Dr. Devalingam Mahalingam, MD
645 N Michigan Ave Ste 1006, Chicago, IL 60611 • +1-630-555-7887
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Chicago Percentiles
NPI #1164650859 • CBSA 16980 • Hematology-Oncology
Within the Chicago, IL (CBSA 16980) Hematology-Oncology cohort, Dr. Devalingam Mahalingam, MD with sub-specialty concentration in 131 Active CMS HCPCS Codes ranks at the 79.31th municipal percentile and 69.68th IL percentile (+0.15σ Z-score) based on 90,056 billed procedures for 384 patients.
Among 6 tracked CMS fee-schedule codes for Dr. Mahalingam (averaging 234.5 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 1% of tracked volume (876 encounters), paired with 99213 (506x).
Direct cash-pay transparency modeling sets Dr. Mahalingam's baseline new-consult rate near $222.00 in Chicago, IL (cash-pay accepted, hybrid in-clinic and telehealth video consults, 13-minute average reception wait).
Clinical background for Dr. Mahalingam (MD, NPI #1164650859) includes accredited doctoral training (2003, 23 yrs in practice) and virtual + in-office availability across IL.
Compared against Chicago, IL Hematology-Oncology peers
90,056 annual services across 384 beneficiaries
Standard deviations from IL 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 | 876 | 79.31th | $49 – $67 |
| 99213 | Established Preventive & Chronic Care Visit | 506 | 84.31th | $37 – $52 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 253 | 79.31th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 195 | 81.31th | $57 – $79 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 117 | 80.31th | $68 – $93 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (131 HCPCS billing breadth) | 88,110 | 79.31th | $45 – $65 |
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Dr. Devalingam Mahalingam, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mahalingam National Provider Identifier | NPI #1164650859 (MD) | CMS NPPES Registry (60611) |
| Dr. Mahalingam Chicago CMS Volume Rank | 79.31th Pct (90,056 CMS svcs; Z +0.155σ) | CMS Medicare Part B (IL Hematology-Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $222.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chicago, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $222.00 avg paid • 13 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.69/5 Listening • 4.45/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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