Accepting patients
Telehealth
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Lah, Gastroenterologist in Fallbrook, CA?
Dr. John Lah, MD is a Gastroenterologist, who primarily practices in Fallbrook, CA with 2 additional practice locations. He is board certified. Dr. Lah graduated from New York Medical College and completed his residency at University of California Medical Center. Dr. Lah is fluent in English and Spanish, and is currently seeing new patients. Dr. Lah’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lah’s office.
Where did Dr. Lah go to medical school and complete their residency?
Fellowship: University of California Medical Center
Residency: University of California Medical Center
Medical School: New York Medical College
Is Dr. Lah board certified as a Gastroenterologist?
Yes, Dr. John Lah, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Lah speak?
Dr. Lah and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Lah treat?
As a Gastroenterologist, Dr. Lah 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. Lah. 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
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- Z860100: Personal history of colon polyps, unspecified
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:
- 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:
- History of Adenomatous and Serrated Colon Polyps
- Past Colon Polyps
- Previous Adenomas
- History of Precancerous Colon Growths
ICD-10 Codes:
- Z860101: Personal history of adenomatous and serrated colon polyps
Also known as:
- Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Gastritis
- Inflamed stomach lining
- Stomach lining inflammation
ICD-10 Codes:
- K2970: Gastritis, unspecified, without bleeding
What procedures does Dr. Lah perform?
As a Gastroenterologist, Dr. Lah 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. Lah. 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:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Colonoscopy with Hemorrhoid Ligation
- Colonoscopy with Bleeding Control
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Hemorrhoid Banding
- Colon Exam with Ligation
- Endoscopic Hemostasis
- Colonoscopy for Bleeding
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45398: Colonoscopy, flexible; with band ligation(s) (eg, hemorrhoids)
- 45382: Colonoscopy, flexible; with control of bleeding, any method
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:
- Colonoscopy with Injections
- Esophagus Widening Procedure (Endoscopic)
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
CPT Codes:
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
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)
Does Dr. Lah accept my insurance?
Dr. Lah accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Lah accept in Fallbrook, CA?
Dr. Lah in Fallbrook, 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)
Kaiser Permanente
Medicare
Other Health Care Provider
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Lah's office located?
Dr. John Lah also offers virtual visits
Dr. John Lah's Practice 2
12291 Washington Blvd Ste 201
Whittier, CA 90606
(562) 698-0306
What is Dr. Lah's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Lah's National Provider Identifier (NPI) number is 1437221272.
What common questions do patients ask about Dr. Lah?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lah
What is Dr. John Lah's specialty?
Dr. Lah is a Gastroenterologist near Fallbrook, 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. Lah to book an appointment today.
Is this Dr. John Lah affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Lah is affiliated with UCI Medical Center, PIH Health Whittier Hospital, Hoag Hospital Newport Beach, Kaiser Permanente Orange County - Anaheim Medical Center, Torrance Memorial 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 John Lah accepting new patients in Fallbrook, CA?
Yes, Dr. John Lah is accepting new patients at this time.
Does Dr. John Lah offer online booking?
Please contact Dr. Lah's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Lah?
Please contact Dr. Lah's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Lah have?
Dr. John Lah is certified by the American Board of Internal Medicine.
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