Dr. Erik Underhill, MD
1806 N Van Buren Street, Suite 200, Wilmington, DE 19802 • +1-743-555-5100
Medical Education: Accredited U.S. Medical School (Class of 2015)
What This Doctor Actually Performs: CMS Medicare Utilization & Wilmington Percentiles
NPI #1881767382 • CBSA Regional • Internal Medicine
CMS Medicare Part B utilization records credit Dr. Erik Underhill (MD, NPI 1881767382) at 1806 N Van Buren Street, Suite 200 in Wilmington with 1,544 annual clinical services (199 beneficiaries), corresponding to a -0.14σ regional deviation and mid-cohort balanced caseload (61.54th Wilmington percentile) with sub-specialty concentration in 33 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1806 N Van Buren Street, Suite 200 shows Dr. Erik Underhill's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 666x/yr, 61.54th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 385x/yr, $100–$136).
Self-pay new patient consultations with Dr. Underhill (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 17-minute average reception wait, and a 4.64/5 modern protocol openness score across 23 patient logs.
Patients evaluating Dr. Erik Underhill in ZIP 19802 note 11 years of post-doctoral tenure (null, 2015) alongside 7.8 annual CMS procedures per patient.
Compared against Wilmington, DE Internal Medicine peers
1,544 annual services across 199 beneficiaries
Standard deviations from DE Internal Medicine 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 | 666 | 61.54th | $130 – $178 |
| 99213 | Established Preventive & Chronic Care Visit | 385 | 59.54th | $100 – $136 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 193 | 64.54th | $47 – $65 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 148 | 60.54th | $153 – $209 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 89 | 61.54th | $181 – $248 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (33 HCPCS billing breadth) | 63 | 61.54th | $117 – $170 |
Are you Dr. Erik Underhill? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Wilmington, DE:
<a href="https://dotmd.com/doctors/erik-underhill-md-wilmington-de-1881767382" title="Dr. Erik Underhill, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1881767382.svg" alt="Dr. Erik Underhill Internal Medicine Badge" width="280" height="72" /></a>
Dr. Erik Underhill, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Underhill National Provider Identifier | NPI #1881767382 (MD) | CMS NPPES Registry (19802) |
| Dr. Underhill Wilmington CMS Volume Rank | 61.54th Pct (1,544 CMS svcs; Z -0.137σ) | CMS Medicare Part B (DE Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Wilmington, DE) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.87/5 Listening • 4.64/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Erik Underhill
Other High-Volume Internal Medicine Specialists in Wilmington, DE
Ranked strictly by CMS Medicare volumeDr. Underhill Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Wilmington, DE.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Erik Underhill community threads and patient logs by age, biological sex, dosage, and treatment duration.