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

Dr. Diana Marie Douglas, OD

Individual provider Optometrist · NPI 1144452459

Dr. Diana Marie Douglas, OD is an Optometry in Warren, Ohio. Graduated from Illinois College of Optometry at Chicago in 1999, 27 years ago. Practices with Douglas Family Eyecare, Inc, a 3-clinician group and accepts Medicare assignment. Licensed in North Carolina and Ohio.

Years since qualifying
27
Trained at
Illinois College of Optometry at Chicago
Licensed in
NC, OH
In the registry since
2009
Specialties on file
2
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

302 Niles Cortland Rd NE
Warren, OH 44484-1940
Phone: (330) 394-2020
Fax: (330) 395-7194
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 5534 (OH)
Optometrist Taxonomy 152W00000X · Licence 1979 (NC)

Record details

NPI number1144452459
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedAugust 20, 2009
Last updated in NPPESNovember 21, 2025
Certification dateNovember 21, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 1999 (27 years in practice)
Group practice Douglas Family Eyecare, Inc. — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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