DK
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Kwan, Surgeon in Walnut Creek, CA?
Dr. Diane Kwan, MD is a Surgeon, who primarily practices in Walnut Creek, CA. She is board certified. Dr. Kwan is fluent in English and Chinese, and is currently seeing new patients. Dr. Kwan’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kwan’s office at (925) 338-8511.
What are Areas of Expertise for Dr. Kwan?
Dr. Diane Kwan, MD is a highly-rated, board-certified Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Kwan empowers patients to confidently navigate their health journey, specializing in Bariatric/Obesity Surgery, Gastrointestinal Surgery, General Surgery, Minimally Invasive Surgery, Robotic Surgery, or comprehensive wellness support. Serving the Walnut Creek/CA community, Dr. Kwan is dedicated to enhancing lives through expert, patient-centered care.
Is Dr. Kwan board certified as a Surgeon?
Yes, Dr. Diane Kwan, MD is board certified by the American Board of Surgery
What languages does Dr. Kwan speak?
Dr. Kwan and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does Dr. Kwan treat?
As a Surgeon, Dr. Kwan 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. Kwan. 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:
- Severe Obesity
- Obesity
- Helping Your Child Who Is Overweight
- Take Charge of Your Health: A Guide for Teenagers
- Understanding Adult Overweight & Obesity
- Morbid Obesity
- Extreme Obesity
- Class 3 Obesity
ICD-10 Codes:
- E6601: Morbid (severe) obesity due to excess calories
Also known as:
- Groin Hernia (One Side)
- Diaphragmatic Hernia
- Umbilical Hernia
- Hernia
- Inguinal Hernia
- Unilateral Inguinal Hernia
- Single Groin Hernia
- Hernia in One Groin
- Hiatal Hernia
- Hernia of the Diaphragm
- Belly Button Hernia
- Navel Hernia
- Umbilical Rupture
ICD-10 Codes:
- K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
- K449: Diaphragmatic hernia without obstruction or gangrene
- K429: Umbilical hernia without obstruction or gangrene
Also known as:
- Bariatric Surgery Status
- Weight Loss Surgery
- Weight-loss (Metabolic & Bariatric) Surgery
- Weight Loss Surgery History
- Gastric Bypass Status
- Sleeve Gastrectomy Status
ICD-10 Codes:
- Z9884: Bariatric surgery status
Also known as:
- Gallstones
- Cholelithiasis
- Gallbladder stones
- Biliary calculi
ICD-10 Codes:
- K8020: Calculus of gallbladder without cholecystitis without obstruction
Also known as:
- Depression Screening
- Depression
- Health Screening
- Depression Test
- Mental Health Check for Depression
- Mood Disorder Screening
ICD-10 Codes:
- Z1331: Encounter for screening for depression
What procedures does Dr. Kwan perform?
As a Surgeon, Dr. Kwan 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. Kwan. 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 Inguinal Hernia Repair
- Repair of Small Abdominal Hernia (Complicated)
- Small Abdominal Hernia Repair
- Laparoscopic Repair of Recurrent Inguinal Hernia
- Keyhole Groin Hernia Surgery
- Minimally Invasive Hernia Repair
- Laparoscopic Hernioplasty
- 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
- Recurrent Groin Hernia Surgery
- Laparoscopic Inguinal Hernioplasty
CPT Codes:
- 49650: Laparoscopy, surgical; repair initial inguinal hernia
- 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
- 49651: Laparoscopy, surgical; repair recurrent inguinal hernia
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 Sleeve Gastrectomy
- Gastric Sleeve Surgery
- Longitudinal Gastrectomy
- Laparoscopic Weight Loss Surgery
CPT Codes:
- 43775: Laparoscopy, surgical, gastric restrictive procedure; longitudinal gastrectomy (ie, sleeve gastrectomy)
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:
- Removal of Large Soft Tissue Tumor (Back/Flank)
- Large Soft Tissue Tumor Removal (Hip/Pelvis)
- Subcutaneous Tumor Excision (Back)
- Flank Tumor Removal
- Large Soft Tissue Mass Excision
- Back Tumor Surgery
- Pelvis Soft Tissue Tumor Excision
- Hip Area Tumor Removal
- Subcutaneous Tumor Excision
- Large Lump Removal Hip
CPT Codes:
- 21931: Excision, tumor, soft tissue of back or flank, subcutaneous; 3 cm or greater
- 27043: Excision, tumor, soft tissue of pelvis and hip area, subcutaneous; 3 cm or greater
Also known as:
- Removal of Large Neck or Chest Tumor
- Soft Tissue Tumor Removal from Thigh or Knee
- Soft Tissue Tumor Removal from Arm or Elbow
- Excision of subcutaneous tumor
- Neck mass removal
- Chest wall tumor surgery
- Thigh Tumor Excision
- Knee Soft Tissue Mass Removal
- Subcutaneous Tumor Resection Leg
- Arm Tumor Excision
- Elbow Soft Tissue Mass Removal
- Subcutaneous Tumor Resection Arm
CPT Codes:
- 21552: Excision, tumor, soft tissue of neck or anterior thorax, subcutaneous; 3 cm or greater
- 27337: Excision, tumor, soft tissue of thigh or knee area, subcutaneous; 3 cm or greater
- 24071: Excision, tumor, soft tissue of upper arm or elbow area, subcutaneous; 3 cm or greater
Also known as:
- Removal of Benign Skin Lesion
- Benign Skin Growth Excision
- Skin Lesion Removal Surgery
- Mole Removal
- Skin Tumor Excision
CPT Codes:
- 11403: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 2.1 to 3.0 cm
Also known as:
- Intermediate Wound Repair (Body)
- Wounds and Injuries
- Laceration Repair (Body)
- Surgical Wound Closure (Trunk/Limbs)
- Deep Wound Stitching (Body)
CPT Codes:
- 12032: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.6 cm to 7.5 cm
Does Dr. Kwan accept my insurance?
Dr. Kwan accepts most major insurance plans. Important: Please call our office at (925) 338-8511 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Kwan accept in Walnut Creek, CA?
Dr. Kwan in Walnut Creek, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alameda Alliance
All Other Third Party
Contra Costa
Crown Cork and Seal Company
Elevance Health Inc. (formerly Anthem)
MAPFRE
Medicare
Other Provider Networks
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Kwan's office located?
What is Dr. Kwan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Kwan's National Provider Identifier (NPI) number is 1992913859.
What common questions do patients ask about Dr. Kwan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Kwan
What is Dr. Diane Kwan's specialty?
Dr. Kwan is a Surgeon near Walnut Creek, 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. Kwan to book an appointment today.
Is this Dr. Diane Kwan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Kwan is affiliated with John Muir Health Walnut Creek Medical Center which is a Castle Connolly Top Hospital. 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 Diane Kwan accepting new patients in Walnut Creek, CA?
Yes, Dr. Diane Kwan is accepting new patients at this time.
Does Dr. Diane Kwan offer online booking?
Please contact Dr. Kwan's office at (925) 338-8511 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Diane Kwan?
Please contact Dr. Kwan's office at (925) 338-8511 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Diane Kwan have?
Dr. Diane Kwan is certified by the American Board of Surgery.
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