Dr. Matthew Chin, MD
1450 Treat Blvd Ste 200, Walnut Creek, CA 94597 • +1-506-555-5716
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Walnut Creek Percentiles
NPI #1629397351 • CBSA Regional • Gastroenterology
Anchored in Walnut Creek, CA 94597, Dr. Matthew Chin, MD (NPI 1629397351) logged 1,491 annual procedures (mid-cohort balanced caseload (44.44th Walnut Creek percentile), 66.14th CA percentile, -0.14σ) with sub-specialty concentration in 85 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1629397351 highlights 552 annual claims for 99214 (44.44th Walnut Creek percentile; $271–$371 self-pay corridor) plus 373 encounters under 45380 and 313 under 43239.
Cash-pay intake data for NPI 1629397351 (1450 Treat Blvd Ste 200, Walnut Creek) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 22-minute average reception wait and 4.54/5 biomarker openness.
Patients evaluating Dr. Matthew Chin in ZIP 94597 note 19 years of post-doctoral tenure (null, 2007) alongside 2.6 annual CMS procedures per patient.
Compared against Walnut Creek, CA Gastroenterology peers
1,491 annual services across 566 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 | 552 | 44.44th | $271 – $371 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 373 | 47.44th | $653 – $894 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 313 | 49.44th | $542 – $742 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 149 | 43.44th | $726 – $995 |
| 99204 | New Patient Digestive & Hepatology Consultation | 104 | 42.44th | $382 – $523 |
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Dr. Matthew Chin, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chin National Provider Identifier | NPI #1629397351 (MD) | CMS NPPES Registry (94597) |
| Dr. Chin Walnut Creek CMS Volume Rank | 44.44th Pct (1,491 CMS svcs; Z -0.144σ) | CMS Medicare Part B (CA Gastroenterology) |
| 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 • 22 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.74/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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