OrganizationActive
Lake County Internal Medicine Association LLC
NPI 1265833958 · Legal Medicine · Long Grove, IL
Lake County Internal Medicine Association LLC is a Legal Medicine organization in Long Grove, IL (NPI 1265833958).
Provider details
- NPI number
- 1265833958
- Entity type
- Organization
- Primary specialty
- Legal MedicineOther Service Providers
- Organization subpart
- No
- Authorized official
- Mariusz Milejczyk, M.D.(847) 596-7426
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
5911 Kildeer Ct
Long Grove, IL 60047-5052
Phone: (847) 672-8373
Fax: (815) 464-9285
Street-level locationGet directions
Mailing address
5911 Kildeer Ct
Long Grove, IL 60047-5052
Registry dates
- Enumerated
- 2014-09-12
- Last updated
- 2014-09-12
Frequently asked questions
- What is Lake County Internal Medicine Association LLC's NPI number?
- Lake County Internal Medicine Association LLC's National Provider Identifier (NPI) is 1265833958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lake County Internal Medicine Association LLC?
- Lake County Internal Medicine Association LLC is classified in the NPPES registry as Legal Medicine (Other Service Providers).
- Where is Lake County Internal Medicine Association LLC located?
- Lake County Internal Medicine Association LLC's practice location on file with NPPES is 5911 Kildeer Ct, Long Grove, IL 60047-5052.
- What is Lake County Internal Medicine Association LLC's phone number?
- The practice phone number listed in the NPPES registry for Lake County Internal Medicine Association LLC is (847) 672-8373.
- Who is the authorized official for Lake County Internal Medicine Association LLC?
- The authorized official listed on Lake County Internal Medicine Association LLC's NPPES record is Mariusz Milejczyk, M.D.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lake County Internal Medicine Association LLC's NPI active?
- Yes — Lake County Internal Medicine Association LLC's NPI (1265833958) is active in the NPPES registry as of the last update on 2014-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.