Dr. Stephen Nguyen, MD
29798 Haun Rd Ste 206, Sun City, CA 92586 • +1-498-555-4621
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Sun City Percentiles
NPI #1619976644 • CBSA Regional • Internal Medicine
Dr. Stephen Nguyen, MD (NPI #1619976644) practices Internal Medicine in Sun City, CA (92586) with sub-specialty concentration in 72 Active CMS HCPCS Codes, recording 13,212 annual CMS services across 675 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (80th Sun City percentile) (+0.26σ vs CA state mean, 95.54th statewide percentile).
Granular CPT/HCPCS billing distribution at 29798 Haun Rd Ste 206 shows Dr. Stephen Nguyen's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 4594x/yr, 80th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 2654x/yr, $56–$77).
For out-of-network patients contacting +1-498-555-4621, Dr. Nguyen's practice posts a $239.00 GPCI self-pay consult estimate ($239.00 patient-logged median, 4.57/5 composite reality score over 8 submissions).
Patients evaluating Dr. Stephen Nguyen in ZIP 92586 note 29 years of post-doctoral tenure (null, 1997) alongside 19.6 annual CMS procedures per patient.
Compared against Sun City, CA Internal Medicine peers
13,212 annual services across 675 beneficiaries
Standard deviations from CA 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 | 4,594 | 80th | $73 – $100 |
| 99213 | Established Preventive & Chronic Care Visit | 2,654 | 85th | $56 – $77 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 1,327 | 80th | $27 – $42 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 1,021 | 76th | $86 – $118 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 613 | 82th | $102 – $140 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (72 HCPCS billing breadth) | 3,003 | 80th | $66 – $96 |
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Dr. Stephen Nguyen, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Nguyen National Provider Identifier | NPI #1619976644 (MD) | CMS NPPES Registry (92586) |
| Dr. Nguyen Sun City CMS Volume Rank | 80.00th Pct (13,212 CMS svcs; Z +0.261σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Sun City, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 16 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.85/5 Listening • 4.64/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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