Dr. Mary Ann Mcmahon, MD
2339 Route 70 W Ste 200, Cherry Hill, NJ 08002 • +1-634-555-9753
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Cherry Hill Percentiles
NPI #1699773416 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across NJ Internal Medicine providers positions Dr. Mary Ann Mcmahon, MD in Cherry Hill at -0.33σ (7.41th city percentile / 2.16th state percentile, 212 Medicare beneficiaries), with clinical focus spanning 26 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1699773416 highlights 247 annual claims for 99214 (12th Cherry Hill percentile; $186–$255 self-pay corridor) plus 143 encounters under 99213 and 71 under 93000.
Direct cash-pay transparency modeling sets Dr. Mcmahon's baseline new-consult rate near $209.00 in Cherry Hill, NJ (cash-pay accepted, hybrid in-clinic and telehealth video consults, 10-minute average reception wait).
Clinical background for Dr. Mcmahon (MD, NPI #1699773416) includes accredited doctoral training (2003, 23 yrs in practice) and virtual + in-office availability across NJ.
Compared against Cherry Hill, NJ Internal Medicine peers
649 annual services across 212 beneficiaries
Standard deviations from NJ 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 | 247 | 12th | $186 – $255 |
| 99213 | Established Preventive & Chronic Care Visit | 143 | 12th | $142 – $195 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 71 | 12th | $68 – $93 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 55 | 12th | $218 – $299 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 33 | 12th | $258 – $354 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (26 HCPCS billing breadth) | 100 | 7.41th | $168 – $244 |
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Dr. Mary Ann Mcmahon, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mcmahon National Provider Identifier | NPI #1699773416 (MD) | CMS NPPES Registry (08002) |
| Dr. Mcmahon Cherry Hill CMS Volume Rank | 7.41th Pct (649 CMS svcs; Z -0.334σ) | CMS Medicare Part B (NJ Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Cherry Hill, NJ) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 10 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.90/5 Listening • 4.65/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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