Dr. Tien Lam, MD
1450 Treat Blvd, Suite 120b, Walnut Creek, CA 94597 • +1-506-555-8582
Medical Education: Accredited U.S. Medical School (Class of 2008)
What This Doctor Actually Performs: CMS Medicare Utilization & Walnut Creek Percentiles
NPI #1710917315 • CBSA Regional • Family Practice
Within the Walnut Creek, CA (CBSA local) Family Practice cohort, Dr. Tien Lam, MD with sub-specialty concentration in 32 Active CMS HCPCS Codes ranks at the 86.49th municipal percentile and 57.91th CA percentile (-0.06σ Z-score) based on 1,659 billed procedures for 362 patients.
Procedural volume for Dr. Lam is led by HCPCS 99214 (Comprehensive Primary Care & Chronic Protocol Management — 667 annual services, $129–$177 GPCI cash estimate), followed by CPT 99213 (Focused Acute & Preventive Primary Care Evaluation, 493/yr) and CPT G0439 (Annual Wellness Biomarker & Preventive Screening Visit, 191/yr).
Uninsured and high-deductible cash patients visiting Dr. Tien Lam in Walnut Creek (94597) face an estimated $239.00 initial evaluation fee at 1450 Treat Blvd, Suite 120b (hybrid in-clinic and telehealth video consults; 21-minute average reception wait; bedside manner 4.60/5 from 19 verified reports).
Clinical background for Dr. Lam (MD, NPI #1710917315) includes accredited doctoral training (2008, 18 yrs in practice) and virtual + in-office availability across CA.
Compared against Walnut Creek, CA Family Practice peers
1,659 annual services across 362 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 | 667 | 86.49th | $129 – $177 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 493 | 89.49th | $99 – $135 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 191 | 83.49th | $148 – $203 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 143 | 86.49th | $28 – $43 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 95 | 83.49th | $177 – $243 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (32 HCPCS billing breadth) | 70 | 86.49th | $116 – $168 |
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Dr. Tien Lam, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Lam National Provider Identifier | NPI #1710917315 (MD) | CMS NPPES Registry (94597) |
| Dr. Lam Walnut Creek CMS Volume Rank | 86.49th Pct (1,659 CMS svcs; Z -0.061σ) | CMS Medicare Part B (CA Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Walnut Creek, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.60/5 Listening • 4.91/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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