Dr. Michael Gershberg, MD
6840 Windsor Ave, Berwyn, IL 60402 • +1-364-555-7572
Medical Education: Accredited U.S. Medical School (Class of 2017)
What This Doctor Actually Performs: CMS Medicare Utilization & Berwyn Percentiles
NPI #1679576029 • CBSA Regional • Family Practice
Operating out of Berwyn, IL (6840 Windsor Ave), Family Practice clinician Dr. Michael Gershberg, MD (accredited MD/DO training, 2017) maintains a mid-cohort balanced caseload (60th Berwyn percentile) (57.09th IL percentile; Z-score -0.09σ across 1,538 documented services) with sub-specialty concentration in 49 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1679576029 highlights 561 annual claims for 99214 (60th Berwyn percentile; $134–$183 self-pay corridor) plus 414 encounters under 99213 and 160 under G0439.
Uninsured and high-deductible cash patients visiting Dr. Michael Gershberg in Berwyn (60402) face an estimated $218.00 initial evaluation fee at 6840 Windsor Ave (hybrid in-clinic and telehealth video consults; 15-minute average reception wait; bedside manner 4.64/5 from 7 verified reports).
Clinical background for Dr. Gershberg (MD, NPI #1679576029) includes accredited doctoral training (2017, 9 yrs in practice) and virtual + in-office availability across IL.
Compared against Berwyn, IL Family Practice peers
1,538 annual services across 231 beneficiaries
Standard deviations from IL Family Practice mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Comprehensive Primary Care & Chronic Protocol Management | 561 | 60th | $134 – $183 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 414 | 56th | $102 – $140 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 160 | 60th | $154 – $211 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 120 | 62th | $29 – $44 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 80 | 58th | $184 – $252 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (49 HCPCS billing breadth) | 203 | 60th | $121 – $175 |
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Dr. Michael Gershberg, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Gershberg National Provider Identifier | NPI #1679576029 (MD) | CMS NPPES Registry (60402) |
| Dr. Gershberg Berwyn CMS Volume Rank | 60.00th Pct (1,538 CMS svcs; Z -0.088σ) | CMS Medicare Part B (IL Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $218.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Berwyn, IL) |
| Waiting-Room Wait Time & Cash Friendliness | $218.00 avg paid • 15 min lobby wait | 7 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.64/5 Listening • 4.91/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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