Dr. Ian Deroock, MD
695 S Dobson Rd, Chandler, AZ 85224 • +1-842-555-4646
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Chandler Percentiles
NPI #1114900479 • CBSA Regional • Hematology-Oncology
Dr. Ian Deroock, MD (NPI #1114900479) practices Hematology-Oncology in Chandler, AZ (85224) with sub-specialty concentration in 109 Active CMS HCPCS Codes, recording 145,821 annual CMS services across 585 distinct beneficiaries—placing this practice as a mid-cohort balanced caseload (44.44th Chandler percentile) (+0.51σ vs AZ state mean, 75.71th statewide percentile).
Granular CPT/HCPCS billing distribution at 695 S Dobson Rd shows Dr. Ian Deroock's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 1089x/yr, 44.44th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 629x/yr, $33–$48).
Uninsured and high-deductible cash patients visiting Dr. Ian Deroock in Chandler (85224) face an estimated $207.00 initial evaluation fee at 695 S Dobson Rd (hybrid in-clinic and telehealth video consults; 14-minute average reception wait; bedside manner 4.55/5 from 8 verified reports).
Patients evaluating Dr. Ian Deroock in ZIP 85224 note 32 years of post-doctoral tenure (null, 1994) alongside 249.3 annual CMS procedures per patient.
Compared against Chandler, AZ Hematology-Oncology peers
145,821 annual services across 585 beneficiaries
Standard deviations from AZ 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 | 1,089 | 44.44th | $43 – $59 |
| 99213 | Established Preventive & Chronic Care Visit | 629 | 45.44th | $33 – $48 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 315 | 45.44th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 242 | 46.44th | $51 – $69 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 145 | 45.44th | $60 – $82 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (109 HCPCS billing breadth) | 143,401 | 44.44th | $45 – $65 |
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Dr. Ian Deroock, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Deroock National Provider Identifier | NPI #1114900479 (MD) | CMS NPPES Registry (85224) |
| Dr. Deroock Chandler CMS Volume Rank | 44.44th Pct (145,821 CMS svcs; Z +0.511σ) | CMS Medicare Part B (AZ Hematology-Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $207.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chandler, AZ) |
| Waiting-Room Wait Time & Cash Friendliness | $207.00 avg paid • 14 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.51/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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