Dr. Wallen Chan, MD
78 Todt Hill Rd, Staten Island, NY 10314 • +1-843-555-9027
Medical Education: Accredited U.S. Medical School (Class of 1996)
What This Doctor Actually Performs: CMS Medicare Utilization & Staten Island Percentiles
NPI #1043287857 • CBSA Regional • Gastroenterology
Dr. Wallen Chan, MD (NPI #1043287857) practices Gastroenterology in Staten Island, NY (10314) with sub-specialty concentration in 32 Active CMS HCPCS Codes, recording 655 annual CMS services across 350 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (0th Staten Island percentile) (-0.46σ vs NY state mean, 4.54th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Chan (averaging 1.9 services per beneficiary), 99214 (Established Gastroenterology, GERD & IBD Evaluation) represents 37% of tracked volume (242 encounters), paired with 45380 (164x).
Uninsured and high-deductible cash patients visiting Dr. Wallen Chan in Staten Island (10314) face an estimated $232.00 initial evaluation fee at 78 Todt Hill Rd (hybrid in-clinic and telehealth video consults; 12-minute average reception wait; bedside manner 4.58/5 from 10 verified reports).
Patients evaluating Dr. Wallen Chan in ZIP 10314 note 30 years of post-doctoral tenure (null, 1996) alongside 1.9 annual CMS procedures per patient.
Compared against Staten Island, NY Gastroenterology peers
655 annual services across 350 beneficiaries
Standard deviations from NY 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 | 242 | 12th | $303 – $415 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 164 | 12th | $729 – $999 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 138 | 12th | $605 – $829 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 66 | 12th | $811 – $1112 |
| 99204 | New Patient Digestive & Hepatology Consultation | 46 | 12th | $426 – $584 |
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Dr. Wallen Chan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chan National Provider Identifier | NPI #1043287857 (MD) | CMS NPPES Registry (10314) |
| Dr. Chan Staten Island CMS Volume Rank | 0.00th Pct (655 CMS svcs; Z -0.456σ) | CMS Medicare Part B (NY Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Staten Island, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 12 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.58/5 Listening • 4.56/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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