Dr. John Romney Marshall MD is a male Internist and practices in Obstetrics & Gynecology, Gynecology, Cardiovascular Disease, and Cardiology.
A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Our records indicate this doctor is retired.
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Specialties & Research
Dr. John Marshall, MD is board certified in Obstetrics & Gynecology.
More Specialties & Research
Education & Awards
Dr. Marshall graduated from University of Pennsylvania , Philadelphia.More Education & Awards
Dr. Marshall has 6 hospital affiliations:
- Dekalb Medical Center
- Los Angeles County - Harbor - UCLA Medical Center
Accepted Insurance Plans
Dr. Marshall accepts these health insurances in at least one office:
- Unicare - 2 plans
- Anthem - 2 plans
- United Healthcare - 2 plans
More Accepted Insurance
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- Additional Information
- Where does Dr. John R. Marshall practice?
Dr. John Marshall practices Obstetrics & Gynecology, Gynecology, Cardiovascular Disease, and Cardiology near Torrance, CA.
Additional practice locations include: Atlanta, GA and Toccoa, GA.
See Torrance Obstetricians & Gynecologists and Torrance Cardiologists.