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.
- He has special expertise in 2 areas:
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Education & Awards
Dr. Marshall graduated from University of Pennsylvania , Philadelphia.
Dr. Marshall has 3 hospital affiliations:
- Los Angeles County - Harbor - UCLA Medical Center
- St Joseph`s Hospital Atlanta
- Childrens Healthcare at Egleston
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- Additional Information
- Dr. John Romney Marshall MD is a male Obstetrician & Gynecologist and practices in Obstetrics & Gynecology.
- Where does Dr. John R. Marshall practice?
- Dr. John Marshall has 1 office location.
Dr. John Marshall practices Obstetrics & Gynecology near Torrance, CA.
See Torrance Obstetricians & Gynecologists.