Affiliated with a Castle Connolly Top Hospital
Who is Dr. Lewis, Surgical Oncologist in South Pasadena, CA?
What languages does Dr. Lewis speak?
Dr. Lewis and their clinical team can communicate with patients in the following languages:
- English
- Spanish
What conditions does a Surgical Oncologist like Dr. Lewis typically treat?
As a Surgical Oncologist, Dr. Lewis 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. Lewis. 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:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
- Malignant neoplasm of colon
- Malignant neoplasm of sigmoid colon
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
- C189: Malignant neoplasm of colon, unspecified
- C187: Malignant neoplasm of sigmoid colon
Also known as:
- Pancreatic Cancer
- Cancer of the pancreas
- Malignant neoplasm of pancreas
- Pancreatic adenocarcinoma
- Pancreas Cancer
- Malignant Pancreatic Tumor
- Pancreatic Carcinoma
ICD-10 Codes:
- C250: Malignant neoplasm of head of pancreas
- C259: Malignant neoplasm of pancreas, unspecified
Also known as:
- Cancer Spread to Liver and Bile Duct
- Liver Cancer
- Metastatic Liver Cancer
- Secondary Liver Tumor
- Liver Metastasis
ICD-10 Codes:
- C787: Secondary malignant neoplasm of liver and intrahepatic bile duct
Also known as:
- Stomach Cancer
- Gastric Cancer
- Malignant Neoplasm of Stomach
- Stomach Tumor
ICD-10 Codes:
- C169: Malignant neoplasm of stomach, unspecified
What procedures does a Surgical Oncologist like Dr. Lewis typically perform?
As a Surgical Oncologist, Dr. Lewis 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. Lewis. 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:
- Laparoscopic Gallbladder Removal
- Keyhole Gallbladder Surgery
- Cholecystectomy Laparoscopic
- Minimally Invasive Gallbladder Surgery
CPT Codes:
- 47562: Laparoscopy, surgical; cholecystectomy
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 Inguinal Hernia Repair
- Keyhole Groin Hernia Surgery
- Minimally Invasive Hernia Repair
- Laparoscopic Hernioplasty
CPT Codes:
- 49650: Laparoscopy, surgical; repair initial inguinal hernia
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)
Also known as:
- Laparoscopic Partial Colectomy
- Minimally Invasive Colon Resection
- Keyhole Colectomy
- Ileocolostomy Surgery
CPT Codes:
- 44205: Laparoscopy, surgical; colectomy, partial, with removal of terminal ileum with ileocolostomy
Also known as:
- Tunneled Central Venous Catheter Removal
- Central Line Explant
- Port-a-Cath Removal
- Implantable Venous Access Device Removal
- Tunneled Catheter Extraction
CPT Codes:
- 36590: Removal of tunneled central venous access device, with subcutaneous port or pump, central or peripheral insertion
Also known as:
- Large Malignant Skin Lesion Removal
- Skin Cancer Excision
- Large Malignant Growth Removal
- Wide Excision of Skin Cancer
- Trunk/Limb Skin Cancer Surgery
CPT Codes:
- 11606: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter over 4.0 cm
Does Dr. Lewis accept my insurance?
Dr. Lewis accepts most major insurance plans. Important: Please call our office at (626) 396-2900 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Lewis accept in South Pasadena, CA?
Dr. Lewis in South Pasadena, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Apex Healthcare
Centene Corporation
City of Los Angeles
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
H & R Block
Heritage Health
Medicare
Other Health Care Provider
UnitedHealth Group
View All Insurances
Where is Dr. Lewis' office located?
Dr. Aaron Lewis' Primary Practice
209 Fair Oaks Ave
South Pasadena, CA 91030
(626) 396-2900
What hospitals are Dr. Lewis affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Lewis has admitting privileges at the following hospitals:
What is Dr. Lewis's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Lewis's National Provider Identifier (NPI) number is 1053542100.
What common questions do patients ask about Dr. Lewis?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lewis