Dr. Fen Jiang, MD
27799 Medical Center Rd Ste 460, Mission Viejo, CA 92691 • +1-852-555-6617
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & Mission Viejo Percentiles
NPI #1831312289 • CBSA Regional • Medical Oncology
Operating out of Mission Viejo, CA (27799 Medical Center Rd Ste 460), Medical Oncology clinician Dr. Fen Jiang, MD (accredited MD/DO training, 2009) maintains a mid-cohort balanced caseload (50th Mission Viejo percentile) (60.12th CA percentile; Z-score -0.39σ across 15,834 documented services) with sub-specialty concentration in 40 Active CMS HCPCS Codes.
Procedural volume for Dr. Jiang is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 838 annual services, $50–$68 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 484/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 242/yr).
At 27799 Medical Center Rd Ste 460 (92691), Dr. Fen Jiang, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$239.00 per new consult (4.77/5 bedside rating).
Clinical background for Dr. Jiang (MD, NPI #1831312289) includes accredited doctoral training (2009, 17 yrs in practice) and virtual + in-office availability across CA.
Compared against Mission Viejo, CA Medical Oncology peers
15,834 annual services across 242 beneficiaries
Standard deviations from CA Medical Oncology 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 | 838 | 50th | $50 – $68 |
| 99213 | Established Preventive & Chronic Care Visit | 484 | 49th | $38 – $53 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 242 | 53th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 186 | 51th | $58 – $80 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 112 | 52th | $69 – $94 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (40 HCPCS billing breadth) | 13,972 | 50th | $45 – $65 |
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Dr. Fen Jiang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Jiang National Provider Identifier | NPI #1831312289 (MD) | CMS NPPES Registry (92691) |
| Dr. Jiang Mission Viejo CMS Volume Rank | 50.00th Pct (15,834 CMS svcs; Z -0.391σ) | CMS Medicare Part B (CA Medical Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Mission Viejo, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 9 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.77/5 Listening • 4.45/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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