Dr. Preston Ashby, DO
1955 W Frye Rd, Chandler, AZ 85224 • +1-842-555-6972
Medical Education: Accredited U.S. Medical School (Class of 2014)
What This Doctor Actually Performs: CMS Medicare Utilization & Chandler Percentiles
NPI #1992183198 • CBSA Regional • Internal Medicine
Operating out of Chandler, AZ (1955 W Frye Rd), Internal Medicine clinician Dr. Preston Ashby, DO (accredited MD/DO training, 2014) maintains a focused low-volume boutique caseload (20.45th Chandler percentile) (20.96th AZ percentile; Z-score -0.21σ across 819 documented services) with sub-specialty concentration in 12 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Preston Ashby (85224) place 99214 at the top of the practice ledger (369 yearly units, 20.45th metro rank), rounded out by 99213 and 93000.
Direct cash-pay transparency modeling sets Dr. Ashby's baseline new-consult rate near $207.00 in Chandler, AZ (cash-pay accepted, hybrid in-clinic and telehealth video consults, 11-minute average reception wait).
Spanning 12 years of clinical practice following 2014 graduation from medical training, Dr. Preston Ashby integrates 12 Active CMS HCPCS Codes diagnostics for Chandler metro patients.
Compared against Chandler, AZ Internal Medicine peers
819 annual services across 295 beneficiaries
Standard deviations from AZ 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 | 369 | 20.45th | $187 – $256 |
| 99213 | Established Preventive & Chronic Care Visit | 213 | 20.45th | $143 – $196 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 106 | 23.45th | $68 – $94 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 82 | 19.45th | $220 – $301 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 49 | 24.45th | $260 – $357 |
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Dr. Preston Ashby, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Ashby National Provider Identifier | NPI #1992183198 (DO) | CMS NPPES Registry (85224) |
| Dr. Ashby Chandler CMS Volume Rank | 20.45th Pct (819 CMS svcs; Z -0.212σ) | CMS Medicare Part B (AZ Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $207.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chandler, AZ) |
| Waiting-Room Wait Time & Cash Friendliness | $207.00 avg paid • 11 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.45/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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