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

Dr. William D Diehl, OD

Individual provider Optometrist · NPI 1578668125

Dr. William D Diehl, OD is an Optometrist in Enid, Oklahoma. Practices as a sole proprietor. Licensed in Oklahoma.

Licensed in
OK
In the registry since
2006
Specialties on file
7
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Practice location Address checks out

502 W Owen K Garriott Rd
Enid, OK 73701-5523
Phone: (580) 233-3599
Fax: (580) 237-2570
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 802 (OK)
Corneal and Contact Management Optometrist Taxonomy 152WC0802X · Licence 802 (OK)
Low Vision Rehabilitation Optometrist Taxonomy 152WL0500X · Licence 802 (OK)
Occupational Vision Optometrist Taxonomy 152WX0102X · Licence 802 (OK)
Pediatric Optometrist Taxonomy 152WP0200X · Licence 802 (OK)
Sports Vision Optometrist Taxonomy 152WS0006X · Licence 802 (OK)
Eyewear Supplier Taxonomy 332H00000X · Licence 802 (OK)

Record details

NPI number1578668125
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedSeptember 14, 2006
Last updated in NPPESNovember 9, 2011

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