Dr. Joy Carroll, MD
1128 Duff Avenue, Ames, IA 50010 • +1-494-555-9618
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Ames Percentiles
NPI #1649699141 • CBSA Regional • Ophthalmology
Statistical peer benchmarking across IA Ophthalmology providers positions Dr. Joy Carroll, MD in Ames at -0.38σ (16.67th city percentile / 37.93th state percentile, 790 Medicare beneficiaries), with clinical focus spanning 66 Active CMS HCPCS Codes.
Dr. Carroll's longitudinal care intensity (3.3 billed units per patient across 790 individuals) centers on 92014 (969 annual units) and 92134 ($99–$136 cash range).
For out-of-network patients contacting +1-494-555-9618, Dr. Carroll's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.79/5 composite reality score over 14 submissions).
NPI registry verification (#1649699141) confirms Dr. Joy Carroll's MD standing serving CBSA 50010 with a 4.79/5 patient scorecard.
Compared against Ames, IA Ophthalmology peers
2,618 annual services across 790 beneficiaries
Standard deviations from IA Ophthalmology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 92014 | Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam | 969 | 16.67th | $180 – $246 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 681 | 16.67th | $99 – $136 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 445 | 21.67th | $119 – $163 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 314 | 13.67th | $216 – $296 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 209 | 21.67th | $791 – $1084 |
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Dr. Joy Carroll, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Carroll National Provider Identifier | NPI #1649699141 (MD) | CMS NPPES Registry (50010) |
| Dr. Carroll Ames CMS Volume Rank | 16.67th Pct (2,618 CMS svcs; Z -0.379σ) | CMS Medicare Part B (IA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Ames, IA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 14 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.71/5 Listening • 4.88/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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