Diane L Ozog, Mdsc
NPI 1245374875 · Allergy & Immunology Physician · Naperville, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane L Ozog, Mdsc is a Allergy & Immunology Physician organization in Naperville, IL (NPI 1245374875).
Provider details
- NPI number
- 1245374875
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Diane Ozog, President(630) 652-0606
- License
- 042006736 (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
2 documented practice locations
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
Additional practice locations (1)
- 1331 W 75th St Ste 303Naperville, IL 60540-9311Phone: (630) 652-0606Fax: (630) 652-9900
Registry dates
- Enumerated
- 2007-02-16
- Last updated
- 2018-10-30
Frequently asked questions
- What is Diane L Ozog, Mdsc's NPI number?
- Diane L Ozog, Mdsc's National Provider Identifier (NPI) is 1245374875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Diane L Ozog, Mdsc?
- Diane L Ozog, Mdsc is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Diane L Ozog, Mdsc located?
- Diane L Ozog, Mdsc's practice location on file with NPPES is 1331 W 75th St Ste 303, Naperville, IL 60540-9311.
- What is Diane L Ozog, Mdsc's phone number?
- The practice phone number listed in the NPPES registry for Diane L Ozog, Mdsc is (630) 652-0606.
- Does Diane L Ozog, Mdsc accept Medicare?
- Diane L Ozog, Mdsc 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 Diane L Ozog, Mdsc?
- The authorized official listed on Diane L Ozog, Mdsc's NPPES record is Diane Ozog, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Diane L Ozog, Mdsc's NPI active?
- Yes — Diane L Ozog, Mdsc's NPI (1245374875) is active in the NPPES registry as of the last update on 2018-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.