Dr. Karen Tsai, MD
1500 Duarte Rd, Duarte, CA 91010 • +1-838-555-7824
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Duarte Percentiles
NPI #1265973416 • CBSA Regional • Endocrinology
CMS Medicare Part B utilization records credit Dr. Karen Tsai (MD, NPI 1265973416) at 1500 Duarte Rd in Duarte with 2,000 annual clinical services (548 beneficiaries), corresponding to a -0.49σ regional deviation and upper-quartile active clinical volume (80th Duarte percentile) with sub-specialty concentration in 17 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1500 Duarte Rd shows Dr. Karen Tsai's primary concentration in Complex Endocrine, Thyroid & Metabolic Biomarker Management (code 99214: 880x/yr, 80th local percentile) alongside Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis (95251: 440x/yr, $90–$124).
At 1500 Duarte Rd (91010), Dr. Karen Tsai, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$239.00 per new consult (4.66/5 bedside rating).
Credentialed as an MD specialist with 29 years post-graduation experience since completing medical school at an LCME/COCA institution (1997), Dr. Tsai coordinates 17 Active CMS HCPCS Codes workups from 1500 Duarte Rd (+1-838-555-7824).
Compared against Duarte, CA Endocrinology peers
2,000 annual services across 548 beneficiaries
Standard deviations from CA 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 | 880 | 80th | $145 – $198 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 440 | 82th | $90 – $124 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 320 | 75th | $175 – $239 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 240 | 84th | $199 – $273 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 120 | 83th | $223 – $306 |
Are you Dr. Karen Tsai? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Duarte, CA:
<a href="https://dotmd.com/doctors/karen-tsai-md-duarte-ca-1265973416" title="Dr. Karen Tsai, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1265973416.svg" alt="Dr. Karen Tsai Endocrinology Badge" width="280" height="72" /></a>
Dr. Karen Tsai, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Tsai National Provider Identifier | NPI #1265973416 (MD) | CMS NPPES Registry (91010) |
| Dr. Tsai Duarte CMS Volume Rank | 80.00th Pct (2,000 CMS svcs; Z -0.490σ) | CMS Medicare Part B (CA Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Duarte, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.66/5 Listening • 4.71/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Karen Tsai
Other High-Volume Endocrinology Specialists in Duarte, CA
Ranked strictly by CMS Medicare volumeDr. Tsai Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Duarte, CA.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Karen Tsai community threads and patient logs by age, biological sex, dosage, and treatment duration.