Dr. Jennifer Chang, MD
3865 Jackson St, Riverside, CA 92503 • +1-775-555-4965
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Riverside Percentiles
NPI #1831364991 • CBSA Regional • Internal Medicine
CMS Medicare Part B utilization records credit Dr. Jennifer Chang (MD, NPI 1831364991) at 3865 Jackson St in Riverside with 633 annual clinical services (103 beneficiaries), corresponding to a -0.11σ regional deviation and focused low-volume boutique caseload (2.56th Riverside percentile) with sub-specialty concentration in 13 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Chang (averaging 6.1 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (285 encounters), paired with 99213 (165x).
Cash-pay intake data for NPI 1831364991 (3865 Jackson St, Riverside) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 9-minute average reception wait and 4.78/5 biomarker openness.
Patients evaluating Dr. Jennifer Chang in ZIP 92503 note 28 years of post-doctoral tenure (null, 1998) alongside 6.1 annual CMS procedures per patient.
Compared against Riverside, CA Internal Medicine peers
633 annual services across 103 beneficiaries
Standard deviations from CA 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 | 285 | 12th | $159 – $218 |
| 99213 | Established Preventive & Chronic Care Visit | 165 | 12th | $122 – $167 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 82 | 12th | $58 – $80 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 63 | 12th | $187 – $256 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 38 | 12th | $221 – $303 |
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Dr. Jennifer Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1831364991 (MD) | CMS NPPES Registry (92503) |
| Dr. Chang Riverside CMS Volume Rank | 2.56th Pct (633 CMS svcs; Z -0.110σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Riverside, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 9 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.65/5 Listening • 4.78/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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