Dr. Mark Davidson, MD
8631 W 3rd St, 1135-E, Los Angeles, CA 90048 • +1-717-555-4477
Medical Education: Accredited U.S. Medical School (Class of 1996)
What This Doctor Actually Performs: CMS Medicare Utilization & Los Angeles Percentiles
NPI #1164459178 • CBSA 31080 • Gastroenterology
CMS Medicare Part B utilization records credit Dr. Mark Davidson (MD, NPI 1164459178) at 8631 W 3rd St, 1135-E in Los Angeles with 2,085 annual clinical services (388 beneficiaries), corresponding to a +0.01σ regional deviation and upper-quartile active clinical volume (81.63th Los Angeles percentile) with sub-specialty concentration in 38 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 8631 W 3rd St, 1135-E shows Dr. Mark Davidson's primary concentration in Established Gastroenterology, GERD & IBD Evaluation (code 99214: 771x/yr, 81.63th local percentile) alongside Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy (45380: 521x/yr, $324–$444).
Self-pay new patient consultations with Dr. Davidson (CPT 99204 GPCI-adjusted benchmark) estimate around $231.00 (community reported average: $231.00) with hybrid in-clinic and telehealth video consults, 10-minute average reception wait, and a 4.84/5 modern protocol openness score across 4 patient logs.
Credentialed as an MD specialist with 30 years post-graduation experience since completing medical school at an LCME/COCA institution (1996), Dr. Davidson coordinates 38 Active CMS HCPCS Codes workups from 8631 W 3rd St, 1135-E (+1-717-555-4477).
Compared against Los Angeles, CA Gastroenterology peers
2,085 annual services across 388 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 | 771 | 81.63th | $135 – $184 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 521 | 79.63th | $324 – $444 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 438 | 79.63th | $269 – $369 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 209 | 77.63th | $361 – $495 |
| 99204 | New Patient Digestive & Hepatology Consultation | 146 | 77.63th | $190 – $260 |
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Dr. Mark Davidson, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Davidson National Provider Identifier | NPI #1164459178 (MD) | CMS NPPES Registry (90048) |
| Dr. Davidson Los Angeles CMS Volume Rank | 81.63th Pct (2,085 CMS svcs; Z +0.012σ) | CMS Medicare Part B (CA Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $231.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Los Angeles, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $231.00 avg paid • 10 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.84/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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