Colorado.

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.


  • Hahnemann University
    Medical School | Graduated 1982
  • University Hosps Cleveland
    Internship Hospital | Completed 1983
  • University Hosps Cleveland
    Residency Hospital | Completed 1985
  • University Colo Health Scis Center
    Fellowship Hospital | Completed
  • University Of Colorado
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Sitarik has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

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

Dr. Sitarik's Reviews

Likelihood of recommending Dr. Sitarik to family and friends
6 total reviews (2 have comments)

Likelihood to Recommend (6)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Sitarik's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    10 to 15 minutes

Patient Comments (2)

Dr. Sitarik literally saved my life. I'll never EVERY forget all that he did for me. He and his medical assistant, Lolly, are two of the most professional, caring and knowledgeable people I came in contact with during my illness. I have recommended him to my friends and family without...more
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Hard to speak well about my/our experience since my sister only got to see him 3 time in 3 months and I as her caregiver only saw him twice in those same 3 months. If he's not going to be in the office he should not take on so many patients. I would not recommend him, I would warn anyone who wants...more
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