Dr. Margaret Colleran, MD
13403 Boyette Rd, Riverview, FL 33569 • +1-542-555-9431
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Riverview Percentiles
NPI #1457356677 • CBSA Regional • Internal Medicine
Operating out of Riverview, FL (13403 Boyette Rd), Internal Medicine clinician Dr. Margaret Colleran, MD (accredited MD/DO training, 2003) maintains a upper-quartile active clinical volume (85.71th Riverview percentile) (83.53th FL percentile; Z-score +0.00σ across 4,516 documented services) with sub-specialty concentration in 47 Active CMS HCPCS Codes.
Procedural volume for Dr. Colleran is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 1491 annual services, $99–$136 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 862/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 431/yr).
At 13403 Boyette Rd (33569), Dr. Margaret Colleran, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$216.00 per new consult (4.81/5 bedside rating).
Patients evaluating Dr. Margaret Colleran in ZIP 33569 note 23 years of post-doctoral tenure (null, 2003) alongside 9.4 annual CMS procedures per patient.
Compared against Riverview, FL Internal Medicine peers
4,516 annual services across 482 beneficiaries
Standard deviations from FL 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 | 1,491 | 85.71th | $99 – $136 |
| 99213 | Established Preventive & Chronic Care Visit | 862 | 89.71th | $76 – $104 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 431 | 87.71th | $36 – $51 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 331 | 86.71th | $117 – $160 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 199 | 86.71th | $138 – $189 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (47 HCPCS billing breadth) | 1,202 | 85.71th | $90 – $131 |
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Dr. Margaret Colleran, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Colleran National Provider Identifier | NPI #1457356677 (MD) | CMS NPPES Registry (33569) |
| Dr. Colleran Riverview CMS Volume Rank | 85.71th Pct (4,516 CMS svcs; Z +0.001σ) | CMS Medicare Part B (FL Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $216.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Riverview, FL) |
| Waiting-Room Wait Time & Cash Friendliness | $216.00 avg paid • 11 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.81/5 Listening • 4.48/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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