Dr. David Gregg, MD
171 Ashley Ave, Charleston, SC 29425 • +1-651-555-9966
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Charleston Percentiles
NPI #1265540264 • CBSA Regional • Cardiology
CMS Medicare Part B utilization records credit Dr. David Gregg (MD, NPI 1265540264) at 171 Ashley Ave in Charleston with 2,263 annual clinical services (1,318 beneficiaries), corresponding to a -0.79σ regional deviation and mid-cohort balanced caseload (37.14th Charleston percentile) with sub-specialty concentration in 29 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 171 Ashley Ave shows Dr. David Gregg's primary concentration in Established Cardiology Consultation & Hemodynamic Review (code 99214: 860x/yr, 37.14th local percentile) alongside 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation (93000: 634x/yr, $31–$46).
For out-of-network patients contacting +1-651-555-9966, Dr. Gregg's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.55/5 composite reality score over 26 submissions).
Clinical background for Dr. Gregg (MD, NPI #1265540264) includes accredited doctoral training (2003, 23 yrs in practice) and virtual + in-office availability across SC.
Compared against Charleston, SC Cardiology peers
2,263 annual services across 1,318 beneficiaries
Standard deviations from SC Cardiology 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 Cardiology Consultation & Hemodynamic Review | 860 | 37.14th | $79 – $109 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 634 | 37.14th | $31 – $46 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 407 | 33.14th | $148 – $203 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 226 | 36.14th | $93 – $128 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 136 | 39.14th | $114 – $156 |
Are you Dr. David Gregg? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Charleston, SC:
<a href="https://dotmd.com/doctors/david-gregg-md-charleston-sc-1265540264" title="Dr. David Gregg, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1265540264.svg" alt="Dr. David Gregg Cardiology Badge" width="280" height="72" /></a>
Dr. David Gregg, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Gregg National Provider Identifier | NPI #1265540264 (MD) | CMS NPPES Registry (29425) |
| Dr. Gregg Charleston CMS Volume Rank | 37.14th Pct (2,263 CMS svcs; Z -0.791σ) | CMS Medicare Part B (SC Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Charleston, SC) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 10 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.63/5 Listening • 4.86/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. David Gregg
Other High-Volume Cardiology Specialists in Charleston, SC
Ranked strictly by CMS Medicare volumeDr. Gregg Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Charleston, SC.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. David Gregg community threads and patient logs by age, biological sex, dosage, and treatment duration.