Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1770006736 Individual Practitioner Male Practitioner

Dr. Daniel M Brennan , OD

Optometrist • Chicago, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Daniel Brennan, OD is a certified Optometrist practicing in Chicago, IL. With approximately 9 years of clinical experience since completing medical education in 2017, Dr. Brennan delivers high-quality medical care to the local community at 225 N MICHIGAN AVE.

Dr. Brennan is affiliated with Christina J. Levi O D P C. and accepts Medicare assignment.

Frequently performed procedures and clinical services include photography of the retina, established patient complete exam of visual system, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

225 N Michigan Ave

Chicago, IL 606017757

Telephone 3128190199
Fax 3128190220
Associated Practice Facility / Clinic
🏢 Luxottica Of America Inc. Facility NPI 1629163886

Medicare Profile & Education

Medical School

Other

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Chicago, IL

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
9 Yrs -6.6 yrs vs City Avg
City Avg: 15.6 Yrs
State Avg: 22.8 Yrs
Regional Practice Density
633 Specialists

Practicing in Chicago, IL (2783 Statewide)

Telehealth Adoption Rate
0.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
35.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Brennan (9 Years) 9 Yrs
Chicago Specialty Average (15.6 Years) 15.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
92250 Photography of the retina
49 49 $130.00 $37.72
92014 Established patient complete exam of visual system
37 37 $165.00 $127.22
99213 Established patient office or other outpatient visit, typically 15 minutes
24 18 $120.00 $94.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
14 14 $190.00 $132.56

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License IL 046.011135

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Hospital & Practice Group Affiliations

Christina J. Levi O D P C.

1900 Waukegan Rd, Glenview, IL 600251714

Phone: 8476578787

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

5 Associated Practitioners
NPI 1003358466

Doctor of Optometry

NPI 1023241569

Doctor of Optometry

NPI 1205673266

Doctor of Optometry

NPI 1235560111

Doctor of Optometry

NPI 1659927382

Doctor of Optometry

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 21, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location July 21, 2017

Registered at 225 N MICHIGAN AVE, CHICAGO, IL 606017757 (Tel: 3128190199)

📍
Updated Business Mailing Address July 21, 2017

Registered at 1350 N LAKE SHORE DR APT 503, CHICAGO, IL 606105123 (Tel: 8478490886)

👤
Provider Name / Credentials Updated July 21, 2017

Recorded as DANIEL BRENNAN, OD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 21, 2017

Optometrist (License #046.011135 in IL)

🟢
Initial NPI Registration & Enumeration July 21, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1770006736
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 21, 2017
Last Update: July 21, 2017
Sole Proprietor: No

Mailing Address

1350 N Lake Shore Dr Apt 503

Chicago, IL 606105123

Phone: 8478490886

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.