Wojciech Grzeskowiak M.D. Ltd
NPI 1558668863 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wojciech Grzeskowiak M.D. Ltd is a Family Medicine Physician organization in Chicago, IL (NPI 1558668863).
Provider details
- NPI number
- 1558668863
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Wojciech Grzeskowiak, Director(773) 631-0377
- License
- 036082984 (IL)
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
15 yrs in NPPES 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
- 2011-02-23
- Last updated
- 2011-02-23
Frequently asked questions
- What is Wojciech Grzeskowiak M.D. Ltd's NPI number?
- Wojciech Grzeskowiak M.D. Ltd's National Provider Identifier (NPI) is 1558668863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Wojciech Grzeskowiak M.D. Ltd?
- Wojciech Grzeskowiak M.D. Ltd is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wojciech Grzeskowiak M.D. Ltd located?
- Wojciech Grzeskowiak M.D. Ltd's practice location on file with NPPES is 5370 N Milwaukee Ave, Chicago, IL 60630-1250.
- What is Wojciech Grzeskowiak M.D. Ltd's phone number?
- The practice phone number listed in the NPPES registry for Wojciech Grzeskowiak M.D. Ltd is (773) 631-0377.
- Does Wojciech Grzeskowiak M.D. Ltd accept Medicare?
- Wojciech Grzeskowiak M.D. Ltd 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 Wojciech Grzeskowiak M.D. Ltd?
- The authorized official listed on Wojciech Grzeskowiak M.D. Ltd's NPPES record is Wojciech Grzeskowiak, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Wojciech Grzeskowiak M.D. Ltd's NPI active?
- Yes — Wojciech Grzeskowiak M.D. Ltd's NPI (1558668863) is active in the NPPES registry as of the last update on 2011-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.