Dr. Mark Tsai, MD
16415 Colorado Ave, Suite 101, Paramount, CA 90723 • +1-628-555-5593
Medical Education: Accredited U.S. Medical School (Class of 2012)
What This Doctor Actually Performs: CMS Medicare Utilization & Paramount Percentiles
NPI #1225033111 • CBSA Regional • Internal Medicine
Dr. Mark Tsai, MD (NPI #1225033111) practices Internal Medicine in Paramount, CA (90723) with sub-specialty concentration in 15 Active CMS HCPCS Codes, recording 1,018 annual CMS services across 211 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (0th Paramount percentile) (-0.10σ vs CA state mean, 30.36th statewide percentile).
Among 6 tracked CMS fee-schedule codes for Dr. Tsai (averaging 4.8 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 42% of tracked volume (428 encounters), paired with 99213 (248x).
Cash-pay intake data for NPI 1225033111 (16415 Colorado Ave, Suite 101, Paramount) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 19-minute average reception wait and 4.52/5 biomarker openness.
Spanning 14 years of clinical practice following 2012 graduation from medical training, Dr. Mark Tsai integrates 15 Active CMS HCPCS Codes diagnostics for Paramount metro patients.
Compared against Paramount, CA Internal Medicine peers
1,018 annual services across 211 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 | 428 | 12th | $125 – $171 |
| 99213 | Established Preventive & Chronic Care Visit | 248 | 12th | $96 – $131 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 124 | 12th | $46 – $62 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 95 | 12th | $147 – $201 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 57 | 12th | $174 – $238 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (15 HCPCS billing breadth) | 66 | 0th | $113 – $164 |
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Dr. Mark Tsai, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Tsai National Provider Identifier | NPI #1225033111 (MD) | CMS NPPES Registry (90723) |
| Dr. Tsai Paramount CMS Volume Rank | 0.00th Pct (1,018 CMS svcs; Z -0.099σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Paramount, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 19 min lobby wait | 5 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.70/5 Listening • 4.52/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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