Dr. Peter Chang, MD
1440 Main St, Ste 201, Waltham, MA 02451 • +1-533-555-9943
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Waltham Percentiles
NPI #1801107859 • CBSA Regional • Ophthalmology
Statistical peer benchmarking across MA Ophthalmology providers positions Dr. Peter Chang, MD in Waltham at +2.47σ (83.33th city percentile / 95.71th state percentile, 1,024 Medicare beneficiaries), with clinical focus spanning 99 Active CMS HCPCS Codes.
Dr. Chang's longitudinal care intensity (35.6 billed units per patient across 1024 individuals) centers on 92014 (2775 annual units) and 92134 ($72–$99 cash range).
For out-of-network patients contacting +1-533-555-9943, Dr. Chang's practice posts a $224.00 GPCI self-pay consult estimate ($224.00 patient-logged median, 4.62/5 composite reality score over 9 submissions).
Spanning 25 years of clinical practice following 2001 graduation from medical training, Dr. Peter Chang integrates 99 Active CMS HCPCS Codes diagnostics for Waltham metro patients.
Compared against Waltham, MA Ophthalmology peers
36,461 annual services across 1,024 beneficiaries
Standard deviations from MA 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 | 2,775 | 83.33th | $131 – $179 |
| 92134 | Scanning Computerized Ophthalmic Retinal OCT Imaging | 1,950 | 88.33th | $72 – $99 |
| 92083 | Extended Threshold Visual Field Glaucoma Perimetry | 1,275 | 83.33th | $87 – $119 |
| 92004 | New Patient Complete Medical Eye & IOP Evaluation | 900 | 83.33th | $158 – $216 |
| 66984 | Extracapsular Cataract Removal w/ Intraocular Lens Implant | 600 | 81.33th | $577 – $790 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (99 HCPCS billing breadth) | 28,960 | 83.33th | $115 – $167 |
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Dr. Peter Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1801107859 (MD) | CMS NPPES Registry (02451) |
| Dr. Chang Waltham CMS Volume Rank | 83.33th Pct (36,461 CMS svcs; Z +2.467σ) | CMS Medicare Part B (MA Ophthalmology) |
| Fair Cash-Pay New-Patient Benchmark | $224.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Waltham, MA) |
| Waiting-Room Wait Time & Cash Friendliness | $224.00 avg paid • 15 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.76/5 Listening • 4.50/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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