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32 Years of Experience
Accepting patients
Who is Dr. Harrison, Gastroenterologist in Reno, NV?
Dr. Clark Harrison, MD is a Gastroenterologist, who primarily practices in Reno, NV 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. Harrison graduated from University of Virginia Medical School and completed his residency at Or Hlth Sci Univ Hosp, Gastroenterology; Univ Ca Davis Med Ctr, Internal Medicine. Dr. Harrison is fluent in English, Hindi, Spanish, and Tagalog, and is currently seeing new patients. Dr. Harrison’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. Harrison’s office at (775) 329-4600.
Where did Dr. Harrison go to medical school and complete their residency?
Residency: Or Hlth Sci Univ Hosp, Gastroenterology; Univ Ca Davis Med Ctr, Internal Medicine | Or Health Science University Hospital | MetroHealth Medical Center Program
Medical School: University of Va Sch of Med, Charlottesville Va | University of Virginia Medical School
Is Dr. Harrison board certified in Gastroenterologist?
Yes, Dr. Clark Harrison, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Harrison speak?
Dr. Harrison and their clinical team can communicate with patients in the following languages:
English
Hindi
Spanish
Tagalog
What conditions does Dr. Harrison treat?
As a Gastroenterologist, Dr. Harrison 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. Harrison. 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:
- Benign Ascending Colon Polyp
- Benign Transverse Colon Polyp
- Benign Cecum Polyp
- Benign Sigmoid Colon Polyp
- Benign Descending Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
- Non-cancerous cecum growth
- Cecal adenoma
- Cecum benign tumor
- Non-cancerous sigmoid colon growth
- Sigmoid colon adenoma
- Sigmoid colon benign tumor
- Non-cancerous descending colon growth
- Descending colon adenoma
- Descending colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D123: Benign neoplasm of transverse colon
- D120: Benign neoplasm of cecum
- D125: Benign neoplasm of sigmoid colon
- D124: Benign neoplasm of descending 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:
- 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
Also known as:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
Also known as:
- Other Esophagus Condition
- Esophagus Disorder
- Various esophageal diseases
- Miscellaneous esophagus problems
- Other food pipe issues
ICD-10 Codes:
- K2289: Other specified disease of esophagus
Also known as:
- Other Intestinal Condition
- Colonic Disease
- Small Intestine Disorder
- Bowel Conditions
- Gut Problems
- Digestive Issues
ICD-10 Codes:
- K6389: Other specified diseases of intestine
Also known as:
- Other Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Other gastritis types
- Various stomach inflammations
- Uncommon gastritis
ICD-10 Codes:
- K2960: Other gastritis without bleeding
Also known as:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
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:
- Non-cancerous Rectum Growth
- Benign Tumor
- Rectal Disorder
- Benign rectal tumor
- Rectal neoplasm
- Non-malignant rectal mass
ICD-10 Codes:
- D128: Benign neoplasm of rectum
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:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Which procedures does Dr. Harrison perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Clark Harrison 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. Harrison's office.
Does Dr. Harrison accept my insurance?
Dr. Harrison accepts most major insurance plans. Important: Please call our office at (775) 329-4600 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Harrison accept in Reno, NV?
Dr. Harrison in Reno, NV accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Medicare
Prominence Health Plan
Renown Health / Hometown Health
State of Nevada
The Health Plan of the Upper Ohio Valley
UnitedHealthcare
View All Insurances
Where is Dr. Harrison's office located?
What is Dr. Harrison's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Harrison's National Provider Identifier (NPI) number is 1679559496.
What common questions do patients ask about Dr. Harrison?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Harrison
What is Dr. Clark Harrison's specialty?
Dr. Harrison is a Gastroenterologist near Reno, NV. 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. Harrison to book an appointment today.
Is this Dr. Clark Harrison affiliated with a ranked Castle Connolly Top Hospital?
No, Harrison 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 Clark Harrison accepting new patients in Reno, NV?
Yes, Dr. Clark Harrison is accepting new patients at this time.
Does Dr. Clark Harrison offer online booking?
Please contact Dr. Harrison's office at (775) 329-4600 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Clark Harrison?
Please contact Dr. Harrison's office at (775) 329-4600 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Clark Harrison have?
Dr. Clark Harrison is certified by the American Board of Internal Medicine.
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