AL
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Lee, Gastroenterologist in Oakland, CA?
Dr. Aaron Lee, MD is a Gastroenterologist, who primarily practices in Oakland, CA with 1 additional practice location. Dr. Lee graduated from University of California. Dr. Lee is fluent in English, and is currently seeing new patients. Dr. Lee’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lee’s office at (323) 783-3427.
Where did Dr. Lee go to medical school and complete their residency?
Medical School: University of California
What languages does Dr. Lee speak?
Dr. Lee and their clinical team can communicate with patients in the following languages:
English
What conditions does a Gastroenterologist like Dr. Lee typically treat?
As a Gastroenterologist, Dr. Lee 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. Lee. 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:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
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:
- Chronic Hepatitis B
- Hepatitis B
- Long-term Hepatitis B
- Persistent Hepatitis B
- Hep B
ICD-10 Codes:
- B181: Chronic viral hepatitis B without delta-agent
Also known as:
- Other Specific Abnormal Blood Chemistry Results
- Blood
- Specified Blood Chemistry Imbalance
- Unusual Blood Chemistry Findings
- Specific Blood Panel Abnormalities
ICD-10 Codes:
- R7989: Other specified abnormal findings of blood chemistry
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
Also known as:
- Cirrhosis
- Liver scarring
- End-stage liver disease
- Chronic liver failure
ICD-10 Codes:
- K7460: Unspecified cirrhosis of liver
What procedures does a Gastroenterologist like Dr. Lee typically perform?
As a Gastroenterologist, Dr. Lee 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. Lee. 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:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Also known as:
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 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
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 Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- ERCP with Sphincterotomy
- Endoscopic retrograde cholangiopancreatography
- Bile duct scope
- Pancreatic duct scope
- Papillotomy
CPT Codes:
- 43262: Endoscopic retrograde cholangiopancreatography (ERCP); with sphincterotomy/papillotomy
Also known as:
- ERCP with Gallstone Removal
- ERCP
- Endoscopic Gallstone Removal
- Biliary Duct Stone Removal
- Pancreatic Duct Cleaning
CPT Codes:
- 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)
Does Dr. Lee accept my insurance?
Dr. Lee accepts most major insurance plans. Important: Please call our office at (323) 783-3427 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Lee accept in Oakland, CA?
Dr. Lee in Oakland, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Healthcare
Centene Corporation
CVS Health (formerly Aetna)
Jefferson Health
Kaiser Permanente
Medicare
Molina Healthcare
Other TPA
State of California
UnitedHealth Group
View All Insurances
Where is Dr. Lee's office located?
What hospitals are Dr. Lee affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Lee has admitting privileges at the following hospitals:
Alta Bates Summit Medical Center - Summit Campus,Oakland, CA
Ranked in 2 Specialties

Ranked in 4 Procedures

Alta Bates Summit Medical Center - Summit Campus,Oakland, CA
Ranked in 2 Specialties
Ranked in 4 Procedures
Stanford Health Care - Valleycare,Pleasanton, CA
Ranked in 2 Procedures

Stanford Health Care - Valleycare,Pleasanton, CA
Ranked in 2 Procedures
Wilma Chan Highland Hospital Campus,Oakland, CA
Wilma Chan Highland Hospital Campus,Oakland, CA
Wilma Chan Highland Hospital Campus,Oakland, CA
Wilma Chan Highland Hospital Campus,Oakland, CA
Alameda Hospital,Alameda, CA
Alameda Hospital,Alameda, CA
San Leandro Hospital,San Leandro, CA
San Leandro Hospital,San Leandro, CA
What is Dr. Lee's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Lee's National Provider Identifier (NPI) number is 1831455575.
What common questions do patients ask about Dr. Lee?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lee
What is Dr. Aaron Lee's specialty?
Dr. Lee is a Gastroenterologist near Oakland, 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 Dr. Aaron Lee affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Lee is affiliated with Alta Bates Summit Medical Center - Summit Campus, Stanford Health Care - Valleycare 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
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 Dr. Aaron Lee accepting new patients in Oakland, CA?
Yes, Dr. Aaron Lee is accepting new patients at this time.
Does Dr. Aaron Lee offer online booking?
Please contact Dr. Lee's office at (323) 783-3427 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Aaron Lee?
Please contact Dr. Lee's office at (323) 783-3427 to schedule an appointment.
Where is Dr. Lee's office located?
Dr. Lee's offices are located in Oakland, CA and San Leandro, CA.
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