32 Years of Experience
Accepting patients
Who is Dr. Sowerby, Gastroenterologist in San Rafael, CA?
Dr. Timothy Sowerby, MD is a Gastroenterologist, who primarily practices in San Rafael, CA with 2 additional practice locations. He has been practicing for over 32 years and is board certified by the American Board of Internal Medicine. Dr. Sowerby graduated from St. George's University School of Medicine and completed his residency at Kaiser Fndn Hosp-Los Angeles, Gastroenterology; Kaiser Permanente Med Ctr-Sf, Internal Medicine. Dr. Sowerby is fluent in English, Korean, Spanish, and Vietnamese, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Sowerby’s office at (415) 925-6900.
Where did Dr. Sowerby go to medical school and complete their residency?
Residency: Kaiser Fndn Hosp-Los Angeles, Gastroenterology; Kaiser Permanente Med Ctr-Sf, Internal Medicine | Kaiser Permanente San Francisco Medical Center | Kaiser Permanente Los Angeles Medical Center | Stanford University Hospital/Kaiser Permanente Medical Center Program
Medical School: Charing Cross & Westminter Medical School, Imperial College, University of London | St. George's University School of Medicine
Is Dr. Sowerby board certified in Gastroenterologist?
Yes, Dr. Timothy Sowerby, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Sowerby speak?
Dr. Sowerby and their clinical team can communicate with patients in the following languages:
English
Korean
Spanish
Vietnamese
What conditions does Dr. Sowerby treat?
As a Gastroenterologist, Dr. Sowerby 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. Sowerby. 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:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Third Degree Hemorrhoids
- Hemorrhoids
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
ICD-10 Codes:
- K642: Third degree hemorrhoids
Also known as:
- Chronic Idiopathic Constipation
- Constipation
- Functional Constipation
- Unexplained Chronic Constipation
- Long-Term Constipation
ICD-10 Codes:
- K5904: Chronic idiopathic constipation
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
What procedures does Dr. Sowerby perform?
As a Gastroenterologist, Dr. Sowerby performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Sowerby. 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:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Does Dr. Sowerby accept my insurance?
Dr. Sowerby accepts most major insurance plans. Important: Please call our office at (415) 925-6900 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sowerby accept in San Rafael, CA?
Dr. Sowerby in San Rafael, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Crown Cork and Seal Company
Health Plan of San Joaquin
View All Insurances
Where is Dr. Sowerby's office located?
Dr. Timothy Sowerby's Primary Practice
99 Montecillo Rd
San Rafael, CA 94903
(415) 925-6900
Recognitions
Awards
[415] Top Doctor, Marin Magazine
What is Dr. Sowerby's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sowerby's National Provider Identifier (NPI) number is 1063475952.
What common questions do patients ask about Dr. Sowerby?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sowerby
What is Dr. Timothy Sowerby's specialty?
Dr. Sowerby is a Gastroenterologist near San Rafael, CA. 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. Sowerby to book an appointment today.
Is this Dr. Timothy Sowerby affiliated with a ranked Castle Connolly Top Hospital?
No, Sowerby is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Timothy Sowerby accepting new patients in San Rafael, CA?
Yes, Dr. Timothy Sowerby is accepting new patients at this time.
Does Dr. Timothy Sowerby offer online booking?
Please contact Dr. Sowerby's office at (415) 925-6900 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Timothy Sowerby?
Please contact Dr. Sowerby's office at (415) 925-6900 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Timothy Sowerby have?
Dr. Timothy Sowerby is certified by the American Board of Internal Medicine.
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