HN
27 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Najarian, Gastroenterologist in Orange, CA?
Dr. Haig Najarian, MD is a Gastroenterologist, who primarily practices in Orange, CA with 1 additional practice location. He has been practicing for over 27 years and is board certified. Dr. Najarian graduated from Keck School of Medicine of the University of Southern California and completed his residency at Univ Ca San Diego Med Ctr, Gastroenterology; Univ Ca San Diego Med Ctr, Internal Medicine. Dr. Najarian is fluent in English and Armenian, and is currently seeing new patients. Dr. Najarian’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Najarian’s office at (714) 835-7700.
Where did Dr. Najarian go to medical school and complete their residency?
Residency: Univ Ca San Diego Med Ctr, Gastroenterology; Univ Ca San Diego Med Ctr, Internal Medicine | UCSD-Kaiser San Diego
Medical School: University of Southern Ca Sch of Med, Los Angeles Ca | Keck School of Medicine of the University of Southern California
Is Dr. Najarian board certified as a Gastroenterologist?
Yes, Dr. Haig Najarian, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Najarian speak?
Dr. Najarian and their clinical team can communicate with patients in the following languages:
Armenian
English
What conditions does Dr. Najarian treat?
As a Gastroenterologist, Dr. Najarian 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. Najarian. 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:
- 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
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Heartburn
- Acid Reflux
- Indigestion
- GERD Symptoms
ICD-10 Codes:
- R12: Heartburn
What procedures does Dr. Najarian perform?
As a Gastroenterologist, Dr. Najarian 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. Najarian. 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 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:
- 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:
- EGD with Esophageal Balloon Dilation
- Colonoscopy with Injections
- Diagnostic Upper Endoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Abdominal Fluid Drainage with Imaging Guidance
- Guided Abdominal Paracentesis
- Ascites Drainage with Ultrasound
- Fluid Removal from Belly
CPT Codes:
- 49083: Abdominal paracentesis (diagnostic or therapeutic); with imaging guidance
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Does Dr. Najarian accept my insurance?
Dr. Najarian accepts most major insurance plans. Important: Please call our office at (714) 835-7700 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Najarian accept in Orange, CA?
Dr. Najarian in Orange, 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
CalOptima
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Medicare
Other Health Care Provider
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Najarian's office located?
Dr. Haig Najarian's Primary Practice
1010 W La Veta Ave Ste 570
Orange, CA 92868
(714) 835-7700
What is Dr. Najarian's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Najarian's National Provider Identifier (NPI) number is 1912010257.
What common questions do patients ask about Dr. Najarian?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Najarian
What is Dr. Haig Najarian's specialty?
Dr. Najarian is a Gastroenterologist near Orange, 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. Najarian to book an appointment today.
Is this Dr. Haig Najarian affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Najarian is affiliated with Hoag Hospital Newport Beach, St. Joseph Healthcare - Bangor, ME, UCI 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 Haig Najarian accepting new patients in Orange, CA?
Yes, Dr. Haig Najarian is accepting new patients at this time.
Does Dr. Haig Najarian offer online booking?
Please contact Dr. Najarian's office at (714) 835-7700 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Haig Najarian?
Please contact Dr. Najarian's office at (714) 835-7700 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Haig Najarian have?
Dr. Haig Najarian is certified by the American Board of Internal Medicine.
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