Dr. Diane Ling, MD
1441 Eastlake Ave, Los Angeles, CA 90089 • +1-258-555-5134
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Los Angeles Percentiles
NPI #1093100927 • CBSA 31080 • Radiation Oncology
Dr. Diane Ling, MD (NPI #1093100927) practices Radiation Oncology in Los Angeles, CA (90089) with sub-specialty concentration in 31 Active CMS HCPCS Codes, recording 934 annual CMS services across 123 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (13.79th Los Angeles percentile) (-0.65σ vs CA state mean, 9.5th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Ling (averaging 7.6 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (420 encounters), paired with 99213 (243x).
Self-pay new patient consultations with Dr. Ling (CPT 99204 GPCI-adjusted benchmark) estimate around $231.00 (community reported average: $231.00) with in-person clinic visits only, 14-minute average reception wait, and a 4.81/5 modern protocol openness score across 12 patient logs.
Clinical background for Dr. Ling (MD, NPI #1093100927) includes accredited doctoral training (2016, 10 yrs in practice) and dedicated on-site consultations at 1441 Eastlake Ave.
Compared against Los Angeles, CA Radiation Oncology peers
934 annual services across 123 beneficiaries
Standard deviations from CA Radiation 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 | 420 | 13.79th | $165 – $226 |
| 99213 | Established Preventive & Chronic Care Visit | 243 | 12th | $126 – $173 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 121 | 17.79th | $60 – $82 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 93 | 12th | $193 – $265 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 56 | 12th | $229 – $314 |
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Dr. Diane Ling, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Ling National Provider Identifier | NPI #1093100927 (MD) | CMS NPPES Registry (90089) |
| Dr. Ling Los Angeles CMS Volume Rank | 13.79th Pct (934 CMS svcs; Z -0.649σ) | CMS Medicare Part B (CA Radiation Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $231.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Los Angeles, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $231.00 avg paid • 14 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.59/5 Listening • 4.81/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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