Dr. Irene Dy, MD
20055 Lake Chabot Rd Ste 130, Castro Valley, CA 94546 • +1-450-555-9566
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Castro Valley Percentiles
NPI #1528393063 • CBSA Regional • Hematology-Oncology
Within the Castro Valley, CA (CBSA local) Hematology-Oncology cohort, Dr. Irene Dy, MD with sub-specialty concentration in 13 Active CMS HCPCS Codes ranks at the 0th municipal percentile and 0.71th CA percentile (-0.63σ Z-score) based on 656 billed procedures for 419 patients.
Granular CPT/HCPCS billing distribution at 20055 Lake Chabot Rd Ste 130 shows Dr. Irene Dy's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 295x/yr, 12th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 171x/yr, $129–$177).
Uninsured and high-deductible cash patients visiting Dr. Irene Dy in Castro Valley (94546) face an estimated $239.00 initial evaluation fee at 20055 Lake Chabot Rd Ste 130 (in-person clinic visits only; 13-minute average reception wait; bedside manner 4.73/5 from 3 verified reports).
Clinical background for Dr. Dy (MD, NPI #1528393063) includes accredited doctoral training (1998, 28 yrs in practice) and dedicated on-site consultations at 20055 Lake Chabot Rd Ste 130.
Compared against Castro Valley, CA Hematology-Oncology peers
656 annual services across 419 beneficiaries
Standard deviations from CA Hematology-Oncology 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 | 295 | 12th | $169 – $232 |
| 99213 | Established Preventive & Chronic Care Visit | 171 | 12th | $129 – $177 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 85 | 12th | $62 – $85 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 66 | 12th | $199 – $272 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 39 | 12th | $235 – $323 |
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Dr. Irene Dy, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Dy National Provider Identifier | NPI #1528393063 (MD) | CMS NPPES Registry (94546) |
| Dr. Dy Castro Valley CMS Volume Rank | 0.00th Pct (656 CMS svcs; Z -0.629σ) | CMS Medicare Part B (CA Hematology-Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Castro Valley, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 13 min lobby wait | 3 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.73/5 Listening • 4.55/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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