Dr. Sangbaek Oh, MD
311 Bay Ave, Mmg Gastroenterology, Glen Ridge, NJ 07028 • +1-946-555-2348
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Glen Ridge Percentiles
NPI #1578513131 • CBSA Regional • Gastroenterology
CMS Medicare Part B utilization records credit Dr. Sangbaek Oh (MD, NPI 1578513131) at 311 Bay Ave, Mmg Gastroenterology in Glen Ridge with 1,480 annual clinical services (447 beneficiaries), corresponding to a -0.26σ regional deviation and focused low-volume boutique caseload (25th Glen Ridge percentile) with sub-specialty concentration in 32 Active CMS HCPCS Codes.
Procedural volume for Dr. Oh is led by HCPCS 99214 (Established Gastroenterology, GERD & IBD Evaluation — 548 annual services, $181–$248 GPCI cash estimate), followed by CPT 45380 (Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy, 370/yr) and CPT 43239 (Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy, 311/yr).
Self-pay new patient consultations with Dr. Oh (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with in-person clinic visits only, 19-minute average reception wait, and a 4.69/5 modern protocol openness score across 21 patient logs.
Clinical background for Dr. Oh (MD, NPI #1578513131) includes accredited doctoral training (2016, 10 yrs in practice) and dedicated on-site consultations at 311 Bay Ave, Mmg Gastroenterology.
Compared against Glen Ridge, NJ Gastroenterology peers
1,480 annual services across 447 beneficiaries
Standard deviations from NJ 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 | 548 | 25th | $181 – $248 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 370 | 20th | $435 – $596 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 311 | 27th | $361 – $495 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 148 | 29th | $484 – $664 |
| 99204 | New Patient Digestive & Hepatology Consultation | 104 | 22th | $255 – $349 |
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Dr. Sangbaek Oh, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Oh National Provider Identifier | NPI #1578513131 (MD) | CMS NPPES Registry (07028) |
| Dr. Oh Glen Ridge CMS Volume Rank | 25.00th Pct (1,480 CMS svcs; Z -0.260σ) | CMS Medicare Part B (NJ Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Glen Ridge, NJ) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 19 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.63/5 Listening • 4.69/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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