Dr. Rex Manayan, MD
3333 Concours Ste 100, Ontario, CA 91764 • +1-752-555-6271
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Ontario Percentiles
NPI #1649278599 • CBSA Regional • General Surgery
Operating out of Ontario, CA (3333 Concours Ste 100), General Surgery clinician Dr. Rex Manayan, MD (accredited MD/DO training, 1995) maintains a top-decile high-throughput specialist (99th percentile in Ontario) (77.14th CA percentile; Z-score -0.06σ across 2,149 documented services) with sub-specialty concentration in 11 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Manayan (averaging 13.3 services per beneficiary), 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up) represents 45% of tracked volume (967 encounters), paired with 99213 (559x).
At 3333 Concours Ste 100 (91764), Dr. Rex Manayan, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$239.00 per new consult (4.72/5 bedside rating).
Clinical background for Dr. Manayan (MD, NPI #1649278599) includes accredited doctoral training (1995, 31 yrs in practice) and dedicated on-site consultations at 3333 Concours Ste 100.
Top 10% General Surgery volume leader in Ontario, CA
2,149 annual services across 162 beneficiaries
Standard deviations from CA General 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 | 967 | 99th | $743 – $1019 |
| 99213 | Established Preventive & Chronic Care Visit | 559 | 97th | $569 – $779 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 279 | 99.5th | $271 – $372 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 215 | 94th | $873 – $1196 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 129 | 94th | $1034 – $1417 |
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Dr. Rex Manayan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Manayan National Provider Identifier | NPI #1649278599 (MD) | CMS NPPES Registry (91764) |
| Dr. Manayan Ontario CMS Volume Rank | 99.00th Pct (2,149 CMS svcs; Z -0.055σ) | CMS Medicare Part B (CA General Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Ontario, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 10 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.72/5 Listening • 4.59/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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