Dr. Summaiya Muhammad, MD
20103 Lake Chabot Rd, Castro Valley, CA 94546 • +1-450-555-3602
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Castro Valley Percentiles
NPI #1841454535 • CBSA Regional • Internal Medicine
Within the Castro Valley, CA (CBSA local) Internal Medicine cohort, Dr. Summaiya Muhammad, MD with sub-specialty concentration in 7 Active CMS HCPCS Codes ranks at the 50th municipal percentile and 31.03th CA percentile (-0.10σ Z-score) based on 1,030 billed procedures for 451 patients.
Fee-schedule auditing of NPI 1841454535 highlights 464 annual claims for 99214 (50th Castro Valley percentile; $228–$312 self-pay corridor) plus 268 encounters under 99213 and 134 under 93000.
Cash-pay intake data for NPI 1841454535 (20103 Lake Chabot Rd, Castro Valley) indicates $239.00 typical out-of-pocket visit spend against a $239.00 locality benchmark, paired with 10-minute average reception wait and 4.86/5 biomarker openness.
Patients evaluating Dr. Summaiya Muhammad in ZIP 94546 note 25 years of post-doctoral tenure (null, 2001) alongside 2.3 annual CMS procedures per patient.
Compared against Castro Valley, CA Internal Medicine peers
1,030 annual services across 451 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 | 464 | 50th | $228 – $312 |
| 99213 | Established Preventive & Chronic Care Visit | 268 | 47th | $174 – $239 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 134 | 47th | $83 – $114 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 103 | 48th | $267 – $366 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 62 | 49th | $317 – $434 |
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Dr. Summaiya Muhammad, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Muhammad National Provider Identifier | NPI #1841454535 (MD) | CMS NPPES Registry (94546) |
| Dr. Muhammad Castro Valley CMS Volume Rank | 50.00th Pct (1,030 CMS svcs; Z -0.098σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Castro Valley, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 10 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.62/5 Listening • 4.86/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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