Doctor profile · Federal record

Dr. Diane Fabrizius, MD

Internal Medicine Physician · Internal Medicine Physician · Elmhurst, IL

  • NPI 1104922285
  • MIPS 91.4 / 100 · 2023
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
172 E Schiller St
Elmhurst, IL 60126
(331) 221-0000
fax (331) 221-2312

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
March 6, 2019
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Illinois #036075602 · Illinois #36-075602
Medicaid
IL #36-075602

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104922285. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
172
Distinct HCPCS
4
Medicare allowed
$22,431
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 99 92 $132
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 39 39 $136
99215 Established patient office or other outpatient visit, 40-54 minutes 20 20 $189
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 14 14 $15

In context: peer comparison

Among 19 peers in this city , average services per provider: 100. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,466
Patients
584
Total drug cost
$20,451
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 248 104 $2,980
Levothyroxine Sodium Generic 231 85 $3,720
Amlodipine Besylate Generic 216 82 $2,298
Metoprolol Succinate Generic 78 32 $1,543
Losartan Potassium Generic 75 31 $1,092
Lisinopril Generic 71 33 $825
Triamterene-Hydrochlorothiazid (Triamterene/Hydrochlorothiazid) Brand 70 31 $1,118
Pantoprazole Sodium Generic 69 29 $1,607
Simvastatin Generic 64 25 $748
Escitalopram Oxalate Generic 61 17 $1,322

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Fabrizius's medical specialty?
Dr. Diane Fabrizius practices Internal Medicine Physician in Elmhurst, IL.
Where does Dr. Diane Fabrizius practice?
Dr. Diane Fabrizius practices at 172 E Schiller St, Elmhurst, IL 60126. Office phone: 3312210000.
What is Dr. Diane Fabrizius's NPI?
Dr. Diane Fabrizius's National Provider Identifier (NPI) is 1104922285, issued by NPPES.
What procedures does Dr. Diane Fabrizius commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.