Dr. Erik Wamsteker, MD
1500 E Medical Center DR, Ann Arbor, MI 48109 • +1-488-555-5820
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Ann Arbor Percentiles
NPI #1255416863 • CBSA Regional • Gastroenterology
Anchored in Ann Arbor, MI 48109, Dr. Erik Wamsteker, MD (NPI 1255416863) logged 682 annual procedures (focused low-volume boutique caseload (25th Ann Arbor percentile), 4.32th MI percentile, -0.51σ) with sub-specialty concentration in 51 Active CMS HCPCS Codes.
Dr. Wamsteker's longitudinal care intensity (2.7 billed units per patient across 255 individuals) centers on 99214 (252 annual units) and 45380 ($532–$729 cash range).
Self-pay new patient consultations with Dr. Wamsteker (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with in-person clinic visits only, 11-minute average reception wait, and a 4.43/5 modern protocol openness score across 21 patient logs.
Patients evaluating Dr. Erik Wamsteker in ZIP 48109 note 28 years of post-doctoral tenure (null, 1998) alongside 2.7 annual CMS procedures per patient.
Compared against Ann Arbor, MI Gastroenterology peers
682 annual services across 255 beneficiaries
Standard deviations from MI 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 | 25th | $221 – $303 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 171 | 29th | $532 – $729 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 143 | 28th | $442 – $606 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 68 | 30th | $593 – $812 |
| 99204 | New Patient Digestive & Hepatology Consultation | 48 | 21th | $311 – $427 |
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Dr. Erik Wamsteker, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Wamsteker National Provider Identifier | NPI #1255416863 (MD) | CMS NPPES Registry (48109) |
| Dr. Wamsteker Ann Arbor CMS Volume Rank | 25.00th Pct (682 CMS svcs; Z -0.512σ) | CMS Medicare Part B (MI Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Ann Arbor, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 11 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.90/5 Listening • 4.43/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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