Dr. Diane Mackenzie, DO
495 N 13th St, Newark, NJ 07107 • +1-557-555-1220
Medical Education: Accredited U.S. Medical School (Class of 2009)
What This Doctor Actually Performs: CMS Medicare Utilization & Newark Percentiles
NPI #1316931264 • CBSA Regional • Internal Medicine
Anchored in Newark, NJ 07107, Dr. Diane Mackenzie, DO (NPI 1316931264) logged 1,243 annual procedures (mid-cohort balanced caseload (52.94th Newark percentile), 39.73th NJ percentile, -0.24σ) with sub-specialty concentration in 10 Active CMS HCPCS Codes.
Dr. Mackenzie's longitudinal care intensity (2.2 billed units per patient across 572 individuals) centers on 99214 (552 annual units) and 99213 ($168–$230 cash range).
At 495 N 13th St (07107), Dr. Diane Mackenzie, DO accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.65/5 bedside rating).
From 495 N 13th St in Newark (+1-557-555-1220), Dr. Mackenzie, DO (17-year clinical track record) delivers 10 Active CMS HCPCS Codes care.
Compared against Newark, NJ Internal Medicine peers
1,243 annual services across 572 beneficiaries
Standard deviations from NJ 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 | 552 | 52.94th | $219 – $300 |
| 99213 | Established Preventive & Chronic Care Visit | 319 | 51.94th | $168 – $230 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 159 | 51.94th | $80 – $110 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 123 | 57.94th | $257 – $353 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 74 | 57.94th | $305 – $418 |
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Dr. Diane Mackenzie, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mackenzie National Provider Identifier | NPI #1316931264 (DO) | CMS NPPES Registry (07107) |
| Dr. Mackenzie Newark CMS Volume Rank | 52.94th Pct (1,243 CMS svcs; Z -0.238σ) | CMS Medicare Part B (NJ Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Newark, NJ) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 11 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.65/5 Listening • 4.73/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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