37 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Zhen, Gastroenterologist in Highland, CA?
Dr. Lida Zhen, MD is a Gastroenterologist, who primarily practices in Highland, CA with 1 additional practice location. He has been practicing for over 37 years and is board certified. Dr. Zhen graduated from Jilin Medical College and completed his residency at Greater Baltimore Med Ctr, Internal Medicine. Dr. Zhen is fluent in English, and is currently seeing new patients. Dr. Zhen’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Zhen’s office at (909) 862-1191.
Where did Dr. Zhen go to medical school and complete their residency?
Residency: Greater Baltimore Med Ctr, Internal Medicine | Greater Baltimore Medical Center Program
Medical School: Norman Bethune University Of Med Sciences | Jilin Medical College | Medical Center Of Iran
Is Dr. Zhen board certified as a Gastroenterologist?
Yes, Dr. Lida Zhen, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Zhen speak?
Dr. Zhen and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Zhen treat?
As a Gastroenterologist, Dr. Zhen 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. Zhen. 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:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Hemorrhoids
- Piles
- Swollen Veins in Anus
- Anal Lumps
ICD-10 Codes:
- K649: Unspecified hemorrhoids
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:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
What procedures does Dr. Zhen perform?
As a Gastroenterologist, Dr. Zhen 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. Zhen. 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
- 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
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
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:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Esophageal Balloon Dilation
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 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
Also known as:
- Upper Endoscopy with Stomach/Duodenum Dilation
- Upper Endoscopy with Polyp Removal
- EGD with Dilation
- Esophageal Dilation
- Stomach Stricture Widening
- Duodenal Stricture Repair
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
CPT Codes:
- 43245: Esophagogastroduodenoscopy, flexible, transoral; with dilation of gastric/duodenal stricture(s) (eg, balloon, bougie)
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Esophageal Dilation (Bougie)
- Esophageal Widening
- Bougie Dilation of Esophagus
- Swallowing Tube Dilation
CPT Codes:
- 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes
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. Zhen accept my insurance?
Dr. Zhen accepts most major insurance plans. Important: Please call our office at (909) 862-1191 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Zhen accept in Highland, CA?
Dr. Zhen in Highland, 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)
Inland Empire
Kaiser Permanente
OptumRx
Other Health Care Provider
UnitedHealthcare
View All Insurances
Where is Dr. Zhen's office located?
What is Dr. Zhen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Zhen's National Provider Identifier (NPI) number is 1942256581.
What common questions do patients ask about Dr. Zhen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Zhen
What is Dr. Lida Zhen's specialty?
Dr. Zhen is a Gastroenterologist near Highland, 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. Zhen to book an appointment today.
Is this Dr. Lida Zhen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Zhen is affiliated with Arrowhead Regional 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 Lida Zhen accepting new patients in Highland, CA?
Yes, Dr. Lida Zhen is accepting new patients at this time.
Does Dr. Lida Zhen offer online booking?
Please contact Dr. Zhen's office at (909) 862-1191 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Lida Zhen?
Please contact Dr. Zhen's office at (909) 862-1191 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Lida Zhen have?
Dr. Lida Zhen is certified by the American Board of Internal Medicine.
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