Dr. Douglas Gellerman, MD
7320 Woodlake Ave, Suite 190, West Hills, CA 91307 • +1-650-555-9665
Medical Education: Accredited U.S. Medical School (Class of 2012)
What This Doctor Actually Performs: CMS Medicare Utilization & West Hills Percentiles
NPI #1639181530 • CBSA Regional • Ophthalmology
Within the West Hills, CA (CBSA local) Ophthalmology cohort, Dr. Douglas Gellerman, MD with sub-specialty concentration in 23 Active CMS HCPCS Codes ranks at the 0th municipal percentile and 14.9th CA percentile (-0.41σ Z-score) based on 1,185 billed procedures for 410 patients.
Procedural volume for Dr. Gellerman is led by HCPCS 92014 (Comprehensive Ophthalmologic Slit-Lamp & Dilated Retinal Exam — 438 annual services, $168–$231 GPCI cash estimate), followed by CPT 92134 (Scanning Computerized Ophthalmic Retinal OCT Imaging, 308/yr) and CPT 92083 (Extended Threshold Visual Field Glaucoma Perimetry, 201/yr).
Cash-pay intake data for NPI 1639181530 (7320 Woodlake Ave, Suite 190, West Hills) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 18-minute average reception wait and 4.81/5 biomarker openness.
Patients evaluating Dr. Douglas Gellerman in ZIP 91307 note 14 years of post-doctoral tenure (null, 2012) alongside 2.9 annual CMS procedures per patient.
Compared against West Hills, CA Ophthalmology peers
1,185 annual services across 410 beneficiaries
Standard deviations from CA 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 | 438 | 12th | $168 – $231 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 308 | 12th | $93 – $127 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 201 | 12th | $111 – $152 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 142 | 12th | $202 – $277 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 95 | 12th | $741 – $1016 |
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Dr. Douglas Gellerman, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Gellerman National Provider Identifier | NPI #1639181530 (MD) | CMS NPPES Registry (91307) |
| Dr. Gellerman West Hills CMS Volume Rank | 0.00th Pct (1,185 CMS svcs; Z -0.406σ) | CMS Medicare Part B (CA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (West Hills, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 18 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.89/5 Listening • 4.81/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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