Gregory Maliszewski, OD
NPI 1063301836 · Optometrist · Batavia, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Maliszewski, OD is a Optometrist provider in Batavia, IL (NPI 1063301836).
Provider details
- NPI number
- 1063301836
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 046.011974 (IL)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2025-06-28
- Last updated
- 2025-06-28
- Certified
- 2025-06-28
Frequently asked questions
- What is Gregory Maliszewski's NPI number?
- Gregory Maliszewski's National Provider Identifier (NPI) is 1063301836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Maliszewski's specialty?
- Gregory Maliszewski is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Gregory Maliszewski located?
- Gregory Maliszewski's practice location on file with NPPES is 801 N Randall Rd, Batavia, IL 60510-1992.
- What is Gregory Maliszewski's phone number?
- The practice phone number listed in the NPPES registry for Gregory Maliszewski is (708) 289-3169.
- Does Gregory Maliszewski accept Medicare?
- Gregory Maliszewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Maliszewski's NPI active?
- Yes — Gregory Maliszewski's NPI (1063301836) is active in the NPPES registry as of the last update on 2025-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.