Dr. Ralph Peterson, MD
10520 Macarthur Blvd, Oakland, CA 94605 • +1-223-555-8771
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Oakland Percentiles
NPI #1851311104 • CBSA Regional • Gastroenterology
CMS Medicare Part B utilization records credit Dr. Ralph Peterson (MD, NPI 1851311104) at 10520 Macarthur Blvd in Oakland with 1,048 annual clinical services (271 beneficiaries), corresponding to a -0.26σ regional deviation and upper-quartile active clinical volume (71.43th Oakland percentile) with sub-specialty concentration in 12 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 10520 Macarthur Blvd shows Dr. Ralph Peterson's primary concentration in Established Gastroenterology, GERD & IBD Evaluation (code 99214: 388x/yr, 71.43th local percentile) alongside Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy (45380: 262x/yr, $683–$936).
Uninsured and high-deductible cash patients visiting Dr. Ralph Peterson in Oakland (94605) face an estimated $239.00 initial evaluation fee at 10520 Macarthur Blvd (hybrid in-clinic and telehealth video consults; 11-minute average reception wait; bedside manner 4.65/5 from 17 verified reports).
Patients evaluating Dr. Ralph Peterson in ZIP 94605 note 23 years of post-doctoral tenure (null, 2003) alongside 3.9 annual CMS procedures per patient.
Compared against Oakland, CA Gastroenterology peers
1,048 annual services across 271 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 | 388 | 71.43th | $283 – $388 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 262 | 74.43th | $683 – $936 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 220 | 76.43th | $567 – $777 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 105 | 72.43th | $760 – $1042 |
| 99204 | New Patient Digestive & Hepatology Consultation | 73 | 72.43th | $399 – $547 |
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Dr. Ralph Peterson, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Peterson National Provider Identifier | NPI #1851311104 (MD) | CMS NPPES Registry (94605) |
| Dr. Peterson Oakland CMS Volume Rank | 71.43th Pct (1,048 CMS svcs; Z -0.259σ) | CMS Medicare Part B (CA Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Oakland, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 11 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.65/5 Listening • 4.57/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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