Doctor profile · Federal record

Dr. Timothy Bresnahan, MD

Internal Medicine Physician · Internal Medicine Physician · Elmhurst, IL

  • NPI 1265538433
  • MIPS 91.4 / 100 · 2023
  • 20 yrs on file
  • Male
  • 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 #036053548 · Illinois #36-053548
Medicaid
IL #36-053548

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265538433. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,073
Distinct HCPCS
9
Medicare allowed
$111,799
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 562 226 $135
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 175 175 $136
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 138 130 $15
G0008 Administration of influenza virus vaccine 45 45 $30
90662 Influenza vaccine split virus, preservative free 43 43 $72
82272 Stool analysis for blood, by peroxidase activity 34 34 $4
82270 Stool analysis for blood to screen for colon tumors 33 33 $4
99215 Established patient office or other outpatient visit, 40-54 minutes 22 20 $189
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 21 16 $55

In context: peer comparison

Among 19 peers in Elmhurst Internal Medicine Physician, average services per provider: 100. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,404
Patients
719
Total drug cost
$35,319
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 491 139 $6,694
Lisinopril Generic 259 73 $2,886
Amlodipine Besylate Generic 258 77 $2,830
Metoprolol Succinate Generic 230 73 $5,520
Levothyroxine Sodium Generic 223 54 $3,431
Triamterene-Hydrochlorothiazid (Triamterene/Hydrochlorothiazid) Brand 157 40 $2,504
Metformin Hcl Generic 115 35 $1,896
Simvastatin Generic 108 32 $1,342
Furosemide Generic 101 38 $516
Losartan Potassium Generic 100 28 $1,225

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Bresnahan's medical specialty?
Dr. Timothy Bresnahan practices Internal Medicine Physician in Elmhurst, IL.
Where does Dr. Timothy Bresnahan practice?
Dr. Timothy Bresnahan practices at 172 E Schiller St, Elmhurst, IL 60126. Office phone: 3312210000.
What is Dr. Timothy Bresnahan's NPI?
Dr. Timothy Bresnahan's National Provider Identifier (NPI) is 1265538433, issued by NPPES.
What procedures does Dr. Timothy Bresnahan 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); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.