Dr. Sean Hennessey, MD
100 Hospital DR, #304, Vallejo, CA 94589 • +1-960-555-1886
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Vallejo Percentiles
NPI #1750342242 • CBSA Regional • Family Practice
Anchored in Vallejo, CA 94589, Dr. Sean Hennessey, MD (NPI 1750342242) logged 1,222 annual procedures (mid-cohort balanced caseload (55.56th Vallejo percentile), 42.79th CA percentile, -0.07σ) with sub-specialty concentration in 58 Active CMS HCPCS Codes.
Dr. Hennessey's longitudinal care intensity (3.6 billed units per patient across 338 individuals) centers on 99214 (467 annual units) and 99213 ($128–$175 cash range).
Self-pay new patient consultations with Dr. Hennessey (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with hybrid in-clinic and telehealth video consults, 21-minute average reception wait, and a 4.91/5 modern protocol openness score across 5 patient logs.
From 100 Hospital DR, #304 in Vallejo (+1-960-555-1886), Dr. Hennessey, MD (32-year clinical track record) delivers 58 Active CMS HCPCS Codes care.
Compared against Vallejo, CA Family Practice peers
1,222 annual services across 338 beneficiaries
Standard deviations from CA 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 | 467 | 55.56th | $167 – $229 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 345 | 51.56th | $128 – $175 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 133 | 52.56th | $192 – $263 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 100 | 53.56th | $36 – $51 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 67 | 60.56th | $230 – $315 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (58 HCPCS billing breadth) | 110 | 55.56th | $151 – $219 |
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Dr. Sean Hennessey, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hennessey National Provider Identifier | NPI #1750342242 (MD) | CMS NPPES Registry (94589) |
| Dr. Hennessey Vallejo CMS Volume Rank | 55.56th Pct (1,222 CMS svcs; Z -0.074σ) | CMS Medicare Part B (CA Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Vallejo, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 5 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.58/5 Listening • 4.91/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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