Summary

William Tseng specializes in oncology and surgical oncology, focusing on the surgical treatment of cancer patients. He graduated from Northwestern University The Feinberg School of Medicine and brings 22 years of experience to his practice. Tseng speaks English and has dedicated his career to helping patients navigate complex cancer diagnoses through surgical intervention.

Tseng practices at several renowned medical centers including USC Norris Comprehensive Cancer Center, Keck Hospital of USC, and City of Hope Comprehensive Cancer Center in Duarte, California, as well as locations in South Pasadena. His expertise includes treating challenging conditions such as sarcoma, soft tissue sarcomas, and rhabdomyosarcoma. He performs specialized procedures including soft tissue tumor removal and various diagnostic tests to help determine the best treatment approach for his patients. Patients have rated him 4.6 out of 5 stars on Vitals, reflecting their confidence in his surgical skills and compassionate care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.6
  • 22 years of experience
  • speaks English
  • Northwestern University The Feinberg School of Medicine
  • 5 written reviews
  • 2 specialties
  • 3 areas of expertise
  • 2 board certifications
  • 5 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

William Tseng has 2 locations

City of Hope Comprehensive Cancer Center - Duarte

1500 Duarte RdDuarte, CA 91010
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 8:00 pm
Sat8:00 am - 8:00 pm
Sun8:00 am - 8:00 pm

City of Hope South Pasadena

209 Fair Oaks AvenueSouth Pasadena, CA 91030

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William TsengDr. Ronald Tang, DODr. Shahrooz Eshaghian, MD, FACPDr. Virginia Von Schaefer, MD
OncologyOncologyOncologyOncology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
4.6 
22 Years of Experience 18 Years of Experience 20 Years of Experience 43 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English Speaks English, Cantonese, Spanish Speaks English, Farsi, Hebrew Speaks English
Duarte , CAMontebello , CALos Angeles , CASan Clemente , CA
Med School: Northwestern University The Feinberg School of Medicine Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific Med School: Albert Einstein College of Medicine Med School: Columbia University College Of Physicians & Surgeons
Current Profile
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Insurance Plans Accepted by William Tseng

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

William Tseng has the following 2 specialties

Specialty Expertise

William Tseng has the following 3 areas of expertise

  • Colon Cancer
  • Pancreatic Cancer
  • Surgical Oncology

Certifications, License, & Education

22 Years Experience

William Tseng holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Medical School

Graduated from Northwestern University The Feinberg School of Medicine in 2004.

NPI Number

William Tseng's NPI number is 1417071242.

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Frequently Asked Questions

How can I make an appointment with William Tseng?
You can find contact information for William Tseng here on Vitals.
Is William Tseng accepting new patients?
William Tseng is accepting new patients on Vitals. View William Tseng's profile on Vitals to make an appointment.
Does William Tseng accept virtual/telehealth appointments?
William Tseng has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is William Tseng's office located?
William Tseng's office is located at 1500 Duarte Rd, Duarte, CA, 91010.
Does William Tseng accept my insurance?
You can see the insurance plans that William Tseng accepts on their Vitals profile.

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