1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Optometrist
  6. NPI Profile

DANIEL M BRENNAN OD
NPI 1770006736
Optometrist in Chicago, IL

Active since July 21, 2017PECOS EnrolledAccepts Medicare Assignment
225 N MICHIGAN AVE, CHICAGO, IL 60601(312) 819-0199(312) 819-0220 Get Directions Write a Review

NPPES record last updated: July 21, 2017. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Daniel M Brennan Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DANIEL M BRENNAN OD (NPI 1770006736) is an individual optometrist in Chicago, Illinois, licensed in Illinois (046.011135) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1770006736
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDANIEL M BRENNANCredential: OD
Location Address225 N MICHIGAN AVEChicago, IL 60601-7757
Mailing Address1350 N Lake Shore Dr Apt 503Chicago, IL 60610-5123 · (847) 849-0886
Phone(312) 819-0199
Fax(312) 819-0220
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJuly 21, 2017
✔ NPI 1770006736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in IL · 046.011135
Definition
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.
225 N MICHIGAN AVE, Chicago, IL 60601
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross Blue Shield of Wyoming, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Daniel M Brennan Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890227789
PECOS Enrollment IDI20241016004001
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
49 services49 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
37 services37 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services18 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARY GOURIS OD
Optometrist
225 N MICHIGAN AVE
CHICAGO, IL 60601
Cook County (312) 819-0199
DR. ANDREW JOHN MULDER O.D.
Optometrist
225 N MICHIGAN AVE, LENSCRAFTERS
CHICAGO, IL 60601
Cook County (312) 819-0199
JORDAN K DRISKELL M.S.
Marriage & Family Therapist
225 N MICHIGAN AVE
CHICAGO, IL 60601
Cook County (312) 766-6780
CODY FOURNIER LICSW
Social Worker (Clinical)
225 N MICHIGAN AVE
CHICAGO, IL 60601
Cook County (774) 214-8076
MIRJAM QUINN PH.D.
Psychologist (Clinical)
225 N MICHIGAN AVE
CHICAGO, IL 60601
Cook County (773) 474-9840
JULIE VASHI O.D.
Optometrist
225 N MICHIGAN AVE
CHICAGO, IL 60601
Cook County (312) 819-0199
MRS. DANIELLE LAUREN COHEN LMFT #129638
Marriage & Family Therapist
225 N MICHIGAN AVE, #1430
CHICAGO, IL 60601
Cook County (312) 766-6780
ZAAR LLC
Clinical Medical Laboratory
225 N MICHIGAN AVE
CHICAGO, IL 60601
Cook County (312) 297-6823

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel Brennan's NPI number?

The NPI number for Daniel Brennan is 1770006736. It was assigned to this individual provider in the NPPES registry on July 21, 2017.

Where is Daniel Brennan located?

Daniel Brennan practices at 225 N Michigan Ave, Chicago, IL 60601. The listed phone number is (312) 819-0199.

What is Daniel Brennan's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Daniel Brennan enrolled in Medicare?

Yes. Daniel Brennan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Daniel Brennan accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Providence Health Plan list Daniel Brennan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Daniel Brennan was last updated on July 21, 2017. NPI Profile syncs with the weekly NPPES data releases published by CMS.