Brenda Lynn Bohnsack, M.D., PHD
Ophthalmology Physician · Chicago, IL
Brenda Lynn Bohnsack, M.D., PHD is an ophthalmology physician with a practice address in Chicago, Illinois, and NPI 1811199953, issued on Jun 1, 2007. Check the license (Illinois 036.152635, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Brenda Lynn Bohnsack
- Credential
- M.D., PHD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 036.152635 IL
4301088483 MI
Self-reported in NPPES; status is on the state search - Practice location
- 225 E Chicago Ave, Chicago, IL 60611
- Phone
- (312) 227-6728
- Enumerated
- Jun 1, 2007
- Record last updated
- Jan 8, 2024
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 225 E Chicago Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jasmene Abernathy, MDStudent in an Organized Health Care Education/Training Program1881454957
- Tamkeen Abreu, PHARMD, BCPSPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1366888653
- Matthew Abts, MDPediatric Pulmonology Physician1588989750
- Samuel AccordinoStudent in an Organized Health Care Education/Training Program1194525204
- Carly Adajian, DDSDentist1184373029
- Julie Adams, RDRegistered Dietitian1417569153
Verify Brenda Lynn Bohnsack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.152635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average ophthalmology physician in 2024
15 Medicare Part D claims, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $111.83
2 payments; by number, the most common kind was food and beverage; the largest payer was Spark Therapeutics, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Brenda Lynn Bohnsack among 898 ophthalmology physician records in Illinois
Brenda Lynn Bohnsack, M.D., PHD is one of 898 ophthalmology physician records with a practice address in Illinois. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 36% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Illinois
There are 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Chicago → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ann Bidwell, MDChicago, IL 606111144296823
- Paul Bryar, MDChicago, IL 606111114986536
- Manjot Gill, MDChicago, IL 606111396776894
- Peter Holland, MDChicago, IL 606111720063605
- Lee Jampol, MDChicago, IL 606111073547303
- Alice Lyon, MDChicago, IL 606111992737969
- Jonathan McGlothan, M.D.Chicago, IL 606111154374973
- Rukhsana Mirza, M.D.Chicago, IL 606111033163530
Common questions
What is Brenda Lynn Bohnsack, M.D., PHD's NPI number?
Brenda Lynn Bohnsack, M.D., PHD's National Provider Identifier (NPI) is 1811199953, issued on Jun 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Brenda Lynn Bohnsack, M.D., PHD located?
The NPPES record lists a practice address at 225 E Chicago Ave, Chicago, IL, 60611. Phone: (312) 227-6728. Providers update this record themselves, so call before visiting.
How can I verify Brenda Lynn Bohnsack, M.D., PHD's license?
NPPES lists Illinois license number 036.152635, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brenda Lynn Bohnsack, M.D., PHD prescribe under Medicare Part D?
In 2024, Brenda Lynn Bohnsack, M.D., PHD had 15 Medicare Part D claims; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.