Dr. Mazen Hashisho, MD
12555 Garden Grove Blvd Ste 403, Garden Grove, CA 92843 • +1-245-555-6312
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Garden Grove Percentiles
NPI #1255524427 • CBSA Regional • Vascular Surgery
CMS Medicare Part B utilization records credit Dr. Mazen Hashisho (MD, NPI 1255524427) at 12555 Garden Grove Blvd Ste 403 in Garden Grove with 3,545 annual clinical services (427 beneficiaries), corresponding to a +0.72σ regional deviation and top-decile high-throughput specialist (99th percentile in Garden Grove) with sub-specialty concentration in 113 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 12555 Garden Grove Blvd Ste 403 shows Dr. Mazen Hashisho's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 1504x/yr, 99th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 869x/yr, $569–$779).
Self-pay new patient consultations with Dr. Hashisho (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with hybrid in-clinic and telehealth video consults, 14-minute average reception wait, and a 4.52/5 modern protocol openness score across 22 patient logs.
Spanning 33 years of clinical practice following 1993 graduation from medical training, Dr. Mazen Hashisho integrates 113 Active CMS HCPCS Codes diagnostics for Garden Grove metro patients.
Top 10% Vascular Surgery volume leader in Garden Grove, CA
3,545 annual services across 427 beneficiaries
Standard deviations from CA Vascular Surgery 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 | 1,504 | 99th | $743 – $1019 |
| 99213 | Established Preventive & Chronic Care Visit | 869 | 96th | $569 – $779 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 435 | 99.5th | $271 – $372 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 334 | 98th | $873 – $1196 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 201 | 98th | $1034 – $1417 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (113 HCPCS billing breadth) | 202 | 99th | $670 – $972 |
Are you Dr. Mazen Hashisho? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Garden Grove, CA:
<a href="https://dotmd.com/doctors/mazen-hashisho-md-garden-grove-ca-1255524427" title="Dr. Mazen Hashisho, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1255524427.svg" alt="Dr. Mazen Hashisho Vascular Surgery Badge" width="280" height="72" /></a>
Dr. Mazen Hashisho, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hashisho National Provider Identifier | NPI #1255524427 (MD) | CMS NPPES Registry (92843) |
| Dr. Hashisho Garden Grove CMS Volume Rank | 99.00th Pct (3,545 CMS svcs; Z +0.716σ) | CMS Medicare Part B (CA Vascular Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Garden Grove, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 14 min lobby wait | 22 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.78/5 Listening • 4.52/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Mazen Hashisho
Dr. Hashisho Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Garden Grove, CA.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Mazen Hashisho community threads and patient logs by age, biological sex, dosage, and treatment duration.