Summary

Dr. Stephen Gruber specializes in oncology, bringing 34 years of experience to cancer care. He earned his medical degree from the University of Pennsylvania School of Medicine in Philadelphia and holds additional doctoral and master's degrees in public health. Dr. Gruber completed his residency training at Johns Hopkins University School of Medicine in medical oncology and at the University of Pennsylvania Health System in internal medicine. He maintains board certification in internal medicine from the American Board of Internal Medicine and speaks English.

Dr. Gruber practices at USC Norris Comprehensive Cancer Center in Duarte, California. His clinical expertise focuses on treating breast cancer, including complex cases involving metastatic or recurrent breast cancer and Paget disease of the breast. He performs essential diagnostic procedures such as comprehensive metabolic panels and complete blood counts to monitor patient health during treatment. Patients rate Dr. Gruber 5.0 out of 5 stars for his care.
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Quick Facts

  • accepting new patients
  • 5
  • 34 years of experience
  • 33 insurance plans accepted
  • speaks English
  • Johns Hopkins Univ Sch Med, Medical Oncology; Univ Of Pa Hlth System, Internal Medicine
  • 1 written review
  • 1 specialty
  • 12 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Stephen Gruber, M.D., Ph.D., M.P.H.

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
SatClosed
SunClosed

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Stephen Gruber, MD, PHD, MPHDr. Shahrooz Eshaghian, MD, FACPDr. Ronald Tang, DODr. Virginia Von Schaefer, MD
OncologyOncologyOncologyOncology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
34 Years of Experience 20 Years of Experience 18 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, Farsi, Hebrew Speaks English, Cantonese, Spanish Speaks English
Duarte , CALos Angeles , CAMontebello , CASan Clemente , CA
Med School: University of Pa Sch of Med, Philadelphia Pa Med School: Albert Einstein College of Medicine Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific Med School: Columbia University College Of Physicians & Surgeons
Current Profile
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Insurance Plans Accepted by Stephen Gruber

  • AARP
  • Aetna
  • Aetna - Medicare
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Michigan
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California - HMO
  • Cigna
  • Cigna - PPO
  • Health Net
  • Health Net - HMO
  • Health Net - Medicaid
  • Health Net - Medicaid (HMO Plans)
  • Health Plan of Nevada
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid
  • L.A. Care Health Plan - HMO
  • Medi-Cal - Medicaid (HMO Plans)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Optima Health - Medicaid
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - POS
  • UnitedHealthcare - PPO

Medical Specialties

Stephen Gruber has the following specialty

Specialty Expertise

Stephen Gruber has the following 12 areas of expertise

  • Breast Cancer
  • Cancer
  • Cancerous Tumor
  • Carcinoma
  • Chemotherapy
  • Colorectal Cancer
  • Gene Therapy
  • Genetics
  • Melanoma
  • Metastasis
  • Ovarian Cancer
  • Prostate Cancer (Prostatic Neoplasm)

Certifications, License, & Education

34 Years Experience

BOARD CERTIFICATIONS

American Board of Internal Medicine

Internal medicine

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Residency

Johns Hopkins Univ Sch Med, Medical Oncology; Univ Of Pa Hlth System, Internal Medicine

Medical School

University of Pa Sch of Med, Philadelphia PaGraduated in 1992

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Frequently Asked Questions

Is Stephen Gruber accepting new patients?
Stephen Gruber is accepting new patients on Vitals. View Stephen Gruber's profile on Vitals to make an appointment.
Does Stephen Gruber accept my insurance?
You can see the insurance plans that Stephen Gruber accepts on their Vitals profile.
Does Stephen Gruber accept virtual/telehealth appointments?
Stephen Gruber has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Stephen Gruber speak?
Stephen Gruber speaks English.
Which hospitals is Stephen Gruber affiliated with?
Stephen Gruber is affiliated with Usc Norris Comprehensive Cancer Center.

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