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

Individual provider Optometrist · NPI 1770006736

Daniel M Brennan, OD is an Optometry in Chicago, Illinois. Qualified in 2017, 9 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
9
Licensed in
IL
In the registry since
2017
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

225 N Michigan Ave
Chicago, IL 60601-7757
Phone: (312) 819-0199
Fax: (312) 819-0220
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046.011135 (IL)

Record details

NPI number1770006736
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 21, 2017
Last updated in NPPESJuly 21, 2017

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 2017 (9 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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