Leonid Ayzenberg, M.D
Ophthalmology Physician · Mount Prospect, IL
Leonid Ayzenberg, M.D is an ophthalmology physician with a practice address in Mount Prospect, Illinois, and NPI 1164519526, issued on Oct 6, 2006. Check the license (Illinois 036095153, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Leonid Ayzenberg
- Credential
- M.D
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 036095153 IL
Self-reported in NPPES; status is on the state search - Practice location
- 303 E. Rand RD, Mount Prospect, IL 60056
- Phone
- (847) 537-6800
- Enumerated
- Oct 6, 2006
- Record last updated
- Dec 22, 2022
- Fax
- (847) 556-8847
- Medicaid ID
- 036095153 IL
- Medicare enrollment
- Enrolled (PECOS I20090807000361); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1994
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Verify Leonid Ayzenberg 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 036095153Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average ophthalmology physician in 2024
1,890 Medicare Part D claims for 243 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Latanoprost577 claims
- Timolol Maleate223 claims
- Brimonidine Tartrate208 claims
- Dorzolamide-Timolol195 claims
- Prednisolone Acetate106 claims
- Ofloxacin93 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.
The MIPS final score for 2023 (Medicare payment program): 30 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Leonid Ayzenberg among 898 ophthalmology physician records in Illinois
Leonid Ayzenberg, M.D 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1994 · median 1999 among the 551 with a school on file
- 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 Mount Prospect → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Emily Velotta, MDMundelein, IL 600601063672723
- Daniel Ritacca, M.D.Vernon Hills, IL 600611801929799
- Joseph Kappil, M.D.McHenry, IL 600501659423622
- Jung Rhee, MDMcHenry, IL 600501023031770
- Jonathan Rosin, M.D.Northbrook, IL 600621831274687
- William Stiles, M.D.,J.D.Northbrook, IL 600621356455216
- Tamara Wyse, MDNorthbrook, IL 600621881609642
- Scott Brun, MDNorth Chicago, IL 600641679956205
Common questions
What is Leonid Ayzenberg, M.D's NPI number?
Leonid Ayzenberg, M.D's National Provider Identifier (NPI) is 1164519526, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonid Ayzenberg, M.D located?
The NPPES record lists a practice address at 303 E. Rand RD, Mount Prospect, IL, 60056. Phone: (847) 537-6800. Providers update this record themselves, so call before visiting.
How can I verify Leonid Ayzenberg, M.D's license?
NPPES lists Illinois license number 036095153, 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 Leonid Ayzenberg, M.D prescribe under Medicare Part D?
In 2024, Leonid Ayzenberg, M.D had 1,890 Medicare Part D claims for 243 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Leonid Ayzenberg, M.D's MIPS final score?
The 2023 MIPS final score is 30 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.