Dr. Mark Shiu, DO
7974 Haven Ave, Suite 250, Rancho Cucamonga, CA 91730 • +1-738-555-9418
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Rancho Cucamonga Percentiles
NPI #1629004478 • CBSA Regional • Family Practice
Anchored in Rancho Cucamonga, CA 91730, Dr. Mark Shiu, DO (NPI 1629004478) logged 703 annual procedures (focused low-volume boutique caseload (8.33th Rancho Cucamonga percentile), 7.4th CA percentile, -0.09σ) with sub-specialty concentration in 19 Active CMS HCPCS Codes.
Procedural volume for Dr. Shiu is led by HCPCS 99214 (Comprehensive Primary Care & Chronic Protocol Management — 295 annual services, $225–$308 GPCI cash estimate), followed by CPT 99213 (Focused Acute & Preventive Primary Care Evaluation, 218/yr) and CPT G0439 (Annual Wellness Biomarker & Preventive Screening Visit, 84/yr).
Cash-pay intake data for NPI 1629004478 (7974 Haven Ave, Suite 250, Rancho Cucamonga) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 19-minute average reception wait and 4.57/5 biomarker openness.
Spanning 10 years of clinical practice following 2016 graduation from medical training, Dr. Mark Shiu integrates 19 Active CMS HCPCS Codes diagnostics for Rancho Cucamonga metro patients.
Compared against Rancho Cucamonga, CA Family Practice peers
703 annual services across 222 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 | 295 | 12th | $225 – $308 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 218 | 12th | $172 – $236 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 84 | 12th | $258 – $354 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 63 | 12.33th | $49 – $67 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 42 | 12th | $309 – $424 |
Are you Dr. Mark Shiu? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Rancho Cucamonga, CA:
<a href="https://dotmd.com/doctors/mark-shiu-do-rancho-cucamonga-ca-1629004478" title="Dr. Mark Shiu, DO - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1629004478.svg" alt="Dr. Mark Shiu Family Practice Badge" width="280" height="72" /></a>
Dr. Mark Shiu, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Shiu National Provider Identifier | NPI #1629004478 (DO) | CMS NPPES Registry (91730) |
| Dr. Shiu Rancho Cucamonga CMS Volume Rank | 8.33th Pct (703 CMS svcs; Z -0.089σ) | CMS Medicare Part B (CA Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Rancho Cucamonga, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 19 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.89/5 Listening • 4.57/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Mark Shiu
Other High-Volume Family Practice Specialists in Rancho Cucamonga, CA
Ranked strictly by CMS Medicare volumeDr. Shiu Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Rancho Cucamonga, CA.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Mark Shiu community threads and patient logs by age, biological sex, dosage, and treatment duration.