Diabetes and Internal Medicine of Illinois,inc
NPI 1962641274 · Internal Medicine Physician · Melrose Park, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diabetes and Internal Medicine of Illinois,inc is a Internal Medicine Physician organization in Melrose Park, IL (NPI 1962641274).
Provider details
- NPI number
- 1962641274
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Howard Einhorn, President(708) 450-5745
- License
- 036056302 (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
17 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
- 2009-02-10
- Last updated
- 2009-03-11
Frequently asked questions
- What is Diabetes and Internal Medicine of Illinois,inc's NPI number?
- Diabetes and Internal Medicine of Illinois,inc's National Provider Identifier (NPI) is 1962641274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Diabetes and Internal Medicine of Illinois,inc?
- Diabetes and Internal Medicine of Illinois,inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diabetes and Internal Medicine of Illinois,inc located?
- Diabetes and Internal Medicine of Illinois,inc's practice location on file with NPPES is 675 W North Ave, Melrose Park, IL 60160-1634.
- What is Diabetes and Internal Medicine of Illinois,inc's phone number?
- The practice phone number listed in the NPPES registry for Diabetes and Internal Medicine of Illinois,inc is (708) 450-5745.
- Does Diabetes and Internal Medicine of Illinois,inc accept Medicare?
- Diabetes and Internal Medicine of Illinois,inc 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 Diabetes and Internal Medicine of Illinois,inc?
- The authorized official listed on Diabetes and Internal Medicine of Illinois,inc's NPPES record is Howard Einhorn, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Diabetes and Internal Medicine of Illinois,inc's NPI active?
- Yes — Diabetes and Internal Medicine of Illinois,inc's NPI (1962641274) is active in the NPPES registry as of the last update on 2009-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.