Dr. Christine Chang, MD
100 Front St Fl 11, Worcester, MA 01608 • +1-643-555-8650
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Worcester Percentiles
NPI #1467441170 • CBSA Regional • Internal Medicine
Operating out of Worcester, MA (100 Front St Fl 11), Internal Medicine clinician Dr. Christine Chang, MD (accredited MD/DO training, 2001) maintains a top-decile high-throughput specialist (97.67th percentile in Worcester) (96.29th MA percentile; Z-score +0.89σ across 7,020 documented services) with sub-specialty concentration in 27 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 100 Front St Fl 11 shows Dr. Christine Chang's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 252x/yr, 97.67th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 146x/yr, $36–$51).
Direct cash-pay transparency modeling sets Dr. Chang's baseline new-consult rate near $224.00 in Worcester, MA (cash-pay accepted, in-person clinic visits only, 10-minute average reception wait).
Patients evaluating Dr. Christine Chang in ZIP 01608 note 25 years of post-doctoral tenure (null, 2001) alongside 31.3 annual CMS procedures per patient.
Top 10% Internal Medicine volume leader in Worcester, MA
7,020 annual services across 224 beneficiaries
Standard deviations from MA 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 | 252 | 97.67th | $47 – $64 |
| 99213 | Established Preventive & Chronic Care Visit | 146 | 97.67th | $36 – $51 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 73 | 92.67th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 56 | 93.67th | $55 – $75 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 34 | 99.5th | $65 – $89 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (27 HCPCS billing breadth) | 6,460 | 97.67th | $45 – $65 |
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Dr. Christine Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1467441170 (MD) | CMS NPPES Registry (01608) |
| Dr. Chang Worcester CMS Volume Rank | 97.67th Pct (7,020 CMS svcs; Z +0.891σ) | CMS Medicare Part B (MA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $224.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Worcester, MA) |
| Waiting-Room Wait Time & Cash Friendliness | $224.00 avg paid • 10 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.77/5 Listening • 4.89/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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