Dr. Robert Marshall, MD
5530 Wisconsin Ave Ste 700, Chevy Chase, MD 20815 • +1-595-555-7348
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & Chevy Chase Percentiles
NPI #1053365189 • CBSA Regional • Cardiology
Dr. Robert Marshall, MD (NPI #1053365189) practices Cardiology in Chevy Chase, MD (20815) with sub-specialty concentration in 71 Active CMS HCPCS Codes, recording 4,445 annual CMS services across 1,287 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (54.55th Chevy Chase percentile) (-0.06σ vs MD state mean, 55.23th statewide percentile).
Granular CPT/HCPCS billing distribution at 5530 Wisconsin Ave Ste 700 shows Dr. Robert Marshall's primary concentration in Established Cardiology Consultation & Hemodynamic Review (code 99214: 1625x/yr, 54.55th local percentile) alongside 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation (93000: 1198x/yr, $72–$98).
At 5530 Wisconsin Ave Ste 700 (20815), Dr. Robert Marshall, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.55/5 bedside rating).
Credentialed as an MD specialist with 15 years post-graduation experience since completing medical school at an LCME/COCA institution (2011), Dr. Marshall coordinates 71 Active CMS HCPCS Codes workups from 5530 Wisconsin Ave Ste 700 (+1-595-555-7348).
Compared against Chevy Chase, MD Cardiology peers
4,445 annual services across 1,287 beneficiaries
Standard deviations from MD Cardiology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Cardiology Consultation & Hemodynamic Review | 1,625 | 54.55th | $183 – $251 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 1,198 | 54.55th | $72 – $98 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 770 | 50.55th | $343 – $470 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 428 | 59.55th | $215 – $295 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 257 | 59.55th | $263 – $360 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (71 HCPCS billing breadth) | 168 | 54.55th | $165 – $239 |
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Dr. Robert Marshall, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marshall National Provider Identifier | NPI #1053365189 (MD) | CMS NPPES Registry (20815) |
| Dr. Marshall Chevy Chase CMS Volume Rank | 54.55th Pct (4,445 CMS svcs; Z -0.058σ) | CMS Medicare Part B (MD Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chevy Chase, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 16 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.73/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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