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Dr. Charles Lo, MD

Dr. Charles Lo, MD

San Francisco, CA

52 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Lo, Surgeon in San Francisco, CA?

    Dr. Charles Lo, MD is a Surgeon, who primarily practices in San Francisco, CA with 1 additional practice location. He has been practicing for over 52 years. Dr. Lo graduated from Washington University School of Medicine, St. Louis. Dr. Lo is fluent in English and Chinese, and is currently seeing new patients. Dr. Lo’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lo’s office at (415) 391-9993.

    Where did Dr. Lo go to medical school and complete their residency?

    • Medical School: Hong Kong University | University Of Hong Kong Facility Of Medicine | Washington University School of Medicine, St. Louis

    What languages does Dr. Lo speak?

    Dr. Lo and their clinical team can communicate with patients in the following languages:

    • Chinese

    • English

    What conditions does Dr. Lo treat?

    As a Surgeon, Dr. Lo 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. Lo. 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:

    • Cancer Follow-up Exam
    • Cancer
    • Post-cancer treatment checkup
    • Malignancy surveillance
    • Oncology follow-up

    ICD-10 Codes:

    • Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm

    Also known as:

    • Groin Hernia (One Side)
    • Hernia
    • Inguinal Hernia
    • Unilateral Inguinal Hernia
    • Single Groin Hernia
    • Hernia in One Groin

    ICD-10 Codes:

    • K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent

    Also known as:

    • Hemorrhoids
    • Piles
    • Anal veins
    • Swollen rectal veins

    ICD-10 Codes:

    • K648: Other hemorrhoids

    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:

    • Trunk Lump or Swelling
    • Body Mass
    • Torso Lump
    • Trunk Nodule

    ICD-10 Codes:

    • R222: Localized swelling, mass and lump, trunk

    Also known as:

    • Sebaceous Cyst
    • Skin Condition
    • Epidermoid Cyst
    • Keratin Cyst
    • Skin Lump

    ICD-10 Codes:

    • L723: Sebaceous cyst

    Also known as:

    • Gallstones
    • Cholelithiasis
    • Gallbladder stones
    • Biliary calculi

    ICD-10 Codes:

    • K8020: Calculus of gallbladder without cholecystitis without obstruction

    What procedures does Dr. Lo perform?

    As a Surgeon, Dr. Lo 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. Lo. 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:

    • 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 Biopsy
    • Colorectal Polyp Removal
    • Hot Biopsy Colonoscopy
    • 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)
    • 45384: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by hot biopsy forceps
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Inguinal Hernia Repair (Adults and Children 5+)
    • Groin Hernia Surgery
    • Reducible Inguinal Hernia Repair
    • First Inguinal Hernia Fix
    • Adult Inguinal Hernia Surgery

    CPT Codes:

    • 49505: Repair initial inguinal hernia, age 5 years or older; reducible

    Also known as:

    • Removal of Multiple Hemorrhoids
    • Hemorrhoidectomy
    • Internal and External Hemorrhoid Surgery
    • Piles Removal Surgery

    CPT Codes:

    • 46260: Hemorrhoidectomy, internal and external, 2 or more columns/groups;

    Also known as:

    • Laparoscopic Gallbladder Removal
    • Keyhole Gallbladder Surgery
    • Cholecystectomy Laparoscopic
    • Minimally Invasive Gallbladder Surgery

    CPT Codes:

    • 47562: Laparoscopy, surgical; cholecystectomy

    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:

    • 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:

    • Anal Fistula Surgery
    • Fistulectomy
    • Fistulotomy
    • Perianal Fistula Repair

    CPT Codes:

    • 46270: Surgical treatment of anal fistula (fistulectomy/fistulotomy); subcutaneous

    Also known as:

    • Needle Liver Biopsy (During Other Surgery)
    • Concurrent Liver Biopsy
    • Intraoperative Liver Biopsy
    • Liver Tissue Sample During Surgery
    • Liver Needle Biopsy

    CPT Codes:

    • 47001: Biopsy of liver, needle; when done for indicated purpose at time of other major procedure (List separately in addition to code for primary procedure)

    Also known as:

    • Skin Flap Surgery (Trunk)
    • Adjacent tissue transfer
    • Local flap surgery
    • Skin rearrangement

    CPT Codes:

    • 14000: Adjacent tissue transfer or rearrangement, trunk; defect 10 sq cm or less

    Also known as:

    • Removal of Non-Cancerous Skin Growth (1.1-2.0 cm)
    • Removal of Benign Skin Lesion (Trunk/Limbs)
    • Removal of Benign Skin Lesion
    • Benign Skin Lesion Excision
    • Skin Tumor Removal (Benign)
    • Mole Removal (Non-Cancerous)
    • Benign Skin Growth Excision
    • Skin Lesion Removal Surgery
    • Mole Removal (Large)
    • Excision of Non-Cancerous Skin Lesion
    • Skin Lesion Biopsy and Removal
    • Excision of Non-Cancerous Skin Growth

    CPT Codes:

    • 11402: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 1.1 to 2.0 cm
    • 11404: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 3.1 to 4.0 cm
    • 11401: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 0.6 to 1.0 cm
    • 11423: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), scalp, neck, hands, feet, genitalia; excised diameter 2.1 to 3.0 cm

    Also known as:

    • Large Benign Skin Lesion Removal
    • Removal of Benign Skin Lesion
    • Small Benign Lesion Removal (Head/Extremities)
    • Benign Skin Growth Excision
    • Skin Tumor Removal (Benign)
    • Large Skin Lesion Biopsy
    • Skin Lesion Removal Surgery
    • Mole Removal
    • Skin Tumor Excision
    • Benign Growth Excision (Scalp/Neck)
    • Hand/Foot Lesion Removal
    • Genital Lesion Excision

    CPT Codes:

    • 11406: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter over 4.0 cm
    • 11403: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 2.1 to 3.0 cm
    • 11422: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), scalp, neck, hands, feet, genitalia; excised diameter 1.1 to 2.0 cm

    Also known as:

    • Ultrasound-Guided Breast Biopsy
    • Breast Biopsy
    • Percutaneous Breast Biopsy
    • Breast Tissue Sample
    • Breast Lesion Biopsy with Clip

    CPT Codes:

    • 19083: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; first lesion, including ultrasound guidance

    Also known as:

    • Skin Flap Surgery
    • Tissue Transfer
    • Local Flap Reconstruction
    • Adjacent Tissue Rearrangement

    CPT Codes:

    • 14040: Adjacent tissue transfer or rearrangement, forehead, cheeks, chin, mouth, neck, axillae, genitalia, hands and/or feet; defect 10 sq cm or less

    Also known as:

    • Partial Mastectomy
    • Mastectomy
    • Lumpectomy
    • Breast conserving surgery
    • Quadrantectomy
    • Segmentectomy

    CPT Codes:

    • 19301: Mastectomy, partial (eg, lumpectomy, tylectomy, quadrantectomy, segmentectomy);

    Also known as:

    • Small Skin Flap Surgery (Scalp, Arms, or Legs)
    • Adjacent Tissue Transfer
    • Local Flap Surgery
    • Skin Rearrangement Procedure
    • Small Defect Skin Repair

    CPT Codes:

    • 14020: Adjacent tissue transfer or rearrangement, scalp, arms and/or legs; defect 10 sq cm or less

    Also known as:

    • Breast Lesion Localization
    • Breast Marker Placement
    • Wire Localization Breast
    • Mammographic Guided Breast Localization

    CPT Codes:

    • 19281: Placement of breast localization device(s) (eg, clip, metallic pellet, wire/needle, radioactive seeds), percutaneous; first lesion, including mammographic guidance

    Also known as:

    • Adjacent Tissue Transfer (Trunk)
    • Skin Flap Surgery
    • Local Flap Reconstruction
    • Tissue Rearrangement Surgery
    • Skin Repair Surgery

    CPT Codes:

    • 14001: Adjacent tissue transfer or rearrangement, trunk; defect 10.1 sq cm to 30.0 sq cm

    Also known as:

    • Modified Radical Mastectomy
    • Mastectomy
    • Breast Removal with Lymph Node Dissection
    • Breast Cancer Surgery

    CPT Codes:

    • 19307: Mastectomy, modified radical, including axillary lymph nodes, with or without pectoralis minor muscle, but excluding pectoralis major muscle

    Also known as:

    • Large Soft Tissue Tumor Removal (Back/Flank)
    • Soft Tissue Tumor Excision
    • Back Tumor Removal
    • Flank Tumor Surgery
    • Intramuscular Tumor Excision

    CPT Codes:

    • 21933: Excision, tumor, soft tissue of back or flank, subfascial (eg, intramuscular); 5 cm or greater

    Also known as:

    • Hand or Finger Cyst Removal
    • Ganglion cyst removal hand
    • Tendon sheath lesion excision
    • Mucous cyst removal finger

    CPT Codes:

    • 26160: Excision of lesion of tendon sheath or joint capsule (eg, cyst, mucous cyst, or ganglion), hand or finger

    Also known as:

    • Large Tumor Removal from Shoulder
    • Shoulder Tumor Excision (Deep)
    • Large Soft Tissue Tumor Surgery (Shoulder)
    • Intramuscular Shoulder Tumor Removal
    • Shoulder Mass Excision

    CPT Codes:

    • 23073: Excision, tumor, soft tissue of shoulder area, subfascial (eg, intramuscular); 5 cm or greater

    Also known as:

    • Deep Armpit Lymph Node Biopsy
    • Biopsy
    • Axillary Lymph Node Excision
    • Open Axillary Node Biopsy
    • Underarm Lymph Node Removal

    CPT Codes:

    • 38525: Biopsy or excision of lymph node(s); open, deep axillary node(s)

    Also known as:

    • Sentinel Lymph Node Mapping
    • Lymph Node Identification
    • Sentinel Node Biopsy (Mapping)
    • Dye Injection for Lymph Nodes

    CPT Codes:

    • 38900: Intraoperative identification (eg, mapping) of sentinel lymph node(s) includes injection of non-radioactive dye, when performed (List separately in addition to code for primary procedure)

    Also known as:

    • Spermatic Cord Lesion Removal
    • Spermatic Cord Mass Excision
    • Testicular Cord Lesion Surgery
    • Scrotal Mass Removal

    CPT Codes:

    • 55520: Excision of lesion of spermatic cord (separate procedure)

    Does Dr. Lo accept my insurance?

    Dr. Lo accepts most major insurance plans. Important: Please call our office at (415) 391-9993 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Lo accept in San Francisco, CA?

    Dr. Lo in San Francisco, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene

    • Chinese Community Health Plan

    • Crown Cork and Seal Company

    • Highmark Inc.

    • Medicare

    • Other Health Care Provider

    • San Francisco Health Plan

    • St. Luke Benefit & Insurance Services Corp

    • State of Tennessee

    • The Health Care Group

    View All Insurances

    Where is Dr. Lo's office located?

    Dr. Charles Lo's Primary Practice

    818 Jackson St Ste 102

    San Francisco, CA 94133

    (415) 391-9993

    Get Directions

    Dr. Charles Lo's Practice 2

    900 Hyde St

    San Francisco, CA 94109

    Get Directions

    What is Dr. Lo's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Lo's National Provider Identifier (NPI) number is 1811978604.

    What common questions do patients ask about Dr. Lo?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lo

    What is Dr. Charles Lo's specialty?

    Dr. Lo is a Surgeon near San Francisco, CA. General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery. Contact Dr. Lo to book an appointment today.

    Is this Dr. Charles Lo affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Lo is affiliated with California Pacific Medical Center - Mission Bernal Campus, California Pacific Medical Center - Van Ness Campus, UCSF Health Saint Francis Hospital, UCSF Health St. Mary's Hospital, California Pacific Medical Center - Davies Campus 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

    Where can I learn more about Surgeon?

    Explore Surgeon 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 Charles Lo accepting new patients in San Francisco, CA?

    Yes, Dr. Charles Lo is accepting new patients at this time.

    Does Dr. Charles Lo offer online booking?

    Please contact Dr. Lo's office at (415) 391-9993 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Charles Lo?

    Please contact Dr. Lo's office at (415) 391-9993 for information regarding telehealth appointment availability or for scheduling assistance.

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