Dr. Mohammad Shahin, MD
21634 Retreat Pkwy, Corona, CA 92883 • +1-478-555-9230
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Corona Percentiles
NPI #1053393959 • CBSA Regional • Internal Medicine
CMS Medicare Part B utilization records credit Dr. Mohammad Shahin (MD, NPI 1053393959) at 21634 Retreat Pkwy in Corona with 880 annual clinical services (207 beneficiaries), corresponding to a -0.10σ regional deviation and mid-cohort balanced caseload (39.13th Corona percentile) with sub-specialty concentration in 40 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 21634 Retreat Pkwy shows Dr. Mohammad Shahin's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 356x/yr, 39.13th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 205x/yr, $138–$189).
Cash-pay intake data for NPI 1053393959 (21634 Retreat Pkwy, Corona) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 11-minute average reception wait and 4.59/5 biomarker openness.
Credentialed as an MD specialist with 25 years post-graduation experience since completing medical school at an LCME/COCA institution (2001), Dr. Shahin coordinates 40 Active CMS HCPCS Codes workups from 21634 Retreat Pkwy (+1-478-555-9230).
Compared against Corona, CA Internal Medicine peers
880 annual services across 207 beneficiaries
Standard deviations from CA Internal Medicine 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 | 356 | 39.13th | $180 – $247 |
| 99213 | Established Preventive & Chronic Care Visit | 205 | 36.13th | $138 – $189 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 103 | 39.13th | $66 – $90 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 79 | 38.13th | $212 – $290 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 47 | 40.13th | $251 – $344 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (40 HCPCS billing breadth) | 90 | 39.13th | $163 – $236 |
Are you Dr. Mohammad Shahin? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Corona, CA:
<a href="https://dotmd.com/doctors/mohammad-shahin-md-corona-ca-1053393959" title="Dr. Mohammad Shahin, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1053393959.svg" alt="Dr. Mohammad Shahin Internal Medicine Badge" width="280" height="72" /></a>
Dr. Mohammad Shahin, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Shahin National Provider Identifier | NPI #1053393959 (MD) | CMS NPPES Registry (92883) |
| Dr. Shahin Corona CMS Volume Rank | 39.13th Pct (880 CMS svcs; Z -0.103σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Corona, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 11 min lobby wait | 15 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.74/5 Listening • 4.59/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Mohammad Shahin
Other High-Volume Internal Medicine Specialists in Corona, CA
Ranked strictly by CMS Medicare volumeDr. Shahin Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Corona, CA.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Mohammad Shahin community threads and patient logs by age, biological sex, dosage, and treatment duration.