32 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Harrison, Gastroenterologist in Reno, NV?
What are Areas of Expertise for Dr. Harrison?
Dr. Clark Harrison, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Harrison empowers patients to confidently navigate their health journey, specializing in Colon Cancer Screening, and comprehensive wellness support. Serving the Reno, NV community, Dr. Harrison is dedicated to enhancing lives through expert, patient-centered care.
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 as a 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 a Gastroenterologist like Dr. Harrison typically 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. Learn more about our claims-based healthcare methodology.
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:
- 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:
- Other Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Swallowing problems
ICD-10 Codes:
- R1319: Other dysphagia
What procedures does a Gastroenterologist like Dr. Harrison typically perform?
As a Gastroenterologist, Dr. Harrison 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. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Also known as:
- Esophagus Widening Procedure (Endoscopic)
- Diagnostic Upper Endoscopy with Biopsy
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
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
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
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
HealthRight Group
Medicare
Renown Health
State of Nevada
UMR Administered Payer
UnitedHealth Group
Universal Health Services
View All Insurances
Where is Dr. Harrison's office located?
What hospitals are Dr. Harrison affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Harrison has admitting privileges at the following hospitals:
What is Dr. Harrison's NPI number?A 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