Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John James O'Neill, OD

Individual provider Optometrist · NPI 1356503403

Dr. John James O'Neill, OD is an Optometry in Crystal Lake, Illinois. Qualified in 2008, 18 years ago. Practices with Christina J. Levi O D P C., a 63-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
18
Licensed in
IL
In the registry since
2008
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

4002 Wyndwood Dr
Crystal Lake, IL 60014-6545
Phone: (815) 245-2560
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046.010068 (IL)

Record details

NPI number1356503403
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJune 30, 2008
Last updated in NPPESJune 30, 2008

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Christina J. Levi O D P C. — 63 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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