Summary

Dr. Geoffrey Geiger specializes in internal medicine and radiation oncology, bringing two decades of experience to cancer care. He earned his medical degree from the prestigious Perelman School of Medicine at the University of Pennsylvania. Dr. Geiger is board-certified in his specialties and provides care in English.

Dr. Geiger practices at The Oncology Institute locations in Downey and Covina, California. He focuses on treating prostate cancer, including advanced and recurrent cases. His expertise includes radiation therapy and external beam radiation treatments. Patients have given Dr. Geiger an average rating of 4.7 out of 5 stars on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.7
  • 20 years of experience
  • 25 insurance plans accepted
  • speaks English
  • Perelman School of Medicine at the University of Pennsylvania
  • 14 written reviews
  • 2 specialties
  • 7 areas of expertise
  • 2 board certifications
  • 2 office locations
  • Male

Office Locations

Dr. Geoffrey Geiger has 2 locations

The Oncology Institute - Downey Radiation Oncology

10226 Lakewood BlvdDowney, CA 90241
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

The Oncology Institute - Covina Radiation Oncology

554 E San Bernardino Rd Ste 105Covina, CA 91723
MonClosed
Tue8:00 am - 5:00 pm
WedClosed
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Geoffrey Geiger, MDDr. Adama Diarra, DOKarthikeyan Viswanathan, DOEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
3.9 
20 Years of Experience 14 Years of Experience 12 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, French, Bambara Speaks English, Tamil Speaks English
Downey , CATigard , ORLos Altos , CALyons , CO
Med School: Perelman School of Medicine at the University of Pennsylvania Med School: Arizona College of Osteopathic Medicine Med School: Bassett Medical Center - Cooperstown, New York Med School: Duke University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Geoffrey Geiger

  • Aetna
  • Aetna - HMO
  • Aetna Better Health
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA - HMO
  • Brand New Day
  • CalOptima
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Geoffrey Geiger has the following 2 specialties

Specialty Expertise

Dr. Geoffrey Geiger has the following 7 areas of expertise

  • Cancer
  • Hodgkin's Lymphoma
  • Mouth Cancer
  • Radiation Oncology
  • Radiation Therapy
  • Throat Cancer (Pharyngeal Neoplasm)
  • Uterine Cancer

Certifications, License, & Education

20 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Medical School

Perelman School of Medicine at the University of PennsylvaniaGraduated in 2007
Perelman School of Medicine University of PennsylvaniaGraduated in 2006

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Frequently Asked Questions

Is Dr. Geoffrey Geiger accepting new patients?
Dr. Geoffrey Geiger is accepting new patients on Vitals. View Dr. Geoffrey Geiger's profile on Vitals to make an appointment.
What languages does Dr. Geoffrey Geiger speak?
Dr. Geoffrey Geiger speaks English.
Does Dr. Geoffrey Geiger accept my insurance?
You can see the insurance plans that Dr. Geoffrey Geiger accepts on their Vitals profile.
Where is Dr. Geoffrey Geiger's office located?
Dr. Geoffrey Geiger's office is located at 10226 Lakewood Blvd, Downey, CA, 90241.
How can I make an appointment with Dr. Geoffrey Geiger?
You can find contact information for Dr. Geoffrey Geiger here on Vitals.

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