Dr. Glyn Marsh, MD
301 W Poplar St Ste 220, Walla Walla, WA 99362 • +1-729-555-4488
Medical Education: Accredited U.S. Medical School (Class of 2002)
What This Doctor Actually Performs: CMS Medicare Utilization & Walla Walla Percentiles
NPI #1316031255 • CBSA Regional • Physical Medicine and Rehabilitation
Anchored in Walla Walla, WA 99362, Dr. Glyn Marsh, MD (NPI 1316031255) logged 16,026 annual procedures (upper-quartile active clinical volume (75th Walla Walla percentile), 92.11th WA percentile, +1.49σ) with sub-specialty concentration in 33 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 301 W Poplar St Ste 220 shows Dr. Glyn Marsh's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 288x/yr, 75th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 167x/yr, $35–$50).
Self-pay new patient consultations with Dr. Marsh (CPT 99204 GPCI-adjusted benchmark) estimate around $222.00 (community reported average: $222.00) with hybrid in-clinic and telehealth video consults, 16-minute average reception wait, and a 4.41/5 modern protocol openness score across 10 patient logs.
Credentialed as an MD specialist with 24 years post-graduation experience since completing medical school at an LCME/COCA institution (2002), Dr. Marsh coordinates 33 Active CMS HCPCS Codes workups from 301 W Poplar St Ste 220 (+1-729-555-4488).
Compared against Walla Walla, WA Physical Medicine and Rehabilitation peers
16,026 annual services across 188 beneficiaries
Standard deviations from WA Physical Medicine and Rehabilitation mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 288 | 75th | $46 – $63 |
| 99213 | Established Preventive & Chronic Care Visit | 167 | 73th | $35 – $50 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 83 | 71th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 64 | 78th | $54 – $74 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 38 | 74th | $64 – $88 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (33 HCPCS billing breadth) | 15,385 | 75th | $45 – $65 |
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Dr. Glyn Marsh, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marsh National Provider Identifier | NPI #1316031255 (MD) | CMS NPPES Registry (99362) |
| Dr. Marsh Walla Walla CMS Volume Rank | 75.00th Pct (16,026 CMS svcs; Z +1.485σ) | CMS Medicare Part B (WA Physical Medicine and Rehabilitation) |
| Fair Cash-Pay New-Patient Benchmark | $222.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Walla Walla, WA) |
| Waiting-Room Wait Time & Cash Friendliness | $222.00 avg paid • 16 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.41/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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