Dr. Oscar Chien, MD
1448 S. San Gabriel Bl., San Gabriel, CA 91776 • +1-747-555-3864
Medical Education: Accredited U.S. Medical School (Class of 2006)
What This Doctor Actually Performs: CMS Medicare Utilization & San Gabriel Percentiles
NPI #1679675904 • CBSA Regional • Internal Medicine
Anchored in San Gabriel, CA 91776, Dr. Oscar Chien, MD (NPI 1679675904) logged 5,279 annual procedures (upper-quartile active clinical volume (66.67th San Gabriel percentile), 86.49th CA percentile, +0.03σ) with sub-specialty concentration in 20 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1448 S. San Gabriel Bl. shows Dr. Oscar Chien's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 2358x/yr, 66.67th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 1362x/yr, $137–$187).
For out-of-network patients contacting +1-747-555-3864, Dr. Chien's practice posts a $239.00 GPCI self-pay consult estimate ($239.00 patient-logged median, 4.89/5 composite reality score over 8 submissions).
NPI registry verification (#1679675904) confirms Dr. Oscar Chien's MD standing serving CBSA 91776 with a 4.89/5 patient scorecard.
Compared against San Gabriel, CA Internal Medicine peers
5,279 annual services across 681 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 | 2,358 | 66.67th | $179 – $245 |
| 99213 | Established Preventive & Chronic Care Visit | 1,362 | 61.67th | $137 – $187 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 681 | 64.67th | $65 – $89 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 524 | 61.67th | $210 – $287 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 314 | 70.67th | $248 – $340 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (20 HCPCS billing breadth) | 39 | 66.67th | $161 – $233 |
Are you Dr. Oscar Chien? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in San Gabriel, CA:
<a href="https://dotmd.com/doctors/oscar-chien-md-san-gabriel-ca-1679675904" title="Dr. Oscar Chien, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1679675904.svg" alt="Dr. Oscar Chien Internal Medicine Badge" width="280" height="72" /></a>
Dr. Oscar Chien, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chien National Provider Identifier | NPI #1679675904 (MD) | CMS NPPES Registry (91776) |
| Dr. Chien San Gabriel CMS Volume Rank | 66.67th Pct (5,279 CMS svcs; Z +0.027σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (San Gabriel, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.61/5 Listening • 4.81/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Oscar Chien
Other High-Volume Internal Medicine Specialists in San Gabriel, CA
Ranked strictly by CMS Medicare volumeDr. Chien Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in San Gabriel, CA.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Oscar Chien community threads and patient logs by age, biological sex, dosage, and treatment duration.