Dr. Marshall Katz, MD
133 Brookline Ave, Harvard Vanguard Medical Associates, Boston, MA 02215 • +1-399-555-9453
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Boston Percentiles
NPI #1124024013 • CBSA 14460 • Cardiology
Statistical peer benchmarking across MA Cardiology providers positions Dr. Marshall Katz, MD in Boston at +0.38σ (99.46th city percentile / 97.49th state percentile, 2,122 Medicare beneficiaries), with clinical focus spanning 109 Active CMS HCPCS Codes.
Dr. Katz's longitudinal care intensity (4.0 billed units per patient across 2122 individuals) centers on 99214 (3133 annual units) and 93000 ($34–$49 cash range).
Direct cash-pay transparency modeling sets Dr. Katz's baseline new-consult rate near $227.00 in Boston, MA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 20-minute average reception wait).
Spanning 33 years of clinical practice following 1993 graduation from medical training, Dr. Marshall Katz integrates 109 Active CMS HCPCS Codes diagnostics for Boston metro patients.
Top 10% Cardiology volume leader in Boston, MA
8,385 annual services across 2,122 beneficiaries
Standard deviations from MA 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 | 3,133 | 99.46th | $86 – $118 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 2,309 | 94.46th | $34 – $49 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 1,484 | 99.5th | $161 – $220 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 825 | 99.5th | $101 – $138 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 495 | 98.46th | $123 – $169 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (109 HCPCS billing breadth) | 140 | 99.46th | $78 – $113 |
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Dr. Marshall Katz, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Katz National Provider Identifier | NPI #1124024013 (MD) | CMS NPPES Registry (02215) |
| Dr. Katz Boston CMS Volume Rank | 99.46th Pct (8,385 CMS svcs; Z +0.383σ) | CMS Medicare Part B (MA Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $227.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Boston, MA) |
| Waiting-Room Wait Time & Cash Friendliness | $227.00 avg paid • 20 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.94/5 Listening • 4.80/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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