Dr. Jonathan Fillmore, MD
5520 Park Ave, Suite 306, Trumbull, CT 06611 • +1-966-555-2863
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Trumbull Percentiles
NPI #1578592713 • CBSA Regional • Endocrinology
Dr. Jonathan Fillmore, MD (NPI #1578592713) practices Endocrinology in Trumbull, CT (06611) with sub-specialty concentration in 14 Active CMS HCPCS Codes, recording 2,524 annual CMS services across 304 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (22.22th Trumbull percentile) (-0.38σ vs CT state mean, 48.39th statewide percentile).
Procedural volume for Dr. Fillmore is led by HCPCS 99214 (Complex Endocrine, Thyroid & Metabolic Biomarker Management — 407 annual services, $74–$102 GPCI cash estimate), followed by CPT 95251 (Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis, 204/yr) and CPT 76536 (High-Resolution Thyroid & Parathyroid Neck Ultrasound, 148/yr).
Self-pay new patient consultations with Dr. Fillmore (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with in-person clinic visits only, 11-minute average reception wait, and a 4.84/5 modern protocol openness score across 21 patient logs.
Credentialed as an MD specialist with 28 years post-graduation experience since completing medical school at an LCME/COCA institution (1998), Dr. Fillmore coordinates 14 Active CMS HCPCS Codes workups from 5520 Park Ave, Suite 306 (+1-966-555-2863).
Compared against Trumbull, CT Endocrinology peers
2,524 annual services across 304 beneficiaries
Standard deviations from CT Endocrinology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Complex Endocrine, Thyroid & Metabolic Biomarker Management | 407 | 22.22th | $74 – $102 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 204 | 22.22th | $47 – $64 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 148 | 24.22th | $90 – $123 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 111 | 17.22th | $102 – $140 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 56 | 22.22th | $115 – $157 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (14 HCPCS billing breadth) | 1,598 | 22.22th | $64 – $93 |
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Dr. Jonathan Fillmore, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Fillmore National Provider Identifier | NPI #1578592713 (MD) | CMS NPPES Registry (06611) |
| Dr. Fillmore Trumbull CMS Volume Rank | 22.22th Pct (2,524 CMS svcs; Z -0.377σ) | CMS Medicare Part B (CT Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Trumbull, CT) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 11 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.90/5 Listening • 4.84/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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