Dr. John Hennessey, MD
1527 Route 12, Suite 1, Gales Ferry, CT 06335 • +1-940-555-1561
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Gales Ferry Percentiles
NPI #1215916564 • CBSA Regional • Internal Medicine
Dr. John Hennessey, MD (NPI #1215916564) practices Internal Medicine in Gales Ferry, CT (06335) with sub-specialty concentration in 46 Active CMS HCPCS Codes, recording 9,020 annual CMS services across 738 distinct beneficiaries—placing this practice as a top-decile high-throughput specialist (99th percentile in Gales Ferry) (+1.68σ vs CT state mean, 98.98th statewide percentile).
Granular CPT/HCPCS billing distribution at 1527 Route 12, Suite 1 shows Dr. John Hennessey's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 2384x/yr, 99th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 1377x/yr, $68–$93).
Self-pay new patient consultations with Dr. Hennessey (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 14-minute average reception wait, and a 4.92/5 modern protocol openness score across 8 patient logs.
Credentialed as an MD specialist with 26 years post-graduation experience since completing medical school at an LCME/COCA institution (2000), Dr. Hennessey coordinates 46 Active CMS HCPCS Codes workups from 1527 Route 12, Suite 1 (+1-940-555-1561).
Top 10% Internal Medicine volume leader in Gales Ferry, CT
9,020 annual services across 738 beneficiaries
Standard deviations from CT 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 | 2,384 | 99th | $89 – $122 |
| 99213 | Established Preventive & Chronic Care Visit | 1,377 | 99.5th | $68 – $93 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 689 | 99.5th | $32 – $47 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 530 | 99.5th | $104 – $143 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 318 | 99.5th | $123 – $169 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (46 HCPCS billing breadth) | 3,723 | 99th | $80 – $116 |
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Dr. John Hennessey, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hennessey National Provider Identifier | NPI #1215916564 (MD) | CMS NPPES Registry (06335) |
| Dr. Hennessey Gales Ferry CMS Volume Rank | 99.00th Pct (9,020 CMS svcs; Z +1.681σ) | CMS Medicare Part B (CT Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Gales Ferry, CT) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 14 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.92/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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