Dr. Johanna Chan, MD
1515 Holcombe Blvd, Houston, TX 77030 • +1-670-555-4372
Medical Education: Accredited U.S. Medical School (Class of 1996)
What This Doctor Actually Performs: CMS Medicare Utilization & Houston Percentiles
NPI #1679716096 • CBSA 26420 • Gastroenterology
CMS Medicare Part B utilization records credit Dr. Johanna Chan (MD, NPI 1679716096) at 1515 Holcombe Blvd in Houston with 681 annual clinical services (444 beneficiaries), corresponding to a -0.32σ regional deviation and focused low-volume boutique caseload (5.88th Houston percentile) with sub-specialty concentration in 36 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1679716096 highlights 252 annual claims for 99214 (12th Houston percentile; $193–$264 self-pay corridor) plus 170 encounters under 45380 and 143 under 43239.
Direct cash-pay transparency modeling sets Dr. Chan's baseline new-consult rate near $212.00 in Houston, TX (cash-pay accepted, hybrid in-clinic and telehealth video consults, 9-minute average reception wait).
Credentialed as an MD specialist with 30 years post-graduation experience since completing medical school at an LCME/COCA institution (1996), Dr. Chan coordinates 36 Active CMS HCPCS Codes workups from 1515 Holcombe Blvd (+1-670-555-4372).
Compared against Houston, TX Gastroenterology peers
681 annual services across 444 beneficiaries
Standard deviations from TX 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 | 252 | 12th | $193 – $264 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 170 | 12th | $464 – $636 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 143 | 12th | $385 – $528 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 68 | 12th | $517 – $708 |
| 99204 | New Patient Digestive & Hepatology Consultation | 48 | 12th | $272 – $372 |
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Dr. Johanna Chan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chan National Provider Identifier | NPI #1679716096 (MD) | CMS NPPES Registry (77030) |
| Dr. Chan Houston CMS Volume Rank | 5.88th Pct (681 CMS svcs; Z -0.322σ) | CMS Medicare Part B (TX Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $212.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Houston, TX) |
| Waiting-Room Wait Time & Cash Friendliness | $212.00 avg paid • 9 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.84/5 Listening • 4.52/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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