Summary

Dr. Andrew Chang is an internal medicine physician who has dedicated 26 years to providing comprehensive adult healthcare. He earned his medical degree from the University of California Davis School of Medicine, building a strong foundation in clinical practice. His expertise spans the full spectrum of internal medicine, with particular focus on managing complex medical conditions in adult patients. Dr. Chang communicates with patients in English, Spanish, and Vietnamese.

Dr. Chang practices at Kaiser Permanente Walnut Creek Medical Center in Walnut Creek, California. He specializes in treating kidney-related conditions, including chronic kidney disease and advanced kidney disease. His clinical services include conducting comprehensive metabolic panels and urine tests to monitor patient health. Patients have given Dr. Chang an average rating of 4.0, reflecting his commitment to quality care.

Overview based on verified provider data

Quick Facts

  • 4
  • 26 years of experience
  • 22 insurance plans accepted
  • speaks English, Spanish, Vietnamese
  • CREIGHTON UNIVERSITY SCHOOL OF MEDICINE
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Kaiser Permanente Walnut Creek Medical Center

1425 S Main StWalnut Creek, CA 94596
Mon12:00 am - 12:00 pm
Tue12:00 am - 12:00 pm
Wed12:00 am - 12:00 pm
Thu12:00 am - 12:00 pm
Fri12:00 am - 12:00 pm
Sat12:00 am - 12:00 pm
Sun12:00 am - 12:00 pm

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Dr. Andrew Horngtzu Chang, MD
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Dr. Andrew Horngtzu Chang, MDLarissa Chartrand, MDNguyen Nguyen, MDKulbir Bajwa, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
26 Years of Experience 16 Years of Experience 10 Years of Experience 32 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish, Vietnamese Speaks English, Spanish Speaks English, Spanish
Walnut Creek , CAFairfield , CAFairfield , CAVacaville , CA
Med School: CREIGHTON UNIVERSITY SCHOOL OF MEDICINE Med School: St Matthews University School Of Medicine (Grand Cayman) Med School: St Georges University School Of Medicine Med School: University Of Manitoba
Current Profile
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Insurance Plans Accepted by Dr. Andrew Horngtzu Chang

  • Aetna
  • Alameda Alliance for Health - Medicaid (Managed)
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Oklahoma
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • Cigna
  • Contra Costa Health Plan
  • Health Net - HMO
  • Kaiser Permanente
  • Kaiser Permanente - DHMO
  • Kaiser Permanente - HMO
  • Kaiser Permanente - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Three Rivers Providers Network (TRPN) - Medicaid (Managed)
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • Western Health Advantage
  • Western Health Advantage - HMO

Medical Specialties

Dr. Andrew Horngtzu Chang has the following specialty

Specialty Expertise

Dr. Andrew Horngtzu Chang has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

26 Years Experience

Dr. Andrew Horngtzu Chang holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027.

Education & Training

Medical School

Graduated from CREIGHTON UNIVERSITY SCHOOL OF MEDICINE and University Of California Davis School Of Medicine in 2000.

NPI Number

Dr. Chang's NPI number is 1477632131.

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Frequently Asked Questions

Does Dr. Andrew Chang accept virtual/telehealth appointments?
Dr. Andrew Chang has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Andrew Chang accepting new patients?
Dr. Andrew Chang has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Andrew Chang accept my insurance?
You can see the insurance plans that Dr. Andrew Chang accepts on their Vitals profile.
Which hospitals is Dr. Andrew Chang affiliated with?
Dr. Andrew Chang is affiliated with Kaiser Permanente Walnut Creek Medical Center.
Where is Dr. Andrew Chang's office located?
Dr. Andrew Chang's office is located at 1425 S Main St, Walnut Creek, CA, 94596.

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