Dr. Timothy Marra, DO
1110 N El Dorado Pl, Tucson, AZ 85715 • +1-617-555-4283
Medical Education: Accredited U.S. Medical School (Class of 2007)
What This Doctor Actually Performs: CMS Medicare Utilization & Tucson Percentiles
NPI #1154391332 • CBSA Regional • Ophthalmology
Operating out of Tucson, AZ (1110 N El Dorado Pl), Ophthalmology clinician Dr. Timothy Marra, DO (accredited MD/DO training, 2007) maintains a upper-quartile active clinical volume (66.1th Tucson percentile) (62.24th AZ percentile; Z-score -0.32σ across 3,969 documented services) with sub-specialty concentration in 23 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1110 N El Dorado Pl shows Dr. Timothy Marra's primary concentration in Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam (code 92014: 1469x/yr, 66.1th local percentile) alongside Scanning Computerized Ophthalmic Retinal OCT Imaging (92134: 1032x/yr, $83–$114).
At 1110 N El Dorado Pl (85715), Dr. Timothy Marra, DO accommodates direct self-pay scheduling (in-person clinic visits only) at ~$207.00 per new consult (4.60/5 bedside rating).
Patients evaluating Dr. Timothy Marra in ZIP 85715 note 19 years of post-doctoral tenure (null, 2007) alongside 4.2 annual CMS procedures per patient.
Compared against Tucson, AZ Ophthalmology peers
3,969 annual services across 955 beneficiaries
Standard deviations from AZ 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 | 1,469 | 66.1th | $152 – $208 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 1,032 | 66.1th | $83 – $114 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 675 | 62.1th | $100 – $137 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 476 | 71.1th | $182 – $250 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 318 | 69.1th | $668 – $915 |
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Dr. Timothy Marra, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marra National Provider Identifier | NPI #1154391332 (DO) | CMS NPPES Registry (85715) |
| Dr. Marra Tucson CMS Volume Rank | 66.10th Pct (3,969 CMS svcs; Z -0.317σ) | CMS Medicare Part B (AZ Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $207.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Tucson, AZ) |
| Waiting-Room Wait Time & Cash Friendliness | $207.00 avg paid • 12 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.60/5 Listening • 4.51/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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