Dr. Diane D. Fabrizius, MD
- Medicare services, 2023
- 172
- Part D claims, 2024
- 82
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 172 E Schiller St, Elmhurst, IL 60126
- Practice phone
- Call (331) 221-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Elmhurst Clinic - Elmhurst (E Schiller St)
Primary care practice · Elmhurst, Illinois
Find Dr. Fabrizius' professional email, personal email and mobile number
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Dr. Diane D. Fabrizius is an internist in Elmhurst, Illinois
Dr. Fabrizius practices at Elmhurst Clinic - Elmhurst (E Schiller St) in Elmhurst, Illinois.
Dr. Fabrizius' NPI, 1104922285, was assigned on September 15, 2006. Dr. Fabrizius graduated from University of Illinois College of Medicine - Chicago in 1984. Dr. Fabrizius holds Illinois license 036075602.
- NPI
- 1104922285NPI Registry (opens in a new tab)
- NPI enumeration date
- September 15, 2006
- NPI status
- Active
- Practice phone
- (331) 221-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diane D. Fabrizius practices at 2 locations in Elmhurst, Illinois
Dr. Fabrizius' primary practice is Elmhurst Clinic - Elmhurst (E Schiller St), at 172 E Schiller St, Elmhurst, IL 60126. The practice phone is (331) 221-0000. The NPI Registry lists Dr. Fabrizius' practice address as 155 E Brush Hill Rd, Elmhurst, IL 60126.
- Elmhurst Clinic - Elmhurst (E Schiller St)Primary172 E Schiller St, Elmhurst, IL 60126Phone(331) 221-0000
- NPI Registry address155 E Brush Hill Rd, Elmhurst, IL 60126 · Dupage CountyPhone(331) 221-0000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Diane D. Fabrizius is affiliated with 1 site of care and 1 medical group
Dr. Fabrizius' primary practice is Elmhurst Clinic - Elmhurst (E Schiller St) in Elmhurst, Illinois. The medical group on file is Elmhurst Hospital.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Diane D. Fabrizius' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fabrizius practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Elmhurst Clinic - Elmhurst (E Schiller St) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diane D. Fabrizius is one of 5,652 internists in Illinois
Internal medicine is Dr. Fabrizius' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fabrizius is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Fabrizius' licenses on file in 2 states: Illinois and Wisconsin.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
- Wisconsin license
Clinical focus
Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, alzheimer's disease, arthritis, asthma, atrial fibrillation and flutter and chronic anemia among the conditions Dr. Fabrizius treats.
Internists near Dr. Fabrizius
Counts of internists 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 D. Fabrizius billed Medicare for 172 services in 2023
CMS data shows 172 Medicare services from Dr. Fabrizius across 4 procedure codes in 2023. Medicare paid $12,490 for them. Every service was in an office.
Dr. Fabrizius' Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 7632023: 11984%
- Other services
- 2022: 3812023: 3990%
- Tests and treatments
- 2022: 1762023: 1492%
- Surgery
- 2022: 172023: 0100%
Dr. Fabrizius compared with the Illinois median for internists, 2023
- Dr. Fabrizius
- Illinois median
- Medicare services
- 172vs 56670% below
- Part D claims
- 2,316vs 2848.2 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Fabrizius' most billed Medicare procedure codes, 2023
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. Fabrizius?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fabrizius and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diane D. Fabrizius' patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Fabrizius' median patient age at 72, with 81% women.
Dr. Fabrizius' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women81%
- Men18%
Source: Dmand AI Patient Panel Data
Dr. Diane D. Fabrizius wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Fabrizius wrote 82 Medicare Part D claims for 39 patients. 88% of them were for generic drugs. They cover 52 drugs, with $108,402 in total drug cost. In 2022, CMS named 4,425 claims across 82 drugs.
Dr. Fabrizius' Part D claims by kind of drug, 2024
- Generic72 claims88%
- Brand-name and other10 claims12%
Dr. Fabrizius' most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 4,4252023: 2,31648%
Drugs named by CMS: 52 in 2023, 82 in 2022.
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
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Dr. Diane D. Fabrizius has 1 award and honors on record
Dmand AI lists 1 award for Dr. Fabrizius, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Fabrizius
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Diane D. Fabrizius graduated from University of Illinois College of Medicine - Chicago
Dr. Fabrizius graduated from University of Illinois College of Medicine - Chicago in 1984.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Diane D. Fabrizius'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 D. Fabrizius
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 D. Fabrizius' NPI number?
Dr. Diane D. Fabrizius' NPI number is 1104922285. It was assigned on September 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diane D. Fabrizius?
Dr. Diane D. Fabrizius is an internist in Elmhurst, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Diane D. Fabrizius practice?
Dr. Fabrizius practices at 172 E Schiller St, Elmhurst, IL 60126. Dr. Fabrizius also practices at 155 E Brush Hill Rd, Elmhurst, IL 60126. Dr. Fabrizius' primary practice is Elmhurst Clinic - Elmhurst (E Schiller St) in Elmhurst, Illinois.
What is Dr. Diane D. Fabrizius' office phone number?
The practice phone on file for Dr. Fabrizius is (331) 221-0000.
What is Dr. Diane D. Fabrizius' medical license number?
Dr. Fabrizius holds Illinois license 036075602, one of the licenses on file in 2 states.
Which states has Dr. Diane D. Fabrizius been licensed in?
Dmand AI has state licenses on file for Dr. Fabrizius in Illinois (1987 to 2026) and Wisconsin (1985 to 1989).
What medical group is Dr. Diane D. Fabrizius part of?
Dr. Fabrizius is linked to Elmhurst Hospital.
Does Dr. Diane D. Fabrizius accept Medicare?
Yes. CMS data shows Dr. Fabrizius billed Medicare for 172 services in 2023.
Is Dr. Diane D. Fabrizius board certified?
Yes. Dr. Fabrizius is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Diane D. Fabrizius bill to Medicare?
In 2023, Dr. Fabrizius' most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99215).
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Where did Dr. Diane D. Fabrizius go to medical school?
Dr. Fabrizius graduated from University of Illinois College of Medicine - Chicago in 1984.
What drugs does Dr. Diane D. Fabrizius prescribe most?
In 2023 Medicare Part D data, Dr. Fabrizius' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
How long has Dr. Diane D. Fabrizius been practicing?
Dr. Fabrizius graduated from medical school in 1984, 42 years ago.
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