14 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hamerski, Gastroenterologist in San Francisco, CA?
What are Areas of Expertise for Dr. Hamerski?
Dr. Christopher Hamerski, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Hamerski empowers patients to confidently navigate their health journey, specializing in Barrett's Esophagus, Colonoscopy, Endoscopic Ultrasound, Endoscopy, and comprehensive wellness support. Serving the San Francisco, CA community, Dr. Hamerski is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Hamerski go to medical school and complete their residency?
Residency: University of California, San Francisco (UCSF) Affiliated Hospitals
Is Dr. Hamerski board certified as a Gastroenterologist?
Yes, Dr. Christopher Hamerski, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Hamerski speak?
Dr. Hamerski and their clinical team can communicate with patients in the following languages:
- English
What conditions does a Gastroenterologist like Dr. Hamerski typically treat?
As a Gastroenterologist, Dr. Hamerski 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. Hamerski. 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:
- Stomach Varices
- Stomach Disorder
- Varicose Veins
- Gastric Varicose Veins
- Enlarged Stomach Veins
ICD-10 Codes:
- I864: Gastric varices
Also known as:
- Pancreatic Cyst
- Pancreatic Disease
- Cyst on Pancreas
- Pancreatic Pseudocyst
- Fluid Sac on Pancreas
ICD-10 Codes:
- K862: Cyst of pancreas
Also known as:
- Blocked Bile Duct
- Bile Duct Disease
- Biliary Obstruction
- Bile Duct Blockage
- Obstructed Bile Duct
ICD-10 Codes:
- K831: Obstruction of bile duct
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 Pancreatitis
- Pancreatitis
- Hereditary pancreatitis
- Long-Term Pancreas Inflammation
- Ongoing Pancreatitis
ICD-10 Codes:
- K861: Other chronic pancreatitis
What procedures does a Gastroenterologist like Dr. Hamerski typically perform?
As a Gastroenterologist, Dr. Hamerski 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. Hamerski. 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:
- EGD with Endoscopic Ultrasound
- Upper GI Endoscopy with Ultrasound
- EUS (Endoscopic Ultrasound)
- Esophagus, Stomach, Duodenum Ultrasound
CPT Codes:
- 43237: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures
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:
- Upper GI Endoscopy with Ultrasound Biopsy
- Biopsy
- Endoscopy
- Ultrasound
- EGD with EUS-FNA
- Endoscopic Ultrasound Biopsy
- Esophageal/Stomach Biopsy
CPT Codes:
- 43238: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s), (includes endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures)
Also known as:
- Upper Endoscopy with Ultrasound and Biopsy
- Biopsy
- Endoscopy
- Ultrasound
- EGD with Endoscopic Ultrasound Biopsy
- Transoral EUS-FNA
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43242: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s) (includes endoscopic ultrasound examination of the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis)
Also known as:
- Upper Endoscopy with Ultrasound (EUS)
- EGD with endoscopic ultrasound
- Esophageal ultrasound
- Stomach ultrasound endoscopy
- Duodenal ultrasound endoscopy
CPT Codes:
- 43259: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination, including the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis
Also known as:
- Colonoscopy with Polyp Removal
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- ERCP with Stent Placement
- Endoscopic Retrograde Cholangiopancreatography with Stent
- Bile Duct Stent Placement via ERCP
- Pancreatic Duct Stent Placement via ERCP
CPT Codes:
- 43274: Endoscopic retrograde cholangiopancreatography (ERCP); with placement of endoscopic stent into biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent
Does Dr. Hamerski accept my insurance?
Dr. Hamerski accepts most major insurance plans. Important: Please call our office at (415) 600-1151 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hamerski accept in San Francisco, CA?
Dr. Hamerski in San Francisco, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Health Plan of San Joaquin
Kaiser Permanente
Medicare
State of California
View All Insurances
Where is Dr. Hamerski's office located?
Dr. Christopher Hamerski's Primary Practice
1101 Van Ness Ave Rm 3158
San Francisco, CA 94109
(415) 600-1151
What hospitals are Dr. Hamerski affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Hamerski has admitting privileges at the following hospitals:
What is Dr. Hamerski's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hamerski's National Provider Identifier (NPI) number is 1205033420.
What common questions do patients ask about Dr. Hamerski?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hamerski