Dr. Diane L. Ozog, MD
- Medicare services, 2024
- 2,585
- Medicare patients, 2024
- 163
- Part D claims, 2024
- 788
- Hospital affiliations
- 1
- Industry payments
- $22,317
- Practice address
- 1331 W 75th St, Naperville, IL 60540
- Practice phone
- Call (630) 652-0606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Diane L Ozog, MDSC
Naperville, Illinois
Find Dr. Ozog's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Diane L. Ozog is an allergist and immunologist in Naperville, Illinois
Dr. Ozog practices at Diane L Ozog, MDSC in Naperville, Illinois.
Dr. Ozog's NPI, 1972647154, was assigned on February 19, 2007. Dr. Ozog graduated from Chicago College of Medicine and Surgery in 1982. Dr. Ozog holds Illinois license 036067853.
- NPI
- 1972647154NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143267484
- NPI enumeration date
- February 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 652-0606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diane L. Ozog practices at Diane L Ozog, MDSC in Naperville, Illinois
Dr. Ozog's primary practice is Diane L Ozog, MDSC, at 1331 W 75th St, Naperville, IL 60540 in Dupage County. The practice phone is (630) 652-0606.
- Diane L Ozog, MDSC1331 W 75th St, Naperville, IL 60540 · Dupage CountyPhone(630) 652-0606
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Diane L. Ozog is affiliated with 3 sites of care and 1 medical group
Dr. Ozog's primary practice is Diane L Ozog, MDSC in Naperville, Illinois. Dr. Ozog is also affiliated with Edward Hospital. The medical group on file is Diane Ozog & Associates. Dmand AI also links Dr. Ozog to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Diane L. Ozog's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ozog practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Diane L Ozog, MDSC | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Diane L. Ozog is one of 145 allergists and immunologists in Illinois
Allergy and immunology is Dr. Ozog's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Ozog is licensed in Illinois.
Specialties and state licenses
- Allergy and immunology, IllinoisPrimary
Allergists and immunologists near Dr. Ozog
Counts of allergists and immunologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Diane L. Ozog billed Medicare for 2,585 services in 2024
CMS data shows 2,585 Medicare services from Dr. Ozog across 8 procedure codes in 2024, for 163 Medicare patients. Medicare paid $46,069 for them. Every service was in an office.
Dr. Ozog's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,2842024: 2,30379%
- Office and hospital visits
- 2023: 2882024: 2822%
Dr. Ozog compared with the Illinois median for allergists and immunologists, 2024
- Dr. Ozog
- Illinois median
- Medicare services
- 2,585vs 9052.9 times
- Medicare patients
- 163vs 11641% above
- Part D claims
- 656vs 2462.7 times
Medians across 130 allergists and immunologists in Illinois with Dmand AI profiles that report each measure.
Dr. Ozog's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ozog?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ozog and other allergists and immunologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diane L. Ozog treated 163 Medicare patients in 2024, average age 73
CMS counts 163 Medicare patients who saw Dr. Ozog in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ozog's median patient age at 29, with 61% women.
Dr. Ozog's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ozog's Medicare patients by sex, 2024
- Women11872%
- Men4528%
Chronic conditions among Dr. Ozog's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Asthma69%
- Arthritis51%
- Anxiety26%
- Ischemic heart disease26%
- Mood disorders26%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ozog's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 29
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diane L. Ozog wrote 788 Medicare Part D claims in 2024
In 2024, Dr. Ozog wrote 788 Medicare Part D claims for 162 patients. 58% of them were for generic drugs. CMS names the drug for 656 of them, across 16 drugs with 11 or more claims each, at $145,155 in total drug cost. In 2023, CMS named 696 claims across 17 drugs.
Dr. Ozog's Part D claims by kind of drug, 2024
- Generic454 claims58%
- Brand-name334 claims42%
Dr. Ozog's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ozog's Part D claims, 2024
- Antibiotics4%29 of 788 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6962024: 6566%
Drugs named by CMS: 16 in 2024, 17 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Diane L. Ozog takes part in Medicare
Dr. Ozog accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Diane L. Ozog received $22,317 in industry payments from 2016 to 2025
CMS Open Payments shows 77 general payments to Dr. Ozog from 14 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 50% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $13,236.
General payments to Dr. Ozog by program year, 2016 to 2025
General payments to Dr. Ozog by kind, 2016 to 2025
- Speaker and faculty fees$11,05050%
- Food and beverage$5,73526%
- Consulting fees$3,08814%
- Travel and lodging$2,34411%
- Education$1000%
Companies that paid Dr. Ozog the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diane L. Ozog graduated from Chicago College of Medicine and Surgery
Dr. Ozog graduated from Chicago College of Medicine and Surgery in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diane L. Ozog's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Diane L. Ozog
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Diane L. Ozog's NPI number?
Dr. Diane L. Ozog's NPI number is 1972647154. It was assigned on February 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Diane L. Ozog?
Dr. Diane L. Ozog is an allergist and immunologist in Naperville, Illinois. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Diane L. Ozog practice?
Dr. Ozog practices at 1331 W 75th St, Naperville, IL 60540. Dr. Ozog's primary practice is Diane L Ozog, MDSC in Naperville, Illinois. Dmand AI also links Dr. Ozog to 1 group practice or clinic.
What is Dr. Diane L. Ozog's office phone number?
The practice phone on file for Dr. Ozog is (630) 652-0606.
What is Dr. Diane L. Ozog's medical license number?
Dr. Ozog holds Illinois license 036067853.
Which hospitals is Dr. Diane L. Ozog affiliated with?
Dr. Ozog is affiliated with Edward Hospital.
What medical group is Dr. Diane L. Ozog part of?
Dr. Ozog is linked to Diane Ozog & Associates.
Does Dr. Diane L. Ozog accept Medicare?
Yes. CMS data shows Dr. Ozog billed Medicare for 2,585 services in 2024, and Dr. Ozog accepts Medicare assignment.
How many Medicare patients does Dr. Diane L. Ozog see?
CMS counts 163 Medicare patients who saw Dr. Ozog in 2024, with an average age of 73.
What services does Dr. Diane L. Ozog bill to Medicare?
In 2024, Dr. Ozog's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95165) and allergy test or treatment (95117).
Show 4 more questionsShow fewer questions
Where did Dr. Diane L. Ozog go to medical school?
Dr. Ozog graduated from Chicago College of Medicine and Surgery in 1982.
What drugs does Dr. Diane L. Ozog prescribe most?
In 2024 Medicare Part D data, Dr. Ozog's most prescribed drugs by claims were Montelukast Sodium, Breo Ellipta and Levocetirizine Dihydrochloride.
Has Dr. Diane L. Ozog received payments from drug or device companies?
CMS Open Payments shows $22,317 in general payments to Dr. Ozog from 14 companies from 2016 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Diane L. Ozog been practicing?
Dr. Ozog graduated from medical school in 1982, 44 years ago.
Selling to allergy and immunology practices?
See allergists and immunologists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card