Dr. Zacharia Isaac, MD
125 Nashua St, Boston, MA 02114 • +1-711-555-9331
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Boston Percentiles
NPI #1760460828 • CBSA 14460 • Physical Medicine and Rehabilitation
Statistical peer benchmarking across MA Physical Medicine and Rehabilitation providers positions Dr. Zacharia Isaac, MD in Boston at -0.25σ (83.33th city percentile / 67.13th state percentile, 917 Medicare beneficiaries), with clinical focus spanning 26 Active CMS HCPCS Codes.
Dr. Isaac's longitudinal care intensity (2.8 billed units per patient across 917 individuals) centers on 99214 (1169 annual units) and 99213 ($140–$191 cash range).
At 125 Nashua St (02114), Dr. Zacharia Isaac, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$227.00 per new consult (4.58/5 bedside rating).
From 125 Nashua St in Boston (+1-711-555-9331), Dr. Isaac, MD (10-year clinical track record) delivers 26 Active CMS HCPCS Codes care.
Compared against Boston, MA Physical Medicine and Rehabilitation peers
2,597 annual services across 917 beneficiaries
Standard deviations from MA Physical Medicine and Rehabilitation 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 | 1,169 | 83.33th | $182 – $250 |
| 99213 | Established Preventive & Chronic Care Visit | 675 | 82.33th | $140 – $191 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 338 | 85.33th | $67 – $91 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 260 | 79.33th | $214 – $293 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 156 | 88.33th | $254 – $348 |
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Dr. Zacharia Isaac, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Isaac National Provider Identifier | NPI #1760460828 (MD) | CMS NPPES Registry (02114) |
| Dr. Isaac Boston CMS Volume Rank | 83.33th Pct (2,597 CMS svcs; Z -0.250σ) | CMS Medicare Part B (MA Physical Medicine and Rehabilitation) |
| 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 • 22 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.58/5 Listening • 4.86/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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