Dr. Justin Marasigan, DO
2241 Wankel Way Ste A, Oxnard, CA 93030 • +1-517-555-1043
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Oxnard Percentiles
NPI #1174714067 • CBSA Regional • Gastroenterology
Operating out of Oxnard, CA (2241 Wankel Way Ste A), Gastroenterology clinician Dr. Justin Marasigan, DO (accredited MD/DO training, 1999) maintains a focused low-volume boutique caseload (16.67th Oxnard percentile) (84.91th CA percentile; Z-score +0.14σ across 2,565 documented services) with sub-specialty concentration in 53 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Marasigan (averaging 4.4 services per beneficiary), 99214 (Established Gastroenterology, GERD & IBD Evaluation) represents 37% of tracked volume (949 encounters), paired with 45380 (641x).
For out-of-network patients contacting +1-517-555-1043, Dr. Marasigan's practice posts a $239.00 GPCI self-pay consult estimate ($239.00 patient-logged median, 4.61/5 composite reality score over 4 submissions).
Credentialed as an DO specialist with 27 years post-graduation experience since completing medical school at an LCME/COCA institution (1999), Dr. Marasigan coordinates 53 Active CMS HCPCS Codes workups from 2241 Wankel Way Ste A (+1-517-555-1043).
Compared against Oxnard, CA Gastroenterology peers
2,565 annual services across 589 beneficiaries
Standard deviations from CA Gastroenterology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Gastroenterology, GERD & IBD Evaluation | 949 | 16.67th | $166 – $228 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 641 | 18.67th | $401 – $549 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 539 | 12.67th | $333 – $456 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 257 | 16.67th | $446 – $611 |
| 99204 | New Patient Digestive & Hepatology Consultation | 180 | 15.67th | $234 – $321 |
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Dr. Justin Marasigan, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Marasigan National Provider Identifier | NPI #1174714067 (DO) | CMS NPPES Registry (93030) |
| Dr. Marasigan Oxnard CMS Volume Rank | 16.67th Pct (2,565 CMS svcs; Z +0.137σ) | CMS Medicare Part B (CA Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Oxnard, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.77/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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