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

Dr. James Douglas Colgain, OD

Individual provider Optometrist · NPI 1821264235

Dr. James Douglas Colgain, OD is an Optometrist in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia, Maryland and Virginia.

Licensed in
DC, MD, VA
In the registry since
2008
Specialties on file
3
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

1133 20th St NW
Washington, DC 20036-3408
Phone: (202) 296-4900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OP579 (DC)
Optometrist Taxonomy 152W00000X · Licence TA0878 (MD)
Optometrist Taxonomy 152W00000X · Licence 0618000157 (VA)

Record details

NPI number1821264235
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedMay 6, 2008
Last updated in NPPESMay 6, 2008

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