Dr. Lawrence Chan, MD
2702 Low Ct, Fairfield, CA 94534 • +1-244-555-8451
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Fairfield Percentiles
NPI #1356558332 • CBSA Regional • Gastroenterology
Dr. Lawrence Chan, MD (NPI #1356558332) practices Gastroenterology in Fairfield, CA (94534) with sub-specialty concentration in 38 Active CMS HCPCS Codes, recording 1,802 annual CMS services across 687 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (80th Fairfield percentile) (-0.06σ vs CA state mean, 74.67th statewide percentile).
Procedural volume for Dr. Chan is led by HCPCS 99214 (Established Gastroenterology, GERD & IBD Evaluation — 667 annual services, $200–$274 GPCI cash estimate), followed by CPT 45380 (Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy, 451/yr) and CPT 43239 (Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy, 378/yr).
At 2702 Low Ct (94534), Dr. Lawrence Chan, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$239.00 per new consult (4.73/5 bedside rating).
Spanning 31 years of clinical practice following 1995 graduation from medical training, Dr. Lawrence Chan integrates 38 Active CMS HCPCS Codes diagnostics for Fairfield metro patients.
Compared against Fairfield, CA Gastroenterology peers
1,802 annual services across 687 beneficiaries
Standard deviations from CA Gastroenterology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Gastroenterology, GERD & IBD Evaluation | 667 | 80th | $200 – $274 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 451 | 82th | $482 – $660 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 378 | 84th | $400 – $548 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 180 | 78th | $536 – $735 |
| 99204 | New Patient Digestive & Hepatology Consultation | 126 | 82th | $282 – $386 |
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Dr. Lawrence Chan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chan National Provider Identifier | NPI #1356558332 (MD) | CMS NPPES Registry (94534) |
| Dr. Chan Fairfield CMS Volume Rank | 80.00th Pct (1,802 CMS svcs; Z -0.062σ) | CMS Medicare Part B (CA Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Fairfield, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 19 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.73/5 Listening • 4.46/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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