Nahrain P. Schumaier, MD
Cornea and External Diseases Specialist Physician · Chicago, IL
Nahrain P. Schumaier, MD is a cornea and external diseases specialist physician with a practice address in Chicago, Illinois, and NPI 1871175828, issued on Apr 28, 2021. Check the license (Illinois 036175130, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Nahrain P. Schumaier
- Credential
- MD
- Primary taxonomy
- Cornea and External Diseases Specialist Physician 207WX0120X
- License numbers
- 036175130 IL
4351047827 MI
Self-reported in NPPES; status is on the state search - Practice location
- 259 E Erie St Ste 1520, Chicago, IL 60611
- Phone
- (312) 695-8150
- Enumerated
- Apr 28, 2021
- Record last updated
- Jun 13, 2025
- Fax
- (312) 695-3652
- Medicare enrollment
- Enrolled (PECOS I20250617000818); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cornea and external diseases specialist physician records → All 20 in Illinois → Look up another NPI →
Also registered at 259 E Erie St Ste 1520
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nahrain P. Schumaier 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 036175130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average cornea and external diseases specialist physician in 2024
394 Medicare Part D claims for 121 beneficiaries, against an average of 1,263 among the 330 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Prednisolone Acetate80 claims
- Latanoprost73 claims
- Ofloxacin49 claims
- Brimonidine Tartrate32 claims
- Timolol Maleate24 claims
- Erythromycin23 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: $705.36
14 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 284 providers of this specialty with any payment received $3,109.37 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.
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nahrain P. Schumaier among 20 cornea and external diseases specialist physician records in Illinois
Nahrain P. Schumaier, MD is one of 20 cornea and external diseases specialist physician records with a practice address in Illinois. 95% 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 80% of them.
- NPI issued2021 · 80% of these records are older, 15% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2021 · median 2013 among the 16 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0120X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cornea and External Diseases Specialist Physician providers in Illinois
There are 20 cornea and external diseases specialist physician records in Illinois.
All 20 in Illinois → Every provider in Chicago → Cornea and External Diseases Specialist Physician nationwide →
The 8 cornea and external diseases specialist physician records with the nearest ZIP codes
- Farshad Abedi, MD, DMEDSCChicago, IL 606121992543722
- Jennifer ParkChicago, IL 606121568880318
- Raiza Perez, MDChicago, IL 606121790536886
- Arnaldo Roizenblatt, MDChicago, IL 606121609799790
- Hajirah Saeed, M.D.Chicago, IL 606121902197122
- Harold Sy, MDChicago, IL 606301992730030
- Avrey Thau, MDChicago, IL 606411164981916
- Andrea Arteaga, MDChicago, IL 606571154826584
Common questions
What is Nahrain P. Schumaier, MD's NPI number?
Nahrain P. Schumaier, MD's National Provider Identifier (NPI) is 1871175828, issued on Apr 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nahrain P. Schumaier, MD located?
The NPPES record lists a practice address at 259 E Erie St Ste 1520, Chicago, IL, 60611. Phone: (312) 695-8150. Providers update this record themselves, so call before visiting.
How can I verify Nahrain P. Schumaier, MD's license?
NPPES lists Illinois license number 036175130, 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 Nahrain P. Schumaier, MD prescribe under Medicare Part D?
In 2024, Nahrain P. Schumaier, MD had 394 Medicare Part D claims for 121 beneficiaries; the average among cornea and external diseases specialist physician prescribers was 1,263. 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.