Dr. Grace Stonerock, MD
10696 Crestwood DR Ste B, Manassas, VA 20109 • +1-949-555-2169
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Manassas Percentiles
NPI #1629234489 • CBSA Regional • Family Practice
Operating out of Manassas, VA (10696 Crestwood DR Ste B), Family Practice clinician Dr. Grace Stonerock, MD (accredited MD/DO training, 2005) maintains a upper-quartile active clinical volume (75th Manassas percentile) (47.24th VA percentile; Z-score -0.11σ across 1,565 documented services) with sub-specialty concentration in 38 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 10696 Crestwood DR Ste B shows Dr. Grace Stonerock's primary concentration in Comprehensive Primary Care & Chronic Protocol Management (code 99214: 578x/yr, 75th local percentile) alongside Focused Acute & Preventive Primary Care Evaluation (99213: 427x/yr, $98–$134).
Self-pay new patient consultations with Dr. Stonerock (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 16-minute average reception wait, and a 4.86/5 modern protocol openness score across 16 patient logs.
Patients evaluating Dr. Grace Stonerock in ZIP 20109 note 21 years of post-doctoral tenure (null, 2005) alongside 6.0 annual CMS procedures per patient.
Compared against Manassas, VA Family Practice peers
1,565 annual services across 262 beneficiaries
Standard deviations from VA 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 | 578 | 75th | $128 – $175 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 427 | 76th | $98 – $134 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 165 | 80th | $146 – $201 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 124 | 71th | $28 – $43 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 83 | 71th | $175 – $240 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (38 HCPCS billing breadth) | 189 | 75th | $115 – $167 |
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Dr. Grace Stonerock, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Stonerock National Provider Identifier | NPI #1629234489 (MD) | CMS NPPES Registry (20109) |
| Dr. Stonerock Manassas CMS Volume Rank | 75.00th Pct (1,565 CMS svcs; Z -0.109σ) | CMS Medicare Part B (VA Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Manassas, VA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 16 min lobby wait | 16 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.92/5 Listening • 4.86/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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