Patricia Bai
Ophthalmology Physician · Chicago, IL
Patricia Bai is an ophthalmology physician with a practice address in Chicago, Illinois, and NPI 1255906350, issued on May 21, 2021. Check the license (Illinois 125.080162, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Patricia Bai
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 125.080162 IL
Self-reported in NPPES; status is on the state search - Practice location
- 820 S Wood St Ste 100, Chicago, IL 60612
- Phone
- (312) 996-2933
- Enumerated
- May 21, 2021
- Record last updated
- Sep 7, 2022
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 820 S Wood St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Pooja AcharyaStudent in an Organized Health Care Education/Training Program1093581605
- Susana Acosta Nunez De Villavicencio, MDSurgery Physician1972451193
Verify Patricia Bai 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 125.080162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average ophthalmology physician in 2024
171 Medicare Part D claims for 75 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Brimonidine Tartrate32 claims
- Latanoprost27 claims
- Prednisolone Acetate22 claims
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: $1,597.92
11 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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.
Patricia Bai among 898 ophthalmology physician records in Illinois
Patricia Bai 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 2021, is newer than 90% of them.
- NPI issued2021 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2022 · 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
- Nathalie Azar, M.D.Chicago, IL 606121437133295
- Adrienne Berman, MDChicago, IL 606121003826173
- Robison Chan, MDChicago, IL 606121144204397
- Ali D'Jalilian, MDChicago, IL 606121649299363
- James Goodwin, M.D.Chicago, IL 606121023038783
- Richard Grostern, MDChicago, IL 606121902881170
- Sandeep Jain, M.D.Chicago, IL 606121972616613
- Charlotte JoslinChicago, IL 606121194735217
Common questions
What is Patricia Bai's NPI number?
Patricia Bai's National Provider Identifier (NPI) is 1255906350, issued on May 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Patricia Bai located?
The NPPES record lists a practice address at 820 S Wood St Ste 100, Chicago, IL, 60612. Phone: (312) 996-2933. Providers update this record themselves, so call before visiting.
How can I verify Patricia Bai's license?
NPPES lists Illinois license number 125.080162, 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 Patricia Bai prescribe under Medicare Part D?
In 2024, Patricia Bai had 171 Medicare Part D claims for 75 beneficiaries; 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.