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.

Overview based on verified provider data

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

Patients’ Perspective

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

Office Locations

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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Geoffrey Geiger, MD
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Geoffrey Geiger, MDDr. Salman Ahmed Khan, MDDr. Steven L Rosenblatt, MDDr. Nima Ghadimi, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
3.3 
3.1 
3.8 
20 Years of Experience 43 Years of Experience 29 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English Speaks English Speaks Spanish, English Speaks English, Spanish
Downey , CASan Marino , CALos Angeles , CAScottsdale , AZ
Med School: Perelman School of Medicine at the University of Pennsylvania Med School: American University Of The Caribbean School Of Medicine Med School: Univ Iberoamericana Unibe Santo Domingo
Current Profile
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Insurance Plans Accepted by 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

Geoffrey Geiger has the following 2 specialties

Specialty Expertise

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

Geoffrey Geiger 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 Perelman School of Medicine at the University of Pennsylvania in 2007 and Perelman School of Medicine University of Pennsylvania in 2006.

NPI Number

Geoffrey Geiger's NPI number is 1285836619.

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Frequently Asked Questions

Is Geoffrey Geiger accepting new patients?
Geoffrey Geiger is accepting new patients on Vitals. View Geoffrey Geiger's profile on Vitals to make an appointment.
Does Geoffrey Geiger accept my insurance?
You can see the insurance plans that Geoffrey Geiger accepts on their Vitals profile.
Where is Geoffrey Geiger's office located?
Geoffrey Geiger's office is located at 10226 Lakewood Blvd, Downey, CA, 90241.
Does Geoffrey Geiger accept virtual/telehealth appointments?
Geoffrey Geiger has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Geoffrey Geiger?
You can find contact information for Geoffrey Geiger here on Vitals.

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