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

Dr. Ralph Dewey Teunis III, OD

Individual provider Optometrist · NPI 1265588354

Dr. Ralph Dewey Teunis III, OD is an Optometrist in Bethesda, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2007
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

5630 Bradley Blvd
Bethesda, MD 20814-1006
Phone: (301) 654-6788
Fax: (301) 652-3120
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence TA1188 (MD)

Record details

NPI number1265588354
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJanuary 25, 2007
Last updated in NPPESOctober 24, 2013

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