Dr. Shannon Armstrong, MD
245 Cherry Street S.e., Suite 302, Grand Rapids, MI 49503 • +1-366-555-2178
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Grand Rapids Percentiles
NPI #1780891176 • CBSA Regional • Hand Surgery
Within the Grand Rapids, MI (CBSA local) Hand Surgery cohort, Dr. Shannon Armstrong, MD with sub-specialty concentration in 54 Active CMS HCPCS Codes ranks at the 99th municipal percentile and 0th MI percentile (-1.33σ Z-score) based on 642 billed procedures for 138 patients.
Dr. Armstrong's longitudinal care intensity (4.7 billed units per patient across 138 individuals) centers on 99214 (234 annual units) and 99213 ($130–$178 cash range).
Uninsured and high-deductible cash patients visiting Dr. Shannon Armstrong in Grand Rapids (49503) face an estimated $209.00 initial evaluation fee at 245 Cherry Street S.e., Suite 302 (in-person clinic visits only; 21-minute average reception wait; bedside manner 4.56/5 from 15 verified reports).
Credentialed as an MD specialist with 25 years post-graduation experience since completing medical school at an LCME/COCA institution (2001), Dr. Armstrong coordinates 54 Active CMS HCPCS Codes workups from 245 Cherry Street S.e., Suite 302 (+1-366-555-2178).
Top 10% Hand Surgery volume leader in Grand Rapids, MI
642 annual services across 138 beneficiaries
Standard deviations from MI Hand Surgery 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 | 234 | 99th | $170 – $233 |
| 99213 | Established Preventive & Chronic Care Visit | 135 | 99.5th | $130 – $178 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 68 | 99.5th | $62 – $85 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 52 | 94th | $200 – $274 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 31 | 99th | $237 – $324 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (54 HCPCS billing breadth) | 122 | 99th | $153 – $222 |
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Dr. Shannon Armstrong, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Armstrong National Provider Identifier | NPI #1780891176 (MD) | CMS NPPES Registry (49503) |
| Dr. Armstrong Grand Rapids CMS Volume Rank | 99.00th Pct (642 CMS svcs; Z -1.329σ) | CMS Medicare Part B (MI Hand Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Grand Rapids, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 21 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.56/5 Listening • 4.68/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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