Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John S Marshburn, MD

Individual provider Ophthalmology Physician · NPI 1245246164

Dr. John S Marshburn, MD is an Ophthalmology in Placentia, California. Graduated from Tulane University School of Medicine in 1993, 33 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
33
Trained at
Tulane University School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1275 N Rose Dr Ste 112
Placentia, CA 92870-3941
Phone: (714) 792-1199
Fax: (714) 792-1196
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence A60789 (CA)

Record details

NPI number1245246164
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 31, 2006
Last updated in NPPESNovember 28, 2007
Mailing address1275 N Rose Dr, Suite 112, Placentia, CA 92870-3941

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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