Dr. Marlon Decastro, MD
500 Doyle Park DR, Ste. 303, Santa Rosa, CA 95405 • +1-911-555-3177
Medical Education: Accredited U.S. Medical School (Class of 2010)
What This Doctor Actually Performs: CMS Medicare Utilization & Santa Rosa Percentiles
NPI #1780643270 • CBSA Regional • Internal Medicine
CMS Medicare Part B utilization records credit Dr. Marlon Decastro (MD, NPI 1780643270) at 500 Doyle Park DR, Ste. 303 in Santa Rosa with 2,927 annual clinical services (461 beneficiaries), corresponding to a -0.04σ regional deviation and mid-cohort balanced caseload (60.87th Santa Rosa percentile) with sub-specialty concentration in 43 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1780643270 highlights 780 annual claims for 99214 (60.87th Santa Rosa percentile; $129–$177 self-pay corridor) plus 451 encounters under 99213 and 225 under 93000.
For out-of-network patients contacting +1-911-555-3177, Dr. Decastro's practice posts a $239.00 GPCI self-pay consult estimate ($239.00 patient-logged median, 4.59/5 composite reality score over 6 submissions).
Clinical background for Dr. Decastro (MD, NPI #1780643270) includes accredited doctoral training (2010, 16 yrs in practice) and dedicated on-site consultations at 500 Doyle Park DR, Ste. 303.
Compared against Santa Rosa, CA Internal Medicine peers
2,927 annual services across 461 beneficiaries
Standard deviations from CA 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 | 780 | 60.87th | $129 – $177 |
| 99213 | Established Preventive & Chronic Care Visit | 451 | 59.87th | $99 – $135 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 225 | 57.87th | $47 – $65 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 173 | 57.87th | $152 – $208 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 104 | 56.87th | $180 – $246 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (43 HCPCS billing breadth) | 1,193 | 60.87th | $116 – $168 |
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Dr. Marlon Decastro, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Decastro National Provider Identifier | NPI #1780643270 (MD) | CMS NPPES Registry (95405) |
| Dr. Decastro Santa Rosa CMS Volume Rank | 60.87th Pct (2,927 CMS svcs; Z -0.042σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Santa Rosa, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 14 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.64/5 Listening • 4.42/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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