Summary

Dr. Mary Len specializes in gastroenterology and pediatrics, bringing over four decades of medical expertise to her practice. She earned her medical degree from Chicago Medical School at Rosalind Franklin University of Medicine and Science. With 41 years of experience treating patients, Dr. Len provides comprehensive care that bridges digestive health and pediatric medicine. She is fluent in Spanish and Korean, allowing her to communicate effectively with diverse patient populations.

Dr. Len practices at multiple locations throughout the Olympia and Seattle areas, including Seattle Children's Hospital, Providence Saint Peter Hospital, Multicare Capital Medical Center, and Saint Francis Hospital. Her clinical focus includes treating conditions such as constipation, abdominal pain, and swallowing difficulties. She performs specialized procedures including pathology tests, kidney transplant biopsies, and nerve biopsies to help diagnose and manage complex medical conditions. Patients have given Dr. Len an average rating of 2.1 on Vitals.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.1
  • 41 years of experience
  • speaks Spanish, Korean
  • Chicago Medical School At Rosalind Franklin University-Medicine & Sciences
  • 6 written reviews
  • 2 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 4 hospital affiliations
  • 4 office locations
  • Female

Office Locations

Dr. Mary Katherine Len has 4 locations

Seattle Childrens Olympia Clinic

615 Lilly Rd NE Ste 140Olympia, WA 98506
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Seattle Childrens Hospital

4800 Sand Point Way NeSeattle, WA 98105

Multicare Capital Medical Center

3900 Capital Mall Dr SwOlympia, WA 98502

Providence Saint Peter Hospital

413 Lilly Rd NeOlympia, WA 98506

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Dr. Mary Katherine Len, MD
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Dr. Mary Katherine Len, MDJi Soo Choi, APRNDr. Kayla Michelle Jaeger, MDDr. Sylvia Ruth Nash, MD
GastroenterologyGastroenterologyPediatricsEmergency Medicine
Accepts New Patients Accepts New Patients
2.1 
41 Years of Experience 13 Years of Experience 48 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Korean Speaks English
Olympia , WASACRAMENTO , CATacoma , WAPhoenix , AZ
Med School: Chicago Medical School At Rosalind Franklin University-Medicine & Sciences Med School: New York University Med School: Virginia Commonwealth University School Of Medicine Med School: UNIVERSITY OF CALGARY FACULTY OF MEDICINE
Current Profile
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Insurance Plans Accepted by Dr. Mary Katherine Len

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Mary Katherine Len has the following 2 specialties

Specialty Expertise

Dr. Mary Katherine Len has the following 2 areas of expertise

  • Pediatric Gastroenterology
  • Pediatrics

Certifications, License, & Education

41 Years Experience

MEDICAL LICENSE

Medical Doctor, Washington, 2026, Active

EDUCATION & TRAINING

Medical School

Chicago Medical School At Rosalind Franklin University-Medicine & SciencesGraduated in 1985

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Frequently Asked Questions

What languages does Dr. Mary Len speak?
Dr. Mary Len speaks Spanish and Korean.
Is Dr. Mary Len accepting new patients?
Dr. Mary Len is accepting new patients on Vitals. View Dr. Mary Len's profile on Vitals to make an appointment.
Where is Dr. Mary Len's office located?
Dr. Mary Len's office is located at 615 Lilly Rd NE Ste 140, Olympia, WA, 98506.
Does Dr. Mary Len accept virtual/telehealth appointments?
Dr. Mary Len has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Mary Len accept my insurance?
You can see the insurance plans that Dr. Mary Len accepts on their Vitals profile.

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