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Dr. On Wang, MD

Dr. On Wang, MD

Los Angeles, CA

30 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Wang, Surgeon in Los Angeles, CA?

    Dr. On Wang, MD is a Surgeon, who primarily practices in Los Angeles, CA with 1 additional practice location. He has been practicing for over 30 years and is board certified. Dr. Wang completed his residency at Loma Linda Univ Med Ctr, General Surgery. Dr. Wang is fluent in English and Chinese, and is currently seeing new patients. Dr. Wang’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Wang’s office at (323) 264-2633.

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

    • Residency: Loma Linda Univ Med Ctr, General Surgery

    Is Dr. Wang board certified as a Surgeon?

    Yes, Dr. On Wang, MD is board certified by the American Board of Surgery

    What languages does Dr. Wang speak?

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

    • Chinese

    • English

    What conditions does Dr. Wang treat?

    As a Surgeon, Dr. Wang 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. Wang. 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:

    • Groin Hernia (One Side)
    • Umbilical Hernia
    • Ventral Hernia
    • Hernia
    • Inguinal Hernia
    • Unilateral Inguinal Hernia
    • Single Groin Hernia
    • Hernia in One Groin
    • Belly Button Hernia
    • Navel Hernia
    • Umbilical Rupture
    • Abdominal Wall Hernia
    • Epigastric Hernia
    • Spigelian Hernia

    ICD-10 Codes:

    • K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
    • K429: Umbilical hernia without obstruction or gangrene
    • K439: Ventral hernia without obstruction or gangrene

    Also known as:

    • Gallstones
    • Cholelithiasis
    • Gallbladder stones
    • Biliary calculi

    ICD-10 Codes:

    • K8020: Calculus of gallbladder without cholecystitis without obstruction

    Also known as:

    • Gallstones with Chronic Gallbladder Inflammation
    • Bile Duct Disease
    • Gallstones
    • Chronic cholecystitis with gallstones
    • Long-term gallbladder inflammation

    ICD-10 Codes:

    • K8010: Calculus of gallbladder with chronic cholecystitis without obstruction

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • Breast Cancer
    • Female Breast Cancer
    • Malignant Breast Tumor
    • Breast Carcinoma

    ICD-10 Codes:

    • C50919: Malignant neoplasm of unspecified site of unspecified female breast

    What procedures does Dr. Wang perform?

    As a Surgeon, Dr. Wang 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. Wang. 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:

    • Laparoscopic Gallbladder Removal
    • Laparoscopic Gallbladder Removal with X-ray
    • Keyhole Gallbladder Surgery
    • Cholecystectomy Laparoscopic
    • Minimally Invasive Gallbladder Surgery
    • Cholecystectomy with Cholangiography
    • Minimally Invasive Gallbladder Removal

    CPT Codes:

    • 47562: Laparoscopy, surgical; cholecystectomy
    • 47563: Laparoscopy, surgical; cholecystectomy with cholangiography

    Also known as:

    • Laparoscopic Inguinal Hernia Repair
    • Inguinal Hernia Repair (Adults and Children 5+)
    • Repair of Small Abdominal Hernia (Complicated)
    • Small Abdominal Hernia Repair
    • Abdominal Hernia Repair with Mesh
    • Laparoscopic Paraesophageal Hernia Repair with Mesh
    • Emergency Groin Hernia Repair
    • Keyhole Groin Hernia Surgery
    • Minimally Invasive Hernia Repair
    • Laparoscopic Hernioplasty
    • Groin Hernia Surgery
    • Reducible Inguinal Hernia Repair
    • First Inguinal Hernia Fix
    • Adult Inguinal Hernia Surgery
    • Epigastric Hernia Repair
    • Umbilical Hernia Surgery
    • Incisional Hernia Repair with Mesh
    • Strangulated Hernia Surgery
    • Ventral hernia repair
    • Umbilical hernia surgery
    • Epigastric hernia repair with mesh
    • Incisional hernia repair
    • Ventral Hernia Repair
    • Umbilical Hernia Repair
    • Incisional Hernia Repair
    • Epigastric Hernia Surgery
    • Hiatal Hernia Repair with Mesh
    • Paraesophageal Hernia Surgery
    • Laparoscopic Hernia Fix
    • Inguinal Hernia Surgery
    • Strangulated Hernia Repair
    • Incarcerated Hernia Surgery

    CPT Codes:

    • 49650: Laparoscopy, surgical; repair initial inguinal hernia
    • 49505: Repair initial inguinal hernia, age 5 years or older; reducible
    • 49592: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); less than 3 cm, incarcerated or strangulated
    • 49591: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); less than 3 cm, reducible
    • 49593: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); 3 cm to 10 cm, reducible
    • 43282: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; with implantation of mesh
    • 49507: Repair initial inguinal hernia, age 5 years or older; incarcerated or strangulated

    Also known as:

    • Emergency Abdominal Hernia Repair with Mesh
    • Incarcerated Hernia Repair
    • Strangulated Hernia Surgery
    • Ventral Hernia Repair with Mesh
    • Umbilical Hernia Repair

    CPT Codes:

    • 49594: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); 3 cm to 10 cm, incarcerated or strangulated

    Also known as:

    • Partial Mastectomy
    • Simple Mastectomy
    • Mastectomy
    • Lumpectomy
    • Breast conserving surgery
    • Quadrantectomy
    • Segmentectomy
    • Complete Mastectomy
    • Breast Removal Surgery
    • Total Mastectomy
    • Unilateral Mastectomy

    CPT Codes:

    • 19301: Mastectomy, partial (eg, lumpectomy, tylectomy, quadrantectomy, segmentectomy);
    • 19303: Mastectomy, simple, complete

    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:

    • 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:

    • Complicated Pilonidal Cyst Removal
    • Pilonidal Sinus Excision
    • Surgery for Pilonidal Cyst
    • Complex Pilonidal Cystectomy
    • Tailbone Cyst Removal

    CPT Codes:

    • 11772: Excision of pilonidal cyst or sinus; complicated

    Also known as:

    • Large Benign Skin Lesion Removal
    • Benign Skin Growth Excision
    • Skin Tumor Removal (Benign)
    • Large Skin Lesion Biopsy

    CPT Codes:

    • 11406: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter over 4.0 cm

    Also known as:

    • Breast Lesion Localization
    • Breast clip placement
    • Wire localization for breast surgery
    • Radioactive seed placement in breast
    • Ultrasound-guided breast marker

    CPT Codes:

    • 19285: Placement of breast localization device(s) (eg, clip, metallic pellet, wire/needle, radioactive seeds), percutaneous; first lesion, including ultrasound guidance

    Also known as:

    • Breast Lesion Excision
    • Breast Cyst Removal
    • Fibroadenoma Excision
    • Breast Tumor Removal
    • Nipple/Areolar Lesion Removal

    CPT Codes:

    • 19120: Excision of cyst, fibroadenoma, or other benign or malignant tumor, aberrant breast tissue, duct lesion, nipple or areolar lesion (except 19300), open, male or female, 1 or more lesions

    Also known as:

    • Skin Substitute Graft (Small Wound)
    • Artificial Skin Graft
    • Wound Skin Replacement
    • Bioengineered Skin Application

    CPT Codes:

    • 15271: Application of skin substitute graft to trunk, arms, legs, total wound surface area up to 100 sq cm; first 25 sq cm or less wound surface area

    Also known as:

    • Removal of Large Soft Tissue Tumor (Back/Flank)
    • Face or Scalp Tumor Removal
    • Small Tumor Removal from Neck or Chest
    • Subcutaneous Tumor Excision (Back)
    • Flank Tumor Removal
    • Large Soft Tissue Mass Excision
    • Back Tumor Surgery
    • Soft tissue tumor excision
    • Subcutaneous tumor removal
    • Facial lump removal
    • Subcutaneous Tumor Excision
    • Soft Tissue Tumor Removal
    • Neck Lump Removal
    • Chest Wall Tumor Excision

    CPT Codes:

    • 21931: Excision, tumor, soft tissue of back or flank, subcutaneous; 3 cm or greater
    • 21012: Excision, tumor, soft tissue of face or scalp, subcutaneous; 2 cm or greater
    • 21555: Excision, tumor, soft tissue of neck or anterior thorax, subcutaneous; less than 3 cm

    Also known as:

    • Removal of Large Neck or Chest Tumor
    • Small Soft Tissue Tumor Removal (Back/Flank)
    • Soft Tissue Tumor Removal from Arm or Elbow
    • Soft Tissue Tumor Removal from Thigh or Knee
    • Large Soft Tissue Tumor Removal (Forearm/Wrist)
    • Excision of subcutaneous tumor
    • Neck mass removal
    • Chest wall tumor surgery
    • Back Lump Excision
    • Flank Tumor Surgery
    • Subcutaneous Mass Removal
    • Arm Tumor Excision
    • Elbow Soft Tissue Mass Removal
    • Subcutaneous Tumor Resection Arm
    • Thigh Tumor Excision
    • Knee Soft Tissue Mass Removal
    • Subcutaneous Tumor Resection Leg
    • Forearm Tumor Excision
    • Wrist Soft Tissue Tumor Removal
    • Subcutaneous Tumor Excision
    • Large Wrist Mass Removal

    CPT Codes:

    • 21552: Excision, tumor, soft tissue of neck or anterior thorax, subcutaneous; 3 cm or greater
    • 21930: Excision, tumor, soft tissue of back or flank, subcutaneous; less than 3 cm
    • 24071: Excision, tumor, soft tissue of upper arm or elbow area, subcutaneous; 3 cm or greater
    • 27337: Excision, tumor, soft tissue of thigh or knee area, subcutaneous; 3 cm or greater
    • 25071: Excision, tumor, soft tissue of forearm and/or wrist area, subcutaneous; 3 cm or greater

    Also known as:

    • Abdominal Wall Tumor Removal
    • Abdominal Soft Tissue Tumor Excision
    • Subcutaneous Tumor Removal Abdomen
    • Abdominal Wall Mass Removal

    CPT Codes:

    • 22903: Excision, tumor, soft tissue of abdominal wall, subcutaneous; 3 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:

    • Complete Axillary Lymph Node Removal
    • Axillary dissection
    • Armpit lymph node surgery
    • Lymphadenectomy of armpit

    CPT Codes:

    • 38745: Axillary lymphadenectomy; complete

    Does Dr. Wang accept my insurance?

    Dr. Wang accepts most major insurance plans. Important: Please call our office at (323) 264-2633 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Wang accept in Los Angeles, CA?

    Dr. Wang in Los Angeles, 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

    • Alliant Techsystems

    • Altamed Health Services

    • Apex Healthcare

    • Centene

    • City of Los Angeles

    • Crown Cork and Seal Company

    • Medicaid

    • Preferred Health Plan

    • Preferred IPA

    View All Insurances

    Where is Dr. Wang's office located?

    Dr. On Wang's Primary Practice

    1701 E Cesar E Chavez Ave Ste 300

    Los Angeles, CA 90033

    (323) 264-2633

    Get Directions

    Dr. On Wang's Practice 2

    1505 Wilson Ter Ste 330

    Glendale, CA 91206

    Get Directions

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

    Dr. Wang's National Provider Identifier (NPI) number is 1497769012.

    What common questions do patients ask about Dr. Wang?

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

    What is Dr. On Wang's specialty?

    Dr. Wang is a Surgeon near Los Angeles, 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. Wang to book an appointment today.

    Is this Dr. On Wang affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Wang is affiliated with Adventist Health White Memorial, Dignity Health - Glendale Memorial Hospital & Health Center, Adventist Health Glendale, Kaiser Permanente West Los Angeles 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

    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 On Wang accepting new patients in Los Angeles, CA?

    Yes, Dr. On Wang is accepting new patients at this time.

    Does Dr. On Wang offer online booking?

    Please contact Dr. Wang's office at (323) 264-2633 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with On Wang?

    Please contact Dr. Wang's office at (323) 264-2633 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. On Wang have?

    Dr. On Wang is certified by the American Board of Surgery.

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