4.8
277 Ratings with 251 written Reviews
Summary
Dr. R. Derrick Knowles sees patients for acne vulgaris, allergies, and anxiety and depression, and performs camp physicals, cancer prevention and screening, and chronic disease management as part of his family medicine practice. He has 25 years of experience and is affiliated with Saint John Medical Center.
Dr. Knowles earned his medical degree from American University of the Caribbean School of Medicine and practices in Gresham, Oregon. Patients on Vitals rate Dr. Knowles 4.82 out of 5.
Dr. Knowles earned his medical degree from American University of the Caribbean School of Medicine and practices in Gresham, Oregon. Patients on Vitals rate Dr. Knowles 4.82 out of 5.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 25 years of experience
- 30 insurance plans accepted
- speaks English
- American University of the Caribbean School of Medicine
- 251 written reviews
- 1 award
- 1 specialty
- 7 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Awards
Vitals Preferred Provider
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Office Location
Compare with Similar Doctors
 |  |  |  |
| R. Derrick Derrick Knowles, MD | Helix Virtual Care | Nicole Baldwin, APRN, FNP-BC | Dr. Kimberly Ann Shields |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 25 Years of Experience | 8 Years of Experience | 24 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English, Spanish | |
| Gresham , OR | Boca Raton , FL | Orlando , FL | Portland , OR |
| Med School: American University of the Caribbean School of Medicine | Med School: Univ Of North Texas Health Science Center Texas College Of Osteopathic Med | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by R. Derrick Derrick Knowles
Medical Specialties
R. Derrick Derrick Knowles has the following specialty
Specialty Expertise
R. Derrick Derrick Knowles has the following 7 areas of expertise
Certifications, License, & Education
25 Years Experience
R. Derrick Derrick Knowles holds an expired medical license in the states of Washington and Oregon.
Medical License
Medical Doctor with an expired medical license in the state of Washington that expired in 2026 and an expired medical license in the state of Oregon that expired in 2025.
Education & Training
Medical School
Graduated from American University of the Caribbean School of Medicine in 2001.
NPI Number
R. Derrick Derrick Knowles' NPI number is 1225113236.
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Frequently Asked Questions
- Is R. Derrick Knowles accepting new patients?
- R. Derrick Knowles is accepting new patients on Vitals. View R. Derrick Knowles's profile on Vitals to make an appointment.
- Does R. Derrick Knowles accept virtual/telehealth appointments?
- R. Derrick Knowles has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does R. Derrick Knowles accept my insurance?
- You can see the insurance plans that R. Derrick Knowles accepts on their Vitals profile.
- How can I make an appointment with R. Derrick Knowles?
- You can find contact information for R. Derrick Knowles here on Vitals.
- Where is R. Derrick Knowles's office located?
- R. Derrick Knowles's office is located at 440 NW Division St, Gresham, OR, 97030.
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