Dr. Maristela Carreon, MD
410 E Yosemite Ave, Suite A, Merced, CA 95340 • +1-226-555-3160
Medical Education: Accredited U.S. Medical School (Class of 2015)
What This Doctor Actually Performs: CMS Medicare Utilization & Merced Percentiles
NPI #1376693952 • CBSA Regional • Internal Medicine
Operating out of Merced, CA (410 E Yosemite Ave, Suite A), Internal Medicine clinician Dr. Maristela Carreon, MD (accredited MD/DO training, 2015) maintains a focused low-volume boutique caseload (16.67th Merced percentile) (21.08th CA percentile; Z-score -0.10σ across 882 documented services) with sub-specialty concentration in 32 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 410 E Yosemite Ave, Suite A shows Dr. Maristela Carreon's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 397x/yr, 16.67th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 229x/yr, $110–$151).
Uninsured and high-deductible cash patients visiting Dr. Maristela Carreon in Merced (95340) face an estimated $239.00 initial evaluation fee at 410 E Yosemite Ave, Suite A (hybrid in-clinic and telehealth video consults; 21-minute average reception wait; bedside manner 4.74/5 from 11 verified reports).
Credentialed as an MD specialist with 11 years post-graduation experience since completing medical school at an LCME/COCA institution (2015), Dr. Carreon coordinates 32 Active CMS HCPCS Codes workups from 410 E Yosemite Ave, Suite A (+1-226-555-3160).
Compared against Merced, CA Internal Medicine peers
882 annual services across 181 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 | 397 | 16.67th | $144 – $198 |
| 99213 | Established Preventive & Chronic Care Visit | 229 | 12th | $110 – $151 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 115 | 12.67th | $53 – $72 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 88 | 16.67th | $169 – $232 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 53 | 16.67th | $201 – $275 |
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Dr. Maristela Carreon, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Carreon National Provider Identifier | NPI #1376693952 (MD) | CMS NPPES Registry (95340) |
| Dr. Carreon Merced CMS Volume Rank | 16.67th Pct (882 CMS svcs; Z -0.103σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Merced, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.74/5 Listening • 4.42/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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