Dr. Margaret Williamson, MD
5673 Peachtree Dunwoody Rd, Suite #600, Atlanta, GA 30342 • +1-320-555-7114
Medical Education: Accredited U.S. Medical School (Class of 2013)
What This Doctor Actually Performs: CMS Medicare Utilization & Atlanta Percentiles
NPI #1093855884 • CBSA 12060 • Infectious Disease
Dr. Margaret Williamson, MD (NPI #1093855884) practices Infectious Disease in Atlanta, GA (30342) with sub-specialty concentration in 23 Active CMS HCPCS Codes, recording 1,529 annual CMS services across 312 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (45th Atlanta percentile) (-0.20σ vs GA state mean, 44.05th statewide percentile).
Fee-schedule auditing of NPI 1093855884 highlights 671 annual claims for 99214 (45th Atlanta percentile; $159–$218 self-pay corridor) plus 387 encounters under 99213 and 194 under 93000.
Cash-pay intake data for NPI 1093855884 (5673 Peachtree Dunwoody Rd, Suite #600, Atlanta) indicates $210.00 typical out-of-pocket visit spend against a $210.00 locality benchmark, paired with 22-minute average reception wait and 4.60/5 biomarker openness.
Patients evaluating Dr. Margaret Williamson in ZIP 30342 note 13 years of post-doctoral tenure (null, 2013) alongside 4.9 annual CMS procedures per patient.
Compared against Atlanta, GA Infectious Disease peers
1,529 annual services across 312 beneficiaries
Standard deviations from GA Infectious Disease 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 | 671 | 45th | $159 – $218 |
| 99213 | Established Preventive & Chronic Care Visit | 387 | 50th | $122 – $167 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 194 | 43th | $58 – $80 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 149 | 44th | $187 – $256 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 89 | 40th | $222 – $304 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (23 HCPCS billing breadth) | 39 | 45th | $144 – $209 |
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Dr. Margaret Williamson, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Williamson National Provider Identifier | NPI #1093855884 (MD) | CMS NPPES Registry (30342) |
| Dr. Williamson Atlanta CMS Volume Rank | 45.00th Pct (1,529 CMS svcs; Z -0.195σ) | CMS Medicare Part B (GA Infectious Disease) |
| Fair Cash-Pay New-Patient Benchmark | $210.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Atlanta, GA) |
| Waiting-Room Wait Time & Cash Friendliness | $210.00 avg paid • 22 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.68/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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