JC
20 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Clarke, Gastroenterologist in Redwood City, CA?
Dr. John Clarke, MD is a Gastroenterologist, who primarily practices in Redwood City, CA with 2 additional practice locations. He has been practicing for over 20 years and is board certified by the American Board of Internal Medicine. Dr. Clarke is fluent in English and French, and is currently seeing new patients. Dr. Clarke’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Clarke’s office at (650) 736-5555.
Is Dr. Clarke board certified in Gastroenterologist?
Yes, Dr. John Clarke, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Clarke speak?
Dr. Clarke and their clinical team can communicate with patients in the following languages:
English
French
What conditions does Dr. Clarke treat?
As a Gastroenterologist, Dr. Clarke 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. Clarke. 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:
- 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:
- Other Esophagus Condition
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Various esophageal diseases
- Miscellaneous esophagus problems
- Other food pipe issues
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2289: Other specified disease of esophagus
- K2270: Barrett's esophagus without dysplasia
Also known as:
- Blocked Esophagus
- Achalasia
- Eosinophilic Esophagitis
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
- Esophageal Achalasia
- Cardia Achalasia
- Difficulty Swallowing
- EoE
- Allergic Esophagitis
- Eosinophilic Inflammation of Esophagus
ICD-10 Codes:
- K222: Esophageal obstruction
- K220: Achalasia of cardia
- K200: Eosinophilic esophagitis
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Gastroparesis
- Stomach and Duodenum Disorder
- Stomach Disorder
- Delayed Gastric Emptying
- Stomach Paralysis
- Gastric Motility Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
- Gastric Condition
- Duodenal Condition
- Digestive System Problem
ICD-10 Codes:
- K3184: Gastroparesis
- K3189: Other diseases of stomach and duodenum
- K319: Disease of stomach and duodenum, unspecified
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:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Other Scleroderma Condition
- Scleroderma
- Systemic scleroderma
- Systemic Sclerosis
- Different Types of Scleroderma
- Atypical Scleroderma
ICD-10 Codes:
- M3489: Other systemic sclerosis
Also known as:
- Chronic Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
ICD-10 Codes:
- K2950: Unspecified chronic gastritis without bleeding
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Nausea and Vomiting
- Feeling Sick and Throwing Up
- Stomach Flu Symptoms
- Queasy and Vomiting
ICD-10 Codes:
- R112: Nausea with vomiting, unspecified
Which procedures does Dr. Clarke perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. John Clarke 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. Clarke's office.
Does Dr. Clarke accept my insurance?
Dr. Clarke accepts most major insurance plans. Important: Please call our office at (650) 736-5555 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Clarke accept in Redwood City, CA?
Dr. Clarke in Redwood City, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Advantage
All Other Third Party
Blue Shield of California
Central California Alliance for Health
CVS Health (formerly Aetna)
Express Scripts
Medicaid
Medicare
Santa Clara Family Health Plan
UnitedHealthcare
View All Insurances
Where is Dr. Clarke's office located?
What is Dr. Clarke's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Clarke's National Provider Identifier (NPI) number is 1467539643.
What common questions do patients ask about Dr. Clarke?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Clarke
What is Dr. John Clarke's specialty?
Dr. Clarke is a Gastroenterologist near Redwood City, 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. Clarke to book an appointment today.
Is this Dr. John Clarke affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Clarke is affiliated with Stanford Health Care - Stanford Hospital, Mills-Peninsula Medical Center which are a Castle Connolly Top Hospitals. 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 John Clarke accepting new patients in Redwood City, CA?
Yes, Dr. John Clarke is accepting new patients at this time.
Does Dr. John Clarke offer online booking?
Please contact Dr. Clarke's office at (650) 736-5555 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Clarke?
Please contact Dr. Clarke's office at (650) 736-5555 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Clarke have?
Dr. John Clarke is certified by the American Board of Internal Medicine.
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