4.5
28 Ratings with 11 written Reviews
Summary
Dr. John Marshall is a family medicine physician with nearly five decades of medical experience serving patients in Phoenix, Arizona. He earned his medical degree from the University of Toronto Faculty of Medicine and has been practicing for 49 years, bringing extensive knowledge to comprehensive family care. Dr. Marshall is bilingual, providing medical services in both English and Spanish.
Dr. Marshall maintains affiliations with Abrazo Scottsdale Campus and HonorHealth John C Lincoln Medical Center, where he practices in Phoenix. His long-standing career in family medicine allows him to provide continuity of care for patients across all age groups, from routine check-ups to managing ongoing health conditions. Patients have given him an average rating of 4.5 stars on Vitals, reflecting their confidence in his medical expertise and care approach.
Dr. Marshall maintains affiliations with Abrazo Scottsdale Campus and HonorHealth John C Lincoln Medical Center, where he practices in Phoenix. His long-standing career in family medicine allows him to provide continuity of care for patients across all age groups, from routine check-ups to managing ongoing health conditions. Patients have given him an average rating of 4.5 stars on Vitals, reflecting their confidence in his medical expertise and care approach.
Overview based on verified provider data
Quick Facts
- 49 years of experience
- speaks English, Spanish
- Univ Of Toronto Fac Of Med
- 11 written reviews
- 1 specialty
- 7 areas of expertise
- 2 hospital affiliations
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. John Duncan Marshall has 2 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. John Duncan Marshall | Dr. Kevin Chan, DO, MS, FASA | Dr. Deborah Lacson Baldemor, MD | Brenda Baker, FNP-C |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 49 Years of Experience | 30 Years of Experience | 21 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available |
| Speaks English, Spanish | Speaks Chinese, English, Spanish | ||
| Phoenix , AZ | Phoenix , AZ | Scottsdale , AZ | Scottsdale , AZ |
| Med School: Univ Of Toronto Fac Of Med | Med School: University Of Cincinnati College Of Medicine | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Duncan Marshall
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. John Duncan Marshall has the following specialty
Specialty Expertise
Dr. John Duncan Marshall has the following 7 areas of expertise
Certifications, License, & Education
49 Years Experience
Dr. John Duncan Marshall holds an expired medical license in the state of Arizona.
Medical License
Medical Doctor with an expired medical license in the state of Arizona that expired in 2026.
Education & Training
Medical School
Graduated from Univ Of Toronto Fac Of Med in 1977.
NPI Number
Dr. Marshall's NPI number is 1780761916.
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Frequently Asked Questions
- Is Dr. John Marshall accepting new patients?
- Dr. John Marshall has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- What languages does Dr. John Marshall speak?
- Dr. John Marshall speaks English and Spanish.
- Where is Dr. John Marshall's office located?
- Dr. John Marshall's office is located at 250 E Dunlap Ave, Phoenix, AZ, 85020.
- Does Dr. John Marshall accept my insurance?
- You can see the insurance plans that Dr. John Marshall accepts on their Vitals profile.
- Which hospitals is Dr. John Marshall affiliated with?
- Dr. John Marshall is affiliated with Abrazo Scottsdale Campus and Honorhealth John C Lincoln Medical Center.
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