Dr. David Dang, MD
13872 Harbor Blvd, Unit 1a, Garden Grove, CA 92843 • +1-245-555-8859
Medical Education: Accredited U.S. Medical School (Class of 1992)
What This Doctor Actually Performs: CMS Medicare Utilization & Garden Grove Percentiles
NPI #1932162385 • CBSA Regional • Rheumatology
CMS Medicare Part B utilization records credit Dr. David Dang (MD, NPI 1932162385) at 13872 Harbor Blvd, Unit 1a in Garden Grove with 4,080 annual clinical services (833 beneficiaries), corresponding to a -0.46σ regional deviation and top-decile high-throughput specialist (99th percentile in Garden Grove) with sub-specialty concentration in 12 Active CMS HCPCS Codes.
Procedural volume for Dr. Dang is led by HCPCS 99214 (Autoimmune Arthritis & Biologic/DMARD Safety Evaluation — 1180 annual services, $148–$202 GPCI cash estimate), followed by CPT 20610 (Large Joint Synovial Arthrocentesis or Corticosteroid Injection, 539/yr) and CPT 96413 (Intravenous Biologic Infusion Therapy (First Hour), 385/yr).
Direct cash-pay transparency modeling sets Dr. Dang's baseline new-consult rate near $239.00 in Garden Grove, CA (cash-pay accepted, in-person clinic visits only, 9-minute average reception wait).
NPI registry verification (#1932162385) confirms Dr. David Dang's MD standing serving CBSA 92843 with a 4.84/5 patient scorecard.
Top 10% Rheumatology volume leader in Garden Grove, CA
4,080 annual services across 833 beneficiaries
Standard deviations from CA 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 | 1,180 | 99th | $148 – $202 |
| 20610 | Large Joint Synovial Arthrocentesis or Corticosteroid Injection | 539 | 99.5th | $117 – $160 |
| 96413 | Intravenous Biologic Infusion Therapy (First Hour) | 385 | 98th | $203 – $278 |
| 76881 | Complete Joint Synovitis High-Resolution Ultrasound | 257 | 99.5th | $154 – $211 |
| 99204 | New Patient Autoimmune & Rheumatology Diagnostic Workup | 205 | 94th | $203 – $278 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (12 HCPCS billing breadth) | 1,514 | 99th | $128 – $186 |
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Dr. David Dang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Dang National Provider Identifier | NPI #1932162385 (MD) | CMS NPPES Registry (92843) |
| Dr. Dang Garden Grove CMS Volume Rank | 99.00th Pct (4,080 CMS svcs; Z -0.460σ) | CMS Medicare Part B (CA Rheumatology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Garden Grove, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 9 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.86/5 Listening • 4.63/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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