Dr. Robert Holbrook, MD
1515 N Porter Ave, Suite 200, Norman, OK 73071 • +1-865-555-7645
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Norman Percentiles
NPI #1053352054 • CBSA Regional • Gastroenterology
Dr. Robert Holbrook, MD (NPI #1053352054) practices Gastroenterology in Norman, OK (73071) with sub-specialty concentration in 32 Active CMS HCPCS Codes, recording 1,387 annual CMS services across 560 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (20th Norman percentile) (-0.43σ vs OK state mean, 53.85th statewide percentile).
Procedural volume for Dr. Holbrook is led by HCPCS 99214 (Established Gastroenterology, GERD & IBD Evaluation — 513 annual services, $125–$171 GPCI cash estimate), followed by CPT 45380 (Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy, 347/yr) and CPT 43239 (Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy, 291/yr).
Direct cash-pay transparency modeling sets Dr. Holbrook's baseline new-consult rate near $209.00 in Norman, OK (cash-pay accepted, hybrid in-clinic and telehealth video consults, 18-minute average reception wait).
NPI registry verification (#1053352054) confirms Dr. Robert Holbrook's MD standing serving CBSA 73071 with a 4.77/5 patient scorecard.
Compared against Norman, OK Gastroenterology peers
1,387 annual services across 560 beneficiaries
Standard deviations from OK 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 | 513 | 20th | $125 – $171 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 347 | 18th | $301 – $412 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 291 | 22th | $249 – $342 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 139 | 15th | $335 – $458 |
| 99204 | New Patient Digestive & Hepatology Consultation | 97 | 19th | $176 – $241 |
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Dr. Robert Holbrook, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Holbrook National Provider Identifier | NPI #1053352054 (MD) | CMS NPPES Registry (73071) |
| Dr. Holbrook Norman CMS Volume Rank | 20.00th Pct (1,387 CMS svcs; Z -0.433σ) | CMS Medicare Part B (OK Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Norman, OK) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 18 min lobby wait | 20 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.84/5 Listening • 4.62/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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