NPPES file of Aug 9, 2026

Allen Y. Ganjei, MD

Ophthalmology Physician · Chicago, IL

Allen Y. Ganjei, MD is an ophthalmology physician with a practice address in Chicago, Illinois, and NPI 1689324782, issued on Mar 24, 2022. Check the license (Illinois 036.180619, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689324782
Name
Allen Y. Ganjei
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
036.180619 IL
Self-reported in NPPES; status is on the state search
Practice location
645 N Michigan Ave Ste 440, Chicago, IL 60611
Phone
(312) 503-3649
Enumerated
Mar 24, 2022
Record last updated
Jun 18, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 645 N Michigan Ave Ste 440

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tony Chen, MDOphthalmology Physician1841720729
  2. Dilraj Grewal, MDOphthalmology Physician1437460656
  3. Hong-Gam Le, M.D.Ophthalmology Physician1831552272
  4. Jeffrey Liu, MDOphthalmology Physician1851479422
  5. Camille Palma, M.D.Ophthalmology Physician1154656577

Verify Allen Y. Ganjei in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.180619
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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51% fewer Medicare Part D claims than the average ophthalmology physician in 2024

750 Medicare Part D claims for 134 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.

  1. Allen Ganjei750
  2. Specialty average1,518

Most prescribed

  1. Latanoprost290 claims
  2. Brimonidine Tartrate119 claims
  3. Dorzolamide-Timolol106 claims
  4. Brinzolamide57 claims
  5. Timolol Maleate30 claims
  6. Combigan27 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.

Allen Y. Ganjei among 898 ophthalmology physician records in Illinois

Allen Y. Ganjei, MD 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 2022, is newer than 93% of them.

  • NPI issued2022 · 93% of these records are older, 5% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2026 · 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.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Ann Bidwell, MDChicago, IL 606111144296823
  2. Paul Bryar, MDChicago, IL 606111114986536
  3. Manjot Gill, MDChicago, IL 606111396776894
  4. Peter Holland, MDChicago, IL 606111720063605
  5. Lee Jampol, MDChicago, IL 606111073547303
  6. Alice Lyon, MDChicago, IL 606111992737969
  7. Jonathan McGlothan, M.D.Chicago, IL 606111154374973
  8. Rukhsana Mirza, M.D.Chicago, IL 606111033163530

Common questions

What is Allen Y. Ganjei, MD's NPI number?

Allen Y. Ganjei, MD's National Provider Identifier (NPI) is 1689324782, issued on Mar 24, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Allen Y. Ganjei, MD located?

The NPPES record lists a practice address at 645 N Michigan Ave Ste 440, Chicago, IL, 60611. Phone: (312) 503-3649. Providers update this record themselves, so call before visiting.

How can I verify Allen Y. Ganjei, MD's license?

NPPES lists Illinois license number 036.180619, 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 Allen Y. Ganjei, MD prescribe under Medicare Part D?

In 2024, Allen Y. Ganjei, MD had 750 Medicare Part D claims for 134 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.