Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1811199953 Individual Practitioner Female Practitioner

Dr. Brenda Lynn Bohnsack , MD, PhD

Ophthalmology • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Dr. Brenda Bohnsack, MD, PhD is a registered healthcare professional specializing in Ophthalmology in Chicago, IL. Practice services are available at 225 E CHICAGO AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

225 E Chicago Ave

Chicago, IL 606112991

Telephone 3122276728
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 22.3 Yrs
State Avg: 31.1 Yrs
Regional Practice Density
322 Specialists

Practicing in Chicago, IL (954 Statewide)

Telehealth Adoption Rate
1.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2024-01-08
Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License MI 4301088483

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Ophthalmology

NUCC Taxonomy Code: 207W00000X

State License IL 036.152635

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Practice Associates & Co-Workers

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

40 Associated Practitioners
NPI 1003087909

Doctor of Osteopathic Medicine (D.O.)

NPI 1003117334

Doctor of Medicine (M.D.)

Jessica Offenbach , APN

Nurse Practitioner - Pediatrics

NPI 1003152778

Advanced Practice Nurse

Jenny Lee , APN

Nurse Practitioner - Neonatal

NPI 1003164781

Advanced Practice Nurse

Dr. Erin Cohen , MD

Pediatrics - Hospice and Palliative Medicine

NPI 1003309543

Doctor of Medicine (M.D.)

Dr. Joseph Collins , MD

Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology

NPI 1003313156

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

12 Historical Events
📍
Updated Practice Location January 24, 2021

Registered at 225 E CHICAGO AVE, CHICAGO, IL 606112991 (Tel: 3122276728)

📍
Updated Business Mailing Address January 24, 2021

Registered at 225 E CHICAGO AVE, CHICAGO, IL 606112991 (Tel: 3122276728)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 24, 2021

Ophthalmology (License #4301088483 in MI)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 29, 2020

Ophthalmology (License #036.152635 in IL)

📍
Updated Business Mailing Address May 28, 2019

Registered at 3621 S STATE ST, ANN ARBOR, MI 481081633 (Tel: 7346475299)

👤
Provider Name / Credentials Updated May 28, 2019

Recorded as BRENDA BOHNSACK, M.D., PHD

NPI Profile Active July 07, 2010

NPI status registered as active in NPPES database

📍
Updated Practice Location July 07, 2010

Registered at 1000 WALL ST, ANN ARBOR, MI 481051912 (Tel: 7347644190)

📍
Updated Business Mailing Address July 07, 2010

Registered at 3621 S STATE ST, 700 KMS PLACE, ANN ARBOR, MI 48108 (Tel: 7349362047)

👤
Provider Name / Credentials Updated July 07, 2010

Recorded as BRENDA BOHNSACK, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 07, 2010

Ophthalmology (License #4301088483 in MI)

🟢
Initial NPI Registration & Enumeration June 01, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1811199953
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 01, 2007
Last Update: January 08, 2024
Sole Proprietor: No

Mailing Address

225 E Chicago Ave

Chicago, IL 606112991

Phone: 3122276728

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.