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

Dr. Douglas David Semian, MD

Individual provider Internal Medicine Physician · NPI 1801878020

Dr. Douglas David Semian, MD is an Internal Medicine Physician in New Orleans, Louisiana. Licensed in Georgia and Louisiana. Registered with an NPI since 2005.

Licensed in
GA, LA
In the registry since
2005
Specialties on file
2
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

1514 Jefferson Hwy
New Orleans, LA 70121
Phone: (504) 842-4000
Fax: (770) 793-7755
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD.204311 (LA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 053949 (GA)

Record details

NPI number1801878020
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 15, 2005
Last updated in NPPESSeptember 9, 2011

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