JP
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Peng, Surgical Oncologist in Walnut Creek, CA?
Dr. June Peng, MD is a Surgical Oncologist, who primarily practices in Walnut Creek, CA with 1 additional practice location. Dr. Peng is fluent in English, and is currently seeing new patients. Dr. Peng’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Peng’s office at (925) 296-7340.
What languages does Dr. Peng speak?
Dr. Peng and their clinical team can communicate with patients in the following languages:
English
What conditions does a Surgical Oncologist like Dr. Peng typically treat?
As a Surgical Oncologist, Dr. Peng 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. Peng. 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:
- Pancreatic Cancer
- Pancreas Cancer
- Malignant Pancreatic Tumor
- Pancreatic Carcinoma
- Cancer of the pancreas
- Malignant neoplasm of pancreas
- Pancreatic adenocarcinoma
ICD-10 Codes:
- C259: Malignant neoplasm of pancreas, unspecified
- C250: Malignant neoplasm of head of pancreas
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Liver Cancer
- Childhood Liver Cancer
- Hepatic Cancer
- Hepatocellular Carcinoma
ICD-10 Codes:
- C220: Liver cell carcinoma
Also known as:
- Colorectal Cancer
- Colon cancer
- Rectal cancer
- Bowel cancer
- Malignant neoplasm of colon
ICD-10 Codes:
- C189: Malignant neoplasm of colon, unspecified
Also known as:
- Bile Duct Cancer
- Liver Cancer
- Cholangiocarcinoma
- Intrahepatic cholangiocarcinoma
ICD-10 Codes:
- C221: Intrahepatic bile duct carcinoma
Also known as:
- Digestive System Growth of Unknown Type
- Digestive Disease
- Digestive tract tumor of unknown nature
- GI growth of unknown type
- Indeterminate digestive mass
ICD-10 Codes:
- D490: Neoplasm of unspecified behavior of digestive system
Also known as:
- Other Specific Pancreatic Disease
- Pancreatic Disease
- Miscellaneous Pancreas Disorders
- Named Pancreatic Conditions
- Other Defined Pancreas Problems
ICD-10 Codes:
- K8689: Other specified diseases of pancreas
What procedures does a Surgical Oncologist like Dr. Peng typically perform?
As a Surgical Oncologist, Dr. Peng 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. Peng. 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:
- Inserting a Long-Term IV Port (Central Line)
- Tunneled central venous catheter insertion
- Subcutaneous port placement
- Central line with port
CPT Codes:
- 36561: Insertion of tunneled centrally inserted central venous access device, with subcutaneous port; age 5 years or older
Also known as:
- Laparoscopic Biopsy
- Minimally Invasive Biopsy
- Peritoneal Biopsy
- Abdominal Biopsy via Laparoscopy
CPT Codes:
- 49321: Laparoscopy, surgical; with biopsy (single or multiple)
Also known as:
- Diagnostic Laparoscopy of Abdomen
- Exploratory Laparoscopy
- Abdominal Scope
- Peritoneal Biopsy
- Omentum Biopsy
CPT Codes:
- 49320: Laparoscopy, abdomen, peritoneum, and omentum, diagnostic, with or without collection of specimen(s) by brushing or washing (separate procedure)
Also known as:
- Laparoscopic Gallbladder Removal
- Keyhole Gallbladder Surgery
- Cholecystectomy Laparoscopic
- Minimally Invasive Gallbladder Surgery
CPT Codes:
- 47562: Laparoscopy, surgical; cholecystectomy
Does Dr. Peng accept my insurance?
Dr. Peng accepts most major insurance plans. Important: Please call our office at (925) 296-7340 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Peng accept in Walnut Creek, CA?
Dr. Peng in Walnut Creek, 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
Cigna Group
Contra Costa
CVS Health (formerly Aetna)
Humana
Medicare
Molina Healthcare
State of California
UnitedHealth Group
View All Insurances
Where is Dr. Peng's office located?
Dr. June Peng's Primary Practice
1479 Ygnacio Valley Rd Ste 200
Walnut Creek, CA 94598
(925) 296-7340
What is Dr. Peng's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Peng's National Provider Identifier (NPI) number is 1124321252.
What common questions do patients ask about Dr. Peng?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Peng
What is Dr. June Peng's specialty?
Dr. Peng is a Surgical Oncologist near Walnut Creek, CA.
What does a Surgical Oncologist do?
A surgical oncologist is a highly qualified and trained surgeon with specialized expertise in the prevention, diagnosis, treatment, and rehabilitation of cancer patients. They have received additional training in a multidisciplinary approach and dedicate a significant portion of their practice to these areas, as well as to cancer research.
Is this Dr. June Peng affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Peng is affiliated with John Muir Health Concord Medical Center, John Muir Health Walnut Creek Medical Center, Sutter Delta 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
When to see a Surgical Oncologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Surgical Oncologist. 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 June Peng accepting new patients in Walnut Creek, CA?
Yes, Dr. June Peng is accepting new patients at this time.
Does Dr. June Peng offer online booking?
Please contact Dr. Peng's office at (925) 296-7340 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with June Peng?
Please contact Dr. Peng's office at (925) 296-7340 for information regarding telehealth appointment availability or for scheduling assistance.
Other Surgical Oncologist Near Walnut Creek, CA
JB
Surgical Oncologist
Dr. Jaikrishna Balkissoon, MD is a Surgical Oncologist, who primarily practices in Berkeley, CA. He has been practicing for over 34 years and is board certified.
Berkeley, CA

Surgical Oncologist
Dr. Jeffrey Stern is a Surgical Oncologist, who primarily practices in Berkeley, CA with 1 additional practice location.
Berkeley, CA
JD
Surgical Oncologist
Dr. Jessica Dzubnar, MD is a Surgical Oncologist, who primarily practices in Oakland, CA with 1 additional practice location.
Oakland, CA