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

Dr. Jason Richard Diehl, OD

Individual provider Optometrist · NPI 1003875147

Dr. Jason Richard Diehl, OD is an Optometry in Columbia, Illinois. Graduated from University of Missouri St Louis - School of Optometry in 2000, 26 years ago. Practices with Clarkson Optometry Illinois, PC, a 16-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
26
Trained at
University of Missouri St Louis - School of Optometry
Licensed in
IL
In the registry since
2006
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

1025 Columbia Ctr
Columbia, IL 62236-2546
Phone: (618) 281-8611
Fax: (618) 281-3927
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046-009550 (IL)

Record details

NPI number1003875147
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedMarch 18, 2006
Last updated in NPPESOctober 2, 2014

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF MISSOURI ST LOUIS - SCHOOL OF OPTOMETRY
Graduated 2000 (26 years in practice)
Group practice Clarkson Optometry Illinois, Pc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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