Dr. Gwen Williams, MD
48 Medical Park E DR, Ste 255, Birmingham, AL 35235 • +1-788-555-1117
Medical Education: Accredited U.S. Medical School (Class of 2011)
What This Doctor Actually Performs: CMS Medicare Utilization & Birmingham Percentiles
NPI #1912975590 • CBSA Regional • Rheumatology
Anchored in Birmingham, AL 35235, Dr. Gwen Williams, MD (NPI 1912975590) logged 3,425 annual procedures (mid-cohort balanced caseload (42.86th Birmingham percentile), 22.45th AL percentile, -0.82σ) with sub-specialty concentration in 36 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 48 Medical Park E DR, Ste 255 shows Dr. Gwen Williams's primary concentration in Autoimmune Arthritis & Biologic/DMARD Safety Evaluation (code 99214: 313x/yr, 42.86th local percentile) alongside Large Joint Synovial Arthrocentesis or Corticosteroid Injection (20610: 143x/yr, $36–$51).
Self-pay new patient consultations with Dr. Williams (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 11-minute average reception wait, and a 4.90/5 modern protocol openness score across 25 patient logs.
Clinical background for Dr. Williams (MD, NPI #1912975590) includes accredited doctoral training (2011, 15 yrs in practice) and virtual + in-office availability across AL.
Compared against Birmingham, AL Rheumatology peers
3,425 annual services across 177 beneficiaries
Standard deviations from AL Rheumatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Autoimmune Arthritis & Biologic/DMARD Safety Evaluation | 313 | 42.86th | $45 – $62 |
| 20610 | Large Joint Synovial Arthrocentesis or Corticosteroid Injection | 143 | 41.86th | $36 – $51 |
| 96413 | Intravenous Biologic Infusion Therapy (First Hour) | 102 | 42.86th | $62 – $85 |
| 76881 | Complete Joint Synovitis High-Resolution Ultrasound | 68 | 38.86th | $47 – $65 |
| 99204 | New Patient Autoimmune & Rheumatology Diagnostic Workup | 54 | 44.86th | $62 – $85 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (36 HCPCS billing breadth) | 2,744 | 42.86th | $45 – $65 |
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Dr. Gwen Williams, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Williams National Provider Identifier | NPI #1912975590 (MD) | CMS NPPES Registry (35235) |
| Dr. Williams Birmingham CMS Volume Rank | 42.86th Pct (3,425 CMS svcs; Z -0.821σ) | CMS Medicare Part B (AL Rheumatology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Birmingham, AL) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 11 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.93/5 Listening • 4.90/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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