Illinois Medical Associates PC
NPI 1437031416 · Internal Medicine Physician · Orland Park, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Illinois Medical Associates PC is a Internal Medicine Physician organization in Orland Park, IL (NPI 1437031416).
Provider details
- NPI number
- 1437031416
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sundar Sivaprakasam, Medical Director(708) 906-0741
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Psychiatry Physician2084P0800X
Allopathic & Osteopathic Physicians
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
- 2025-07-22
- Last updated
- 2026-04-23
- Certified
- 2026-04-23
Frequently asked questions
- What is Illinois Medical Associates PC's NPI number?
- Illinois Medical Associates PC's National Provider Identifier (NPI) is 1437031416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Illinois Medical Associates PC?
- Illinois Medical Associates PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Illinois Medical Associates PC located?
- Illinois Medical Associates PC's practice location on file with NPPES is 14489 John Humphrey Dr Ste 100, Orland Park, IL 60462-6209.
- What is Illinois Medical Associates PC's phone number?
- The practice phone number listed in the NPPES registry for Illinois Medical Associates PC is (708) 906-0741.
- Does Illinois Medical Associates PC accept Medicare?
- Illinois Medical Associates PC 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 Illinois Medical Associates PC?
- The authorized official listed on Illinois Medical Associates PC's NPPES record is Sundar Sivaprakasam, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Illinois Medical Associates PC's NPI active?
- Yes — Illinois Medical Associates PC's NPI (1437031416) is active in the NPPES registry as of the last update on 2026-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.