Dr. Mary Len, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Len is offering online scheduling or call the provider’s office for more information.
- FindCare
- Pediatric Gastroenterologists
- WA
- Seattle
- Dr. Mary Len, MD
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Dr. Mary Len, MD
Pediatric Gastroenterology*
3.0 (6)
Seattle, WA
Accepting new patients
39 years of experience
Offers telehealth
Overview of Dr. Mary Len, MD
Dr. Mary Len, MD is a Pediatric Gastroenterology Specialist in Seattle, WA. They specialize in Pediatric Gastroenterology, has 39 years of experience, and is board certified in Pediatric Gastroenterology. They graduated from Rosalind Franklin University Chicago Medical School and is affiliated with MultiCare Tacoma General Hospital, Arbor Health - Morton Hospital, Forks Community Hospital, Mason General Hospital and Family Of Clinics, Providence Centralia Hospital, Providence St. Peter Hospital, Seattle Children's Hospital, Trios Women's and Children's Hospital and Yakima Valley Memorial. Patients rated Dr. Len an average 3.0 star rating.
Dr. Len works at
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Dr. Len's Office Locations
-
1
Seattle Children's Hospital4800 Sand Point Way NE, Seattle, WA 98105 Directions (206) 987-2000
-
2
Office615 Lilly Rd NE Ste 140, Olympia, WA 98506 Directions (360) 459-5009
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3
Office34920 ENCHANTED PKWY S, Federal Way, WA 98003 Directions (253) 838-5878
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4
Yakima Valley Farm Workers Clinic3801 Kern Way, Yakima, WA 98902 Directions (509) 574-3220
Hospital Affiliations
Admitting Hospitals
Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.
Admitting Hospitals
Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.
Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.
- MultiCare Tacoma General Hospital
- Arbor Health - Morton Hospital
- Forks Community Hospital
- Mason General Hospital and Family Of Clinics
- Providence Centralia Hospital
- Providence St. Peter Hospital
- Seattle Children's Hospital
- Trios Women's and Children's Hospital
- Yakima Valley Memorial
Experience & Treatment Frequency
NEW FEATURE
What is treatment frequency?
Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:
Very HighFrequency HighFrequency NormalFrequency May Perform Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.
NEW FEATURE
What is treatment frequency?
Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:
Very HighFrequency
HighFrequency
NormalFrequency
May Perform
Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.
Search for conditions or procedures.
Condition or procedure
Treatment Frequency
Manometry
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Constipation
Abdominal Pain
Anal or Rectal Pain
Anemia
Ascites
Barrett's Esophagus
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Celiac Disease
Cholangitis
Chronic Gastritis
Cirrhosis
Colorectal Cancer
Colorectal Polyp
Crohn's Disease
Cyclical Vomiting
Dehydration
Diarrhea
Duodenal Ulcer
Duodenitis
Dysentery
Dysphagia
Enteritis
Eosinophilic Esophagitis
Eosinophilic Gastritis
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Esophagitis
Familial Adenomatous Polyposis
Food Allergy
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroptosis
Gastroschisis
Giardiasis
Heartburn
Hemorrhoids
Ileus
Indigestion
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Malnutrition
Nausea
Non-Alcoholic Fatty Liver Disease
Non-Neonatal Jaundice
Pancreatitis
Pelvic Abscess
Peptic Ulcer
Proctoptosis
Rectal Prolapse
Reflux Esophagitis
Spleen Cyst
Ulcerative Colitis
Unexplained Weight Loss
Velocardiofacial Syndrome
Viral Enteritis
Vitamin_Deficiency
Vomiting Disorders
Colon Cancer Screening
Colonoscopy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Colorectal Cancer Screening
Duodenal Polypectomy
Endoscopy (Esophagus, Stomach, Small Intestine)
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Liver Biopsy
Liver Function Test
pH Probe
Ultrasound
VAP Lipid Testing
Wireless pH Testing
Manometry
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Constipation
Manometry
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Constipation
Treatment frequency
Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Manometry
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ERCP (Endoscopic Retrograde Cholangiopancreatography)
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Constipation
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Abdominal Pain
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Gastroesophageal Reflux Disease (GERD)
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Vomiting Disorders
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Anal or Rectal Pain
- View other providers who treat Anal or Rectal Pain
Anemia
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Ascites
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Barrett's Esophagus
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Benign Neoplasm of the Digestive System
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Bile Duct Obstruction
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Celiac Disease
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Cholangitis
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Chronic Gastritis
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Cirrhosis
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Colorectal Cancer
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Colorectal Polyp
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Crohn's Disease
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Cyclical Vomiting
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Dehydration
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Diarrhea
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Duodenal Ulcer
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Duodenitis
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Dysentery
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Dysphagia
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Enteritis
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Eosinophilic Esophagitis
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Eosinophilic Gastritis
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Esophageal Motility Disorders
- View other providers who treat Esophageal Motility Disorders
Esophageal Ulcer
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Esophageal Varices
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Esophagitis
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Familial Adenomatous Polyposis
- View other providers who treat Familial Adenomatous Polyposis
Food Allergy
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Gas-Bloat Syndrome
- View other providers who treat Gas-Bloat Syndrome
Gastric Ulcer
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Gastritis
- View other providers who treat Gastritis
Gastrointestinal Bleeding
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Gastrointestinal Malabsorption
- View other providers who treat Gastrointestinal Malabsorption
Gastroptosis
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Gastroschisis
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Giardiasis
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Heartburn
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Hemorrhoids
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Ileus
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Indigestion
- View other providers who treat Indigestion
Infectious Diarrheal Disease
- View other providers who treat Infectious Diarrheal Disease
Inflammatory Bowel Disease
- View other providers who treat Inflammatory Bowel Disease
Intestinal Obstruction
- View other providers who treat Intestinal Obstruction
Intestinal Ulcer
- View other providers who treat Intestinal Ulcer
Irritable Bowel Syndrome
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Malnutrition
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Nausea
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Non-Alcoholic Fatty Liver Disease
- View other providers who treat Non-Alcoholic Fatty Liver Disease
Non-Neonatal Jaundice
- View other providers who treat Non-Neonatal Jaundice
Pancreatitis
- View other providers who treat Pancreatitis
Pelvic Abscess
- View other providers who treat Pelvic Abscess
Peptic Ulcer
- View other providers who treat Peptic Ulcer
Proctoptosis
- View other providers who treat Proctoptosis
Rectal Prolapse
- View other providers who treat Rectal Prolapse
Reflux Esophagitis
- View other providers who treat Reflux Esophagitis
Spleen Cyst
- View other providers who treat Spleen Cyst
Ulcerative Colitis
- View other providers who treat Ulcerative Colitis
Unexplained Weight Loss
- View other providers who treat Unexplained Weight Loss
Velocardiofacial Syndrome
- View other providers who treat Velocardiofacial Syndrome
Viral Enteritis
- View other providers who treat Viral Enteritis
Vitamin_Deficiency
- View other providers who treat Vitamin_Deficiency
Colon Cancer Screening
- View other providers who treat Colon Cancer Screening
Colonoscopy
- View other providers who treat Colonoscopy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
- View other providers who treat Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Colorectal Cancer Screening
- View other providers who treat Colorectal Cancer Screening
Duodenal Polypectomy
- View other providers who treat Duodenal Polypectomy
Endoscopy (Esophagus, Stomach, Small Intestine)
- View other providers who treat Endoscopy (Esophagus, Stomach, Small Intestine)
Gallbladder Scan
- View other providers who treat Gallbladder Scan
Hepatitis A Screening
- View other providers who treat Hepatitis A Screening
Hepatitis B Virus Screening
- View other providers who treat Hepatitis B Virus Screening
Hepatitis C Virus Screening
- View other providers who treat Hepatitis C Virus Screening
Hepatitis Screening
- View other providers who treat Hepatitis Screening
Impedance Testing
- View other providers who treat Impedance Testing
Liver Biopsy
- View other providers who treat Liver Biopsy
Liver Function Test
- View other providers who treat Liver Function Test
pH Probe
- View other providers who treat pH Probe
Ultrasound
- View other providers who treat Ultrasound
VAP Lipid Testing
- View other providers who treat VAP Lipid Testing
Wireless pH Testing
- View other providers who treat Wireless pH Testing
Check your insurance
Please double-check when making an appointment.
View All Accepted Carriers
- Aetna
- Anthem
- Blue Cross Blue Shield
- CareFirst Blue Cross Blue Shield
- Cigna
- First Health
- Group Health Cooperative (GHC)
- MultiPlan
* Please verify this information when scheduling an appointment.
Ratings & Reviews
Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.
Learn more about how FindCare's ratings and reviews work
Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.
Learn more about how FindCare's ratings and reviews work
Learn more about how FindCare's ratings and reviews work
3.0
Average provider rating
Based on 6 ratings
Patient Ratings (6)
5 Star
(3)
4 Star
(0)
3 Star
(0)
2 Star
(0)
1 Star
(3)
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About Dr. Mary Len, MD
Specialties*
- Pediatric Gastroenterology
-
*Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Specialties*
Years of Experience
- 39 years of experience
Years of Experience
Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.
Languages Spoken
- English
Languages Spoken
NPI Number
- 1538240882
NPI Number
A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.
Education & Certifications
Medical Education
- Rosalind Franklin University Chicago Medical School
Medical Education
Board Certifications
- Pediatric Gastroenterology
Board Certifications
What’s a board certification and why is it important that my provider has one?
A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Frequently Asked Questions
Dr. Len accepts Aetna, Anthem and Blue Cross Blue Shield, and other major insurance plans. Please call ahead to confirm all accepted insurance plans.
Dr. Len has indicated that they do offer telehealth services. Please call the provider’s office at for more information.
Dr. Len works at
6 patients have reviewed Dr. Len. The overall rating for this provider is 3.0. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Len.
Whether a person prefers to schedule an appointment online or over the phone with Dr. Len, there are benefits to both methods. A person calling to schedule an with Dr. Len appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.
Related Articles
Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Len, or would you like to choose another provider and have an online appointment right now?
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(206) 987-2000