LEONID AYZENBERG (M.D) – Optometrist, NPI 1164519526
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
958 OPHTHALMOLOGY in IL
Provider Addresses for LEONID AYZENBERG (M.D)
303 E. RAND RD
MOUNT PROSPECT, IL 600561508
Phone: (847) 537-6800
Fax: (847) 556-8847
Type: Mailing
2922, West Devon Avenue, Little India, West Ridge, Chicago, Rogers Park Township, Cook County, Illinois, 60659, United States
CHICAGO, IL 606591508
Phone: (773) 283-7700
Type: Mailing
2922 W Devon Ave
Chicago, IL 606591508
Phone: (773) 283-7700
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-08-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090807000361 | I | Ophthalmology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 584 | 373 | $0 |
| 92250 | Photography of the retina | 452 | 363 | $0 |
| 92020 | Exam of the internal drainage system of eye | 189 | 144 | $0 |
| 68761 | Closure of tear duct opening using plug | 122 | 69 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 117 | 117 | $0 |
Insurance plans in this area (ZIP 60056)
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