59 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Treyzon, Gastroenterologist in Beverly Hills, CA?
Dr. Leo Treyzon, MD is a Gastroenterologist, who primarily practices in Beverly Hills, CA with 1 additional practice location. He has been practicing for over 59 years. Dr. Treyzon completed his residency at Cedars-Sinai Med Ctr, Internal Medicine. Dr. Treyzon is fluent in English, and is currently seeing new patients. Dr. Treyzon’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Treyzon’s office at (310) 652-4472.
What are Areas of Expertise for Dr. Treyzon?
Dr. Leo Treyzon, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Treyzon empowers patients to confidently navigate their health journey, specializing in Colonoscopy & Polypectomy, Constipation, Diarrheal Diseases, Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome, Nutrition, Obesity, or comprehensive wellness support. Serving the Beverly Hills/CA community, Dr. Treyzon is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Treyzon go to medical school and complete their residency?
Fellowship: University California
Residency: Cedars-Sinai Med Ctr, Internal Medicine | Cedar Sinai Medical Center, Los Angeles, CA
Medical School: University of Ca, San Diego, Sch of Med, La Jolla Ca
What languages does Dr. Treyzon speak?
Dr. Treyzon and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Treyzon treat?
As a Gastroenterologist, Dr. Treyzon 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. Treyzon. 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
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Stomach or Duodenum Polyp
- Stomach Disorder
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
ICD-10 Codes:
- K317: Polyp of stomach and duodenum
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Rectal Polyp
- Rectal Disorder
- Rectal Growth
- Colon Polyp
- Benign Rectal Tumor
ICD-10 Codes:
- K621: Rectal polyp
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 Esophagus Condition
- Esophagus Disorder
- Various esophageal diseases
- Miscellaneous esophagus problems
- Other food pipe issues
ICD-10 Codes:
- K2289: Other specified disease of esophagus
What procedures does Dr. Treyzon perform?
As a Gastroenterologist, Dr. Treyzon 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. Treyzon. 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 Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 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)
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:
- Upper Endoscopy with Polyp Removal
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
CPT Codes:
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Colonoscopy with Injections
- Flexible Sigmoidoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
CPT Codes:
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
Does Dr. Treyzon accept my insurance?
Dr. Treyzon accepts most major insurance plans. Important: Please call our office at (310) 652-4472 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Treyzon accept in Beverly Hills, CA?
Dr. Treyzon in Beverly Hills, 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
Blue Shield of California
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Express Scripts
Medicare
Other Health Care Provider
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Treyzon's office located?
Dr. Leo Treyzon's Primary Practice
9454 Wilshire Blvd Ste 510
Beverly Hills, CA 90212
(310) 652-4472
What is Dr. Treyzon's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Treyzon's National Provider Identifier (NPI) number is 1740304203.
What common questions do patients ask about Dr. Treyzon?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Treyzon
What is Dr. Leo Treyzon's specialty?
Dr. Treyzon is a Gastroenterologist near Beverly Hills, 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. Treyzon to book an appointment today.
Is this Dr. Leo Treyzon affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Treyzon is affiliated with Cedars-Sinai Medical Center 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 Leo Treyzon accepting new patients in Beverly Hills, CA?
Yes, Dr. Leo Treyzon is accepting new patients at this time.
Does Dr. Leo Treyzon offer online booking?
Please contact Dr. Treyzon's office at (310) 652-4472 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Leo Treyzon?
Please contact Dr. Treyzon's office at (310) 652-4472 for information regarding telehealth appointment availability or for scheduling assistance.
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