Dr. Joanne Mortimer, MD
1500 Duarte Rd, Duarte, CA 91010 • +1-838-555-2667
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Duarte Percentiles
NPI #1558319038 • CBSA Regional • Medical Oncology
Dr. Joanne Mortimer, MD (NPI #1558319038) practices Medical Oncology in Duarte, CA (91010) with sub-specialty concentration in 10 Active CMS HCPCS Codes, recording 787 annual CMS services across 293 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (0th Duarte percentile) (-0.55σ vs CA state mean, 6.13th statewide percentile).
Procedural volume for Dr. Mortimer is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 354 annual services, $202–$277 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 205/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 102/yr).
Cash-pay intake data for NPI 1558319038 (1500 Duarte Rd, Duarte) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 21-minute average reception wait and 4.58/5 biomarker openness.
Patients evaluating Dr. Joanne Mortimer in ZIP 91010 note 31 years of post-doctoral tenure (null, 1995) alongside 2.7 annual CMS procedures per patient.
Compared against Duarte, CA Medical Oncology peers
787 annual services across 293 beneficiaries
Standard deviations from CA Medical 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 | 354 | 12th | $202 – $277 |
| 99213 | Established Preventive & Chronic Care Visit | 205 | 12th | $155 – $212 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 102 | 12th | $74 – $101 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 79 | 12th | $237 – $325 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 47 | 12th | $281 – $385 |
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Dr. Joanne Mortimer, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mortimer National Provider Identifier | NPI #1558319038 (MD) | CMS NPPES Registry (91010) |
| Dr. Mortimer Duarte CMS Volume Rank | 0.00th Pct (787 CMS svcs; Z -0.553σ) | CMS Medicare Part B (CA Medical Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Duarte, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.61/5 Listening • 4.58/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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