Dr. Tammy O'brien, MD
500 8th Ave Se, Cedar Rapids, IA 52401 • +1-792-555-2865
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Cedar Rapids Percentiles
NPI #1184703571 • CBSA Regional • Family Practice
Anchored in Cedar Rapids, IA 52401, Dr. Tammy O'brien, MD (NPI 1184703571) logged 1,745 annual procedures (mid-cohort balanced caseload (45.45th Cedar Rapids percentile), 41.09th IA percentile, -0.38σ) with sub-specialty concentration in 32 Active CMS HCPCS Codes.
Procedural volume for Dr. O'brien is led by HCPCS 99214 (Comprehensive Primary Care & Chronic Protocol Management — 248 annual services, $65–$89 GPCI cash estimate), followed by CPT 99213 (Focused Acute & Preventive Primary Care Evaluation, 183/yr) and CPT G0439 (Annual Wellness Biomarker & Preventive Screening Visit, 71/yr).
At 500 8th Ave Se (52401), Dr. Tammy O'brien, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$209.00 per new consult (4.89/5 bedside rating).
Credentialed as an MD specialist with 31 years post-graduation experience since completing medical school at an LCME/COCA institution (1995), Dr. O'brien coordinates 32 Active CMS HCPCS Codes workups from 500 8th Ave Se (+1-792-555-2865).
Compared against Cedar Rapids, IA Family Practice peers
1,745 annual services across 149 beneficiaries
Standard deviations from IA Family Practice mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Comprehensive Primary Care & Chronic Protocol Management | 248 | 45.45th | $65 – $89 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 183 | 42.45th | $50 – $68 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 71 | 43.45th | $75 – $103 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 53 | 44.45th | $25 – $40 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 35 | 48.45th | $90 – $123 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (32 HCPCS billing breadth) | 1,155 | 45.45th | $59 – $86 |
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Dr. Tammy O'brien, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. O'brien National Provider Identifier | NPI #1184703571 (MD) | CMS NPPES Registry (52401) |
| Dr. O'brien Cedar Rapids CMS Volume Rank | 45.45th Pct (1,745 CMS svcs; Z -0.375σ) | CMS Medicare Part B (IA Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Cedar Rapids, IA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 16 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.89/5 Listening • 4.56/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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