Dr. Terrence Brennan, MD
27472 Schoenherr Rd Ste 100, Warren, MI 48088 • +1-749-555-8597
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Warren Percentiles
NPI #1366418667 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across MI Internal Medicine providers positions Dr. Terrence Brennan, MD in Warren at -0.18σ (33.33th city percentile / 42.39th state percentile, 202 Medicare beneficiaries), with clinical focus spanning 28 Active CMS HCPCS Codes.
Procedural volume for Dr. Brennan is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 488 annual services, $111–$152 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 282/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 141/yr).
Direct cash-pay transparency modeling sets Dr. Brennan's baseline new-consult rate near $209.00 in Warren, MI (cash-pay accepted, hybrid in-clinic and telehealth video consults, 9-minute average reception wait).
NPI registry verification (#1366418667) confirms Dr. Terrence Brennan's MD standing serving CBSA 48088 with a 4.52/5 patient scorecard.
Compared against Warren, MI Internal Medicine peers
1,110 annual services across 202 beneficiaries
Standard deviations from MI Internal Medicine mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 488 | 33.33th | $111 – $152 |
| 99213 | Established Preventive & Chronic Care Visit | 282 | 34.33th | $85 – $117 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 141 | 29.33th | $41 – $56 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 109 | 30.33th | $131 – $179 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 65 | 32.33th | $155 – $212 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (28 HCPCS billing breadth) | 25 | 33.33th | $100 – $145 |
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Dr. Terrence Brennan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Brennan National Provider Identifier | NPI #1366418667 (MD) | CMS NPPES Registry (48088) |
| Dr. Brennan Warren CMS Volume Rank | 33.33th Pct (1,110 CMS svcs; Z -0.177σ) | CMS Medicare Part B (MI Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Warren, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 9 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.72/5 Listening • 4.70/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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