Dr. Ann Marie Stephenson, DO

Dr. Ann Marie Stephenson, DO

Gastroenterology  ·  
Dr. Ann Marie Stephenson, DO is a gastroenterology specialist in Rockville, MD and has been practicing for 7 years. She graduated from Philadelphia College of Osteopathic Medicine in 2003 and specializes in gastroenterology and internal medicine.

9420 Key West Ave Ste 202

Rockville, MD 20850

Contact Information

(301) 251-9555

Insurance Accepted

  • Amerigroup (Wellpoint)
  • Amerihealth
  • Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Keystone Health Plan East
  • Medicaid
  • 4 More

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Learn about Dr. Stephenson

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. Stephenson performs your care needs compared to other doctors.

Stomach Diseases
very high
more than 98% of peers
Gas-Bloat Syndrome
very high
more than 97% of peers
very high
more than 97% of peers

Dr. Stephenson'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. Stephenson "Areas of Expertise: Gastroenterology, Womens GI Health, GERD, IBS, Colon Cancer Screening My approach to medicine in treating the whole patient not just symptoms. I try to develop a trusting relationship with my patients and to be their best health advocate I can be for them. I also try to encourage my patients to take an active role in the management and treatment - as if we are a team!"

2  Specialties

  • Gastroenterology
  • Internal Medicine

0  Board Certifications

Dr. Stephenson does not have any board certifications listed.

64  Conditions Treated

Read Less

12  Procedures

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Maryland.

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.


  • Spelman College
    Undergraduate School | Graduated 1998
  • Philadelphia College of Osteopathic Medicine
    Medical School | Graduated 2003
  • Saint Josephs Medical Center
    Internship Hospital | Completed 2004
  • Frankford Hosps
    Residency Hospital | Completed 2007
  • Midwestern U/Olympia Fields Hosp
    Fellowship Hospital | Completed 2011
  • University of Medicine and Dentistry of New Jersey (UMDNJ)
    Fellowship Hospital | Completed 2008
  • Mba/Saint Joseph's University
    Other Education | Completed 2001

Awards & Recognition

Awards & Honors

Dr. Stephenson has no awards or honors listed.

Media & Publications

Dr. Stephenson has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

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

Dr. Stephenson's Reviews

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

Likelihood to Recommend (25)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Stephenson's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    Under 10 minutes

Patient Comments (2)

I was very impressed with Dr. Stephanson. It was one of the best office visits that I have had in a while. I was a healthcare provider for 45 years and she met all the important aspects of my care. I felt confident that she was well informed about my needs. She listened to my concerns, and I was...more
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I asked Dr. Stephenson to clarify what she was planning to do for my surgery just before the surgery; shesaid she was busy and had no time to answer and will answer in the OR; she did not come after the surgery to go over my discharge- the Registered Nurse had to do it for her, which is unethical-...more
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