Dr. Stephen Chen, MD
19250 Sw 90th Ave, Tualatin, OR 97062 • +1-517-555-1288
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Tualatin Percentiles
NPI #1831221837 • CBSA Regional • Gastroenterology
Operating out of Tualatin, OR (19250 Sw 90th Ave), Gastroenterology clinician Dr. Stephen Chen, MD (accredited MD/DO training, 1993) maintains a focused low-volume boutique caseload (28.57th Tualatin percentile) (30.34th OR percentile; Z-score -0.81σ across 1,224 documented services) with sub-specialty concentration in 48 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1831221837 highlights 453 annual claims for 99214 (28.57th Tualatin percentile; $96–$132 self-pay corridor) plus 306 encounters under 45380 and 257 under 43239.
Cash-pay intake data for NPI 1831221837 (19250 Sw 90th Ave, Tualatin) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 19-minute average reception wait and 4.78/5 biomarker openness.
Clinical background for Dr. Chen (MD, NPI #1831221837) includes accredited doctoral training (1993, 33 yrs in practice) and virtual + in-office availability across OR.
Compared against Tualatin, OR Gastroenterology peers
1,224 annual services across 267 beneficiaries
Standard deviations from OR 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 | 453 | 28.57th | $96 – $132 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 306 | 23.57th | $232 – $317 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 257 | 29.57th | $192 – $264 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 122 | 29.57th | $258 – $353 |
| 99204 | New Patient Digestive & Hepatology Consultation | 86 | 28.57th | $136 – $186 |
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Dr. Stephen Chen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chen National Provider Identifier | NPI #1831221837 (MD) | CMS NPPES Registry (97062) |
| Dr. Chen Tualatin CMS Volume Rank | 28.57th Pct (1,224 CMS svcs; Z -0.808σ) | CMS Medicare Part B (OR Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Tualatin, OR) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 19 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.77/5 Listening • 4.78/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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