Dr. Karen Kim, MD
300 Pasteur DR, Stanford, CA 94305 • +1-710-555-8647
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Stanford Percentiles
NPI #1639385479 • CBSA Regional • Gastroenterology
Dr. Karen Kim, MD (NPI #1639385479) practices Gastroenterology in Stanford, CA (94305) with sub-specialty concentration in 31 Active CMS HCPCS Codes, recording 825 annual CMS services across 439 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (44.44th Stanford percentile) (-0.32σ vs CA state mean, 20.6th statewide percentile).
Procedural volume for Dr. Kim is led by HCPCS 99214 (Established Gastroenterology, GERD & IBD Evaluation — 305 annual services, $266–$364 GPCI cash estimate), followed by CPT 45380 (Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy, 206/yr) and CPT 43239 (Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy, 173/yr).
Self-pay new patient consultations with Dr. Kim (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with hybrid in-clinic and telehealth video consults, 21-minute average reception wait, and a 4.83/5 modern protocol openness score across 25 patient logs.
NPI registry verification (#1639385479) confirms Dr. Karen Kim's MD standing serving CBSA 94305 with a 4.90/5 patient scorecard.
Compared against Stanford, CA Gastroenterology peers
825 annual services across 439 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 | 305 | 44.44th | $266 – $364 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 206 | 44.44th | $640 – $878 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 173 | 46.44th | $532 – $729 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 83 | 43.44th | $713 – $977 |
| 99204 | New Patient Digestive & Hepatology Consultation | 58 | 49.44th | $375 – $513 |
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Dr. Karen Kim, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Kim National Provider Identifier | NPI #1639385479 (MD) | CMS NPPES Registry (94305) |
| Dr. Kim Stanford CMS Volume Rank | 44.44th Pct (825 CMS svcs; Z -0.318σ) | CMS Medicare Part B (CA Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Stanford, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.96/5 Listening • 4.83/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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