Dr. William Mollohan, DO
535 Fairway DR, Suite 107, Naperville, IL 60563 • +1-735-555-9659
Medical Education: Accredited U.S. Medical School (Class of 1992)
What This Doctor Actually Performs: CMS Medicare Utilization & Naperville Percentiles
NPI #1720006919 • CBSA Regional • Internal Medicine
Within the Naperville, IL (CBSA local) Internal Medicine cohort, Dr. William Mollohan, DO with sub-specialty concentration in 34 Active CMS HCPCS Codes ranks at the 18.18th municipal percentile and 27.39th IL percentile (-0.20σ Z-score) based on 959 billed procedures for 132 patients.
Dr. Mollohan's longitudinal care intensity (7.3 billed units per patient across 132 individuals) centers on 99214 (334 annual units) and 99213 ($519–$711 cash range).
At 535 Fairway DR, Suite 107 (60563), Dr. William Mollohan, DO accommodates direct self-pay scheduling (in-person clinic visits only) at ~$218.00 per new consult (4.66/5 bedside rating).
Spanning 34 years of clinical practice following 1992 graduation from medical training, Dr. William Mollohan integrates 34 Active CMS HCPCS Codes diagnostics for Naperville metro patients.
Compared against Naperville, IL Internal Medicine peers
959 annual services across 132 beneficiaries
Standard deviations from IL Internal Medicine 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 | 334 | 18.18th | $678 – $929 |
| 99213 | Established Preventive & Chronic Care Visit | 193 | 14.18th | $519 – $711 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 96 | 20.18th | $248 – $339 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 74 | 23.18th | $796 – $1091 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 45 | 16.18th | $943 – $1293 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (34 HCPCS billing breadth) | 217 | 18.18th | $612 – $887 |
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Dr. William Mollohan, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mollohan National Provider Identifier | NPI #1720006919 (DO) | CMS NPPES Registry (60563) |
| Dr. Mollohan Naperville CMS Volume Rank | 18.18th Pct (959 CMS svcs; Z -0.203σ) | CMS Medicare Part B (IL Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Naperville, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 15 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.66/5 Listening • 4.61/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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