SM
33 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mathews, Gastroenterologist in Fullerton, CA?
Dr. Sajen Mathews, MD is a Gastroenterologist, who primarily practices in Fullerton, CA with 2 additional practice locations. He has been practicing for over 33 years and is board certified. Dr. Mathews graduated from Bangalore Medical College and Research Institute and completed his residency at L A Co-Usc Med Ctr, Gastroenterology L A Co-Usc Med Ctr, Internal Medicine. Dr. Mathews is fluent in English and Hindi, and is currently seeing new patients. Dr. Mathews’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mathews’s office at (714) 446-5831.
Where did Dr. Mathews go to medical school and complete their residency?
Residency: L A Co-Usc Med Ctr, Gastroenterology L A Co-Usc Med Ctr, Internal Medicine | University of Southern California Medical Center, Los Angeles, CA
Medical School: Bangalore Med Coll, Bangalore University, Bangalore, Karnataka, India | Bangalore Medical College and Research Institute
Is Dr. Mathews board certified as a Gastroenterologist?
Yes, Dr. Sajen Mathews, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Mathews speak?
Dr. Mathews and their clinical team can communicate with patients in the following languages:
English
Hindi
What conditions does a Gastroenterologist like Dr. Mathews typically treat?
As a Gastroenterologist, Dr. Mathews 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. Mathews. 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:
- 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:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
What procedures does a Gastroenterologist like Dr. Mathews typically perform?
As a Gastroenterologist, Dr. Mathews 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. Mathews. 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 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:
- 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. Mathews accept my insurance?
Dr. Mathews accepts most major insurance plans. Important: Please call our office at (714) 446-5831 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mathews accept in Fullerton, CA?
Dr. Mathews in Fullerton, 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
Allied Benefit Systems
Blue Shield of California
Centene Corporation
CVS Health (formerly Aetna)
Medicare
St. Joseph Health System (CA)
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Mathews' office located?
Dr. Sajen Mathews' Primary Practice
1837 Sunny Crest Dr
Fullerton, CA 92835
(714) 446-5831
What is Dr. Mathews's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mathews's National Provider Identifier (NPI) number is 1326048323.
What common questions do patients ask about Dr. Mathews?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mathews
What is Dr. Sajen Mathews's specialty?
Dr. Mathews is a Gastroenterologist near Fullerton, CA.
What does a Gastroenterologist do?
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.
Is this Dr. Sajen Mathews affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mathews is affiliated with Providence St. Jude 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
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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 Sajen Mathews accepting new patients in Fullerton, CA?
Yes, Dr. Sajen Mathews is accepting new patients at this time.
Does Dr. Sajen Mathews offer online booking?
Please contact Dr. Mathews's office at (714) 446-5831 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Sajen Mathews?
Please contact Dr. Mathews's office at (714) 446-5831 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Sajen Mathews have?
Dr. Sajen Mathews is certified by the American Board of Internal Medicine.
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