Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Derleth, Gastroenterologist in Seattle, WA?
Dr. Mark Derleth, MD is a Gastroenterologist, who primarily practices in Seattle, WA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Derleth graduated from Boston University School of Medicine and completed his residency at University of Washington, Dept of Radiation Oncology. Dr. Derleth is fluent in English and Spanish, and is currently seeing new patients. Dr. Derleth’s practice accepts Cigna, Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Derleth’s office.
Where did Dr. Derleth go to medical school and complete their residency?
Fellowship: University of Washington, Dept of Radiation Oncology
Residency: University of Washington, Dept of Radiation Oncology
Medical School: Boston University School of Medicine
Is Dr. Derleth board certified in Gastroenterologist?
Yes, Dr. Mark Derleth, MD is board certified by the American Board of Internal Medicine , American Board of Internal Medicine since 2009
What languages does Dr. Derleth speak?
Dr. Derleth and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Derleth treat?
As a Gastroenterologist, Dr. Derleth diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Derleth. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Gastroparesis
- Stomach and Duodenum Disorder
- Stomach or Duodenum Polyp
- Stomach Disorder
- Delayed Gastric Emptying
- Stomach Paralysis
- Gastric Motility Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
ICD-10 Codes:
- K3184: Gastroparesis
- K3189: Other diseases of stomach and duodenum
- K317: Polyp of stomach and duodenum
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Dark, Tarry Stools (Melena)
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K921: Melena
- K625: Hemorrhage of anus and rectum
Also known as:
- Pre-Procedure Lab Tests
- Pre-op blood work
- Lab tests before surgery
- Pre-treatment lab assessment
ICD-10 Codes:
- Z01812: Encounter for preprocedural laboratory examination
Also known as:
- Crohn's Disease Affecting Small and Large Intestines
- Crohn's Disease
- Crohn’s Disease
- Panenteric Crohn's Disease
- Crohn's of Both Bowels', 'Generalized Crohn's Disease
- Complicated Crohn's Disease
- Inflammatory Bowel Disease (IBD) with Complications
- Regional Enteritis with Complications
ICD-10 Codes:
- K5080: Crohn's disease of both small and large intestine without complications
- K50919: Crohn's disease, unspecified, with unspecified complications
Also known as:
- Non-Infectious Gastroenteritis and Colitis
- Digestive Disease
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- K529: Noninfective gastroenteritis and colitis, unspecified
Also known as:
- Gastrostomy
- Ostomy
- Feeding Tube Opening
- Stomach Stoma
- G-tube
ICD-10 Codes:
- Z931: Gastrostomy status
Also known as:
- Irritable Bowel Syndrome (IBS)
- Irritable Bowel Syndrome
- Spastic Colon
- Functional Bowel Disorder
- IBS
ICD-10 Codes:
- K589: Irritable bowel syndrome, unspecified
Also known as:
- Benign Ascending Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Abnormal Bowel Movements
- Bowel Movement
- Unusual stool
- Changes in poop
- Fecal changes
ICD-10 Codes:
- R195: Other fecal abnormalities
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Other Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Swallowing problems
ICD-10 Codes:
- R1319: Other dysphagia
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Which procedures does Dr. Derleth perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Mark Derleth may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Derleth's office.
Does Dr. Derleth accept my insurance?
Dr. Derleth accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Derleth accept in Seattle, WA?
Dr. Derleth in Seattle, WA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Boeing
Cambia (Regence)
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
Molina
Premera Blue Cross
State of Washington
UnitedHealthcare
View All Insurances
Where is Dr. Derleth's office located?
What is Dr. Derleth's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Derleth's National Provider Identifier (NPI) number is 1356457063.
What common questions do patients ask about Dr. Derleth?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Derleth
What is Dr. Mark Derleth's specialty?
Dr. Derleth is a Gastroenterologist near Seattle, WA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Derleth to book an appointment today.
Is this Dr. Mark Derleth affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Derleth is affiliated with Uw Medical Center - Montlake which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Mark Derleth accepting new patients in Seattle, WA?
Yes, Dr. Mark Derleth is accepting new patients at this time.
Does Dr. Mark Derleth offer online booking?
Please contact Dr. Derleth's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark Derleth?
Please contact Dr. Derleth's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mark Derleth have?
Dr. Mark Derleth is certified by the American Board of Internal Medicine.
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