Dr. Mazen Najjar, MD
4644 Genesys Pkwy, Grand Blanc, MI 48439 • +1-734-555-3021
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Grand Blanc Percentiles
NPI #1245342393 • CBSA Regional • Infectious Disease
Within the Grand Blanc, MI (CBSA local) Infectious Disease cohort, Dr. Mazen Najjar, MD with sub-specialty concentration in 12 Active CMS HCPCS Codes ranks at the 0th municipal percentile and 47.06th MI percentile (-0.23σ Z-score) based on 2,352 billed procedures for 454 patients.
Granular CPT/HCPCS billing distribution at 4644 Genesys Pkwy shows Dr. Mazen Najjar's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 1058x/yr, 12th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 612x/yr, $102–$140).
Self-pay new patient consultations with Dr. Najjar (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with in-person clinic visits only, 20-minute average reception wait, and a 4.47/5 modern protocol openness score across 12 patient logs.
Clinical background for Dr. Najjar (MD, NPI #1245342393) includes accredited doctoral training (2016, 10 yrs in practice) and dedicated on-site consultations at 4644 Genesys Pkwy.
Compared against Grand Blanc, MI Infectious Disease peers
2,352 annual services across 454 beneficiaries
Standard deviations from MI Infectious Disease 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 | 1,058 | 12th | $133 – $183 |
| 99213 | Established Preventive & Chronic Care Visit | 612 | 12th | $102 – $140 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 306 | 12th | $49 – $67 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 235 | 12th | $156 – $214 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 141 | 12th | $185 – $254 |
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Dr. Mazen Najjar, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Najjar National Provider Identifier | NPI #1245342393 (MD) | CMS NPPES Registry (48439) |
| Dr. Najjar Grand Blanc CMS Volume Rank | 0.00th Pct (2,352 CMS svcs; Z -0.228σ) | CMS Medicare Part B (MI Infectious Disease) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Grand Blanc, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 20 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.65/5 Listening • 4.47/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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