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

Dr. David D Ernst, OD

Individual provider Optometrist · NPI 1306076518

Dr. David D Ernst, OD is an Optometry in O Fallon, Illinois. Graduated from University of Nebraska College of Medicine in 2009, 17 years ago. Practices with Family Eye Care of Ofallon PC, a 5-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
17
Trained at
University of Nebraska College of Medicine
Licensed in
IL
In the registry since
2009
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

735 Insight Ave
O Fallon, IL 62269-2193
Phone: (618) 628-2903
Fax: (618) 628-2913
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046010290 (IL)

Record details

NPI number1306076518
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJuly 22, 2009
Last updated in NPPESDecember 11, 2019
Certification dateDecember 11, 2019
Mailing address735 Insight Ave, O Fallon, IL 62269-2193

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF NEBRASKA COLLEGE OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Family Eye Care Of Ofallon Pc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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