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Summary
Dr. Ko graduated from the Tufts University School of Medicine in 1992. She works in Colton, CA and specializes in Pathology, Cytopathology and Family Medicine. Dr. Ko is affiliated with Arrowhead Regional Medical Center.
Quick Facts
- 34 years of experience
- 1 insurance plan accepted
- Tufts University School Of Medicine
- 3 specialties
- 5 areas of expertise
- 1 hospital affiliation
- 1 office location
- Female
Office Location
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Ellen C Ko, MD | Glecy Kristine Tan Lua | Dr. Gary Lee Groves | Lorraine Pham Le Stephens |
| Pathology | Nurse Practitioner | Emergency Medicine | Nurse Practitioner |
| 34 Years of Experience | 56 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Colton , CA | Riverside , CA | San Bernardino , CA | YORBA LINDA , CA |
| Med School: Tufts University School Of Medicine | Med School: Loma Linda University School Of Medicine | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Ellen C Ko
Medical Specialties
Dr. Ellen C Ko has the following 3 specialties
Specialty Expertise
Dr. Ellen C Ko has the following 5 areas of expertise
Certifications, License, & Education
34 Years Experience
Dr. Ellen C Ko 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 2025.
Education & Training
Medical School
Graduated from Tufts University School Of Medicine in 1992.
NPI Number
Dr. Ko's NPI number is 1124047501.
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Frequently Asked Questions
- Where is Dr. Ellen Ko's office located?
- Dr. Ellen Ko's office is located at 400 N Pepper Ave, Colton, CA, 92324.
- Which hospitals is Dr. Ellen Ko affiliated with?
- Dr. Ellen Ko is affiliated with Arrowhead Regional Medical Center.
- Does Dr. Ellen Ko accept my insurance?
- You can see the insurance plans that Dr. Ellen Ko accepts on their Vitals profile.
- Is Dr. Ellen Ko accepting new patients?
- Dr. Ellen Ko has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Ellen Ko accept virtual/telehealth appointments?
- Dr. Ellen Ko has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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