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

Dr. Richard Castillo, DO

Individual provider Ophthalmology Physician · NPI 1679593008

Dr. Richard Castillo, DO is an Ophthalmology Physician in Tahlequah, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2006.

Licensed in
OK
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1001 N Grand Ave
Tahlequah, OK 74464-7017
Phone: (918) 458-2109
Fax: (918) 458-2310
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 3182 (OK)

Record details

NPI number1679593008
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESJuly 31, 2008
Mailing address1001 N Grand Ave, Tahlequah, OK 74464-7017

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