Dr. Mary Len, MD

Dr. Mary Len, MD

Pediatric Gastroenterology  ·  
Female  ·  
Age 59
Dr. Mary Len, MD is a pediatric gastroenterology specialist in Federal Way, WA and has been practicing for 33 years. She graduated from Chicago Medical School Rosalind Franklin University in 1985 and specializes in pediatric gastroenterology.

34503 9th Ave S Ste 300

Federal Way, WA 98003

Contact Information

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Group Health Cooperative
  • MultiPlan
  • Regence Blue Cross Blue Shield

*Please verify this information when scheduling an appointment.

Learn about Dr. Len

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. Len performs your care needs compared to other doctors.

more than 13% of peers
Abdominal Disorders
more than 12% of peers
Gastrointestinal Diseases
more than 12% of peers

Dr. Len'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

  • Pediatric Gastroenterology

1  Board Certifications

  • Pediatric Gastroenterology
    Accredited by: American Board of Pediatrics*

39  Conditions Treated


Read Less

3  Procedures

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Washington.

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.


  • Chicago Medical School Rosalind Franklin University
    Medical School | Graduated 1985

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Len has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

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

Dr. Len's Reviews

Likelihood of recommending Dr. Len to family and friends
5 total reviews

Likelihood to Recommend (5)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Len'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
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