Dupage Internal Medicine of Illinois LLC
NPI 1669689428 · Internal Medicine Physician · Hinsdale, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dupage Internal Medicine of Illinois LLC is a Internal Medicine Physician organization in Hinsdale, IL (NPI 1669689428).
Provider details
- NPI number
- 1669689428
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Prabhu Shivalingappa, President(630) 323-7833
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
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
- 2007-05-17
- Last updated
- 2019-07-22
Frequently asked questions
- What is Dupage Internal Medicine of Illinois LLC's NPI number?
- Dupage Internal Medicine of Illinois LLC's National Provider Identifier (NPI) is 1669689428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dupage Internal Medicine of Illinois LLC?
- Dupage Internal Medicine of Illinois LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dupage Internal Medicine of Illinois LLC located?
- Dupage Internal Medicine of Illinois LLC's practice location on file with NPPES is 534 Chestnut Dr, Hinsdale, IL 60521-3527.
- What is Dupage Internal Medicine of Illinois LLC's phone number?
- The practice phone number listed in the NPPES registry for Dupage Internal Medicine of Illinois LLC is (630) 323-7833.
- Does Dupage Internal Medicine of Illinois LLC accept Medicare?
- Dupage Internal Medicine of Illinois LLC 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 Dupage Internal Medicine of Illinois LLC?
- The authorized official listed on Dupage Internal Medicine of Illinois LLC's NPPES record is Prabhu Shivalingappa, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dupage Internal Medicine of Illinois LLC's NPI active?
- Yes — Dupage Internal Medicine of Illinois LLC's NPI (1669689428) is active in the NPPES registry as of the last update on 2019-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.