Medical Associates of Illinois Sc
NPI 1164868618 · Internal Medicine Physician · Elmwood Park, IL
Medical Associates of Illinois Sc is a Internal Medicine Physician organization in Elmwood Park, IL (NPI 1164868618).
Provider details
- NPI number
- 1164868618
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Frederick Tiesenga, President(708) 452-2800
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
13 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
- 2013-05-10
- Last updated
- 2014-02-06
Frequently asked questions
- What is Medical Associates of Illinois Sc's NPI number?
- Medical Associates of Illinois Sc's National Provider Identifier (NPI) is 1164868618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Medical Associates of Illinois Sc?
- Medical Associates of Illinois Sc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Medical Associates of Illinois Sc located?
- Medical Associates of Illinois Sc's practice location on file with NPPES is 1950 N Harlem Ave, Elmwood Park, IL 60707-3717.
- What is Medical Associates of Illinois Sc's phone number?
- The practice phone number listed in the NPPES registry for Medical Associates of Illinois Sc is (708) 452-2800.
- Who is the authorized official for Medical Associates of Illinois Sc?
- The authorized official listed on Medical Associates of Illinois Sc's NPPES record is Frederick Tiesenga, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Medical Associates of Illinois Sc's NPI active?
- Yes — Medical Associates of Illinois Sc's NPI (1164868618) is active in the NPPES registry as of the last update on 2014-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.