Richard Izewski MD Ltd
NPI 1194856211 · Internal Medicine Physician · Schaumburg, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Izewski MD Ltd is a Internal Medicine Physician organization in Schaumburg, IL (NPI 1194856211).
Provider details
- NPI number
- 1194856211
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Richard Izewski, President(847) 301-1377
- License
- 036085452 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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
Additional practice locations (2)
- 800 Biesterfield Rd Ste 3007Elk Grove Village, IL 60007-3371Phone: (847) 301-1377Fax: (847) 301-1378
- 1744 W Wise RdSchaumburg, IL 60193-3524Phone: (847) 301-1377Fax: (847) 301-1378
Registry dates
- Enumerated
- 2007-03-08
- Last updated
- 2020-10-22
- Certified
- 2020-10-22
Frequently asked questions
- What is Richard Izewski MD Ltd's NPI number?
- Richard Izewski MD Ltd's National Provider Identifier (NPI) is 1194856211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Richard Izewski MD Ltd?
- Richard Izewski MD Ltd is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Izewski MD Ltd located?
- Richard Izewski MD Ltd's practice location on file with NPPES is 1094 S Roselle Rd, Schaumburg, IL 60193-3961.
- What is Richard Izewski MD Ltd's phone number?
- The practice phone number listed in the NPPES registry for Richard Izewski MD Ltd is (847) 301-1377.
- Does Richard Izewski MD Ltd accept Medicare?
- Richard Izewski MD 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 Richard Izewski MD Ltd?
- The authorized official listed on Richard Izewski MD Ltd's NPPES record is Richard Izewski, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Richard Izewski MD Ltd's NPI active?
- Yes — Richard Izewski MD Ltd's NPI (1194856211) is active in the NPPES registry as of the last update on 2020-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.