Leonid Ayzenberg, M.D. Inc
NPI 1235294398 · Ophthalmology Physician · Mt Prospect, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonid Ayzenberg, M.D. Inc is a Ophthalmology Physician organization in Mt Prospect, IL (NPI 1235294398).
Provider details
- NPI number
- 1235294398
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leonid Ayzenberg, President/Owner(847) 537-6800
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- Eye Clinic Leonid Ayzenberg MD Inc
- Other name
- Eye Clinic Leonid Ayzenberg MD Inc
Additional practice locations (1)
- 2922 W Devon AveChicago, IL 60659-1508Phone: (847) 537-6800Fax: (847) 556-8847
Registry dates
- Enumerated
- 2006-12-27
- Last updated
- 2022-04-26
- Certified
- 2022-04-11
Frequently asked questions
- What is Leonid Ayzenberg, M.D. Inc's NPI number?
- Leonid Ayzenberg, M.D. Inc's National Provider Identifier (NPI) is 1235294398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Leonid Ayzenberg, M.D. Inc?
- Leonid Ayzenberg, M.D. Inc is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Leonid Ayzenberg, M.D. Inc located?
- Leonid Ayzenberg, M.D. Inc's practice location on file with NPPES is 303 E. Rand Rd, Mt Prospect, IL 60056-1508.
- What is Leonid Ayzenberg, M.D. Inc's phone number?
- The practice phone number listed in the NPPES registry for Leonid Ayzenberg, M.D. Inc is (847) 537-6800.
- Does Leonid Ayzenberg, M.D. Inc accept Medicare?
- Leonid Ayzenberg, M.D. Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Leonid Ayzenberg, M.D. Inc?
- The authorized official listed on Leonid Ayzenberg, M.D. Inc's NPPES record is Leonid Ayzenberg, President/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Leonid Ayzenberg, M.D. Inc's NPI active?
- Yes — Leonid Ayzenberg, M.D. Inc's NPI (1235294398) is active in the NPPES registry as of the last update on 2022-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.