Dr. Mariaileen Sourwine, MD
277 Peninsula Farm Rd Ste I, Arnold, MD 21012 • +1-255-555-4704
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Arnold Percentiles
NPI #1528227378 • CBSA Regional • Internal Medicine
Operating out of Arnold, MD (277 Peninsula Farm Rd Ste I), Internal Medicine clinician Dr. Mariaileen Sourwine, MD (accredited MD/DO training, 2000) maintains a mid-cohort balanced caseload (50th Arnold percentile) (76.89th MD percentile; Z-score -0.02σ across 3,094 documented services) with sub-specialty concentration in 56 Active CMS HCPCS Codes.
Among 6 tracked CMS fee-schedule codes for Dr. Sourwine (averaging 8.8 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 40% of tracked volume (1243 encounters), paired with 99213 (718x).
At 277 Peninsula Farm Rd Ste I (21012), Dr. Mariaileen Sourwine, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.92/5 bedside rating).
NPI registry verification (#1528227378) confirms Dr. Mariaileen Sourwine's MD standing serving CBSA 21012 with a 4.66/5 patient scorecard.
Compared against Arnold, MD Internal Medicine peers
3,094 annual services across 351 beneficiaries
Standard deviations from MD 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 | 1,243 | 50th | $107 – $146 |
| 99213 | Established Preventive & Chronic Care Visit | 718 | 55th | $82 – $112 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 359 | 52th | $39 – $54 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 276 | 49th | $125 – $172 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 166 | 49th | $148 – $203 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (56 HCPCS billing breadth) | 331 | 50th | $96 – $139 |
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Dr. Mariaileen Sourwine, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sourwine National Provider Identifier | NPI #1528227378 (MD) | CMS NPPES Registry (21012) |
| Dr. Sourwine Arnold CMS Volume Rank | 50.00th Pct (3,094 CMS svcs; Z -0.023σ) | CMS Medicare Part B (MD Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Arnold, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.92/5 Listening • 4.40/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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