Diane Altkorn
NPI 1174684906 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Altkorn is a Internal Medicine Physician provider in Chicago, IL (NPI 1174684906).
Provider details
- NPI number
- 1174684906
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 036067161 (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
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
- 2006-12-13
- Last updated
- 2022-05-19
Frequently asked questions
- What is Diane Altkorn's NPI number?
- Diane Altkorn's National Provider Identifier (NPI) is 1174684906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Altkorn's specialty?
- Diane Altkorn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Altkorn located?
- Diane Altkorn's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Diane Altkorn's phone number?
- The practice phone number listed in the NPPES registry for Diane Altkorn is (888) 824-0200.
- Does Diane Altkorn accept Medicare?
- Diane Altkorn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Altkorn's NPI active?
- Yes — Diane Altkorn's NPI (1174684906) is active in the NPPES registry as of the last update on 2022-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.