Dr. John Marks, MD
100 E Lancaster Ave, Suite 330 Lankenau Mob West, Wynnewood, PA 19096 • +1-835-555-9524
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Wynnewood Percentiles
NPI #1346212594 • CBSA Regional • Colorectal Surgery (Proctology)
Operating out of Wynnewood, PA (100 E Lancaster Ave, Suite 330 Lankenau Mob West), Colorectal Surgery (Proctology) clinician Dr. John Marks, MD (accredited MD/DO training, 1994) maintains a focused low-volume boutique caseload (0th Wynnewood percentile) (40.74th PA percentile; Z-score -0.28σ across 883 documented services) with sub-specialty concentration in 74 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. John Marks (19096) place 99214 at the top of the practice ledger (397 yearly units, 12th metro rank), rounded out by 99213 and 93000.
At 100 E Lancaster Ave, Suite 330 Lankenau Mob West (19096), Dr. John Marks, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.94/5 bedside rating).
NPI registry verification (#1346212594) confirms Dr. John Marks's MD standing serving CBSA 19096 with a 4.93/5 patient scorecard.
Compared against Wynnewood, PA Colorectal Surgery (Proctology) peers
883 annual services across 370 beneficiaries
Standard deviations from PA Colorectal Surgery (Proctology) 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 | 397 | 12th | $353 – $484 |
| 99213 | Established Preventive & Chronic Care Visit | 230 | 12th | $270 – $370 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 115 | 12th | $129 – $177 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 88 | 12th | $414 – $568 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 53 | 12th | $491 – $673 |
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Dr. John Marks, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marks National Provider Identifier | NPI #1346212594 (MD) | CMS NPPES Registry (19096) |
| Dr. Marks Wynnewood CMS Volume Rank | 0.00th Pct (883 CMS svcs; Z -0.279σ) | CMS Medicare Part B (PA Colorectal Surgery (Proctology)) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Wynnewood, PA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 18 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.94/5 Listening • 4.64/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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