Dr. Amy Bui, MD
26800 Crown Valley Pkwy, Suite 230, Mission Viejo, CA 92691 • +1-852-555-5704
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Mission Viejo Percentiles
NPI #1013027838 • CBSA Regional • Endocrinology
CMS Medicare Part B utilization records credit Dr. Amy Bui (MD, NPI 1013027838) at 26800 Crown Valley Pkwy, Suite 230 in Mission Viejo with 1,356 annual clinical services (243 beneficiaries), corresponding to a -0.54σ regional deviation and focused low-volume boutique caseload (20th Mission Viejo percentile) with sub-specialty concentration in 46 Active CMS HCPCS Codes.
Procedural volume for Dr. Bui is led by HCPCS 99214 (Complex Endocrine, Thyroid & Metabolic Biomarker Management — 597 annual services, $138–$189 GPCI cash estimate), followed by CPT 95251 (Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis, 298/yr) and CPT 76536 (High-Resolution Thyroid & Parathyroid Neck Ultrasound, 217/yr).
For out-of-network patients contacting +1-852-555-5704, Dr. Bui's practice posts a $239.00 GPCI self-pay consult estimate ($239.00 patient-logged median, 4.84/5 composite reality score over 23 submissions).
Patients evaluating Dr. Amy Bui in ZIP 92691 note 32 years of post-doctoral tenure (null, 1994) alongside 5.6 annual CMS procedures per patient.
Compared against Mission Viejo, CA Endocrinology peers
1,356 annual services across 243 beneficiaries
Standard deviations from CA Endocrinology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Complex Endocrine, Thyroid & Metabolic Biomarker Management | 597 | 20th | $138 – $189 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 298 | 20th | $86 – $118 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 217 | 23th | $166 – $228 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 163 | 19th | $189 – $259 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 81 | 16th | $212 – $291 |
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Dr. Amy Bui, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Bui National Provider Identifier | NPI #1013027838 (MD) | CMS NPPES Registry (92691) |
| Dr. Bui Mission Viejo CMS Volume Rank | 20.00th Pct (1,356 CMS svcs; Z -0.544σ) | CMS Medicare Part B (CA Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Mission Viejo, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 11 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.60/5 Listening • 4.43/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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