Dr. Mark Singer, MD
3334 Sterling Ct, Napa, CA 94558 • +1-307-555-3788
Medical Education: Accredited U.S. Medical School (Class of 1996)
What This Doctor Actually Performs: CMS Medicare Utilization & Napa Percentiles
NPI #1962486332 • CBSA Regional • Internal Medicine
Statistical peer benchmarking across CA Internal Medicine providers positions Dr. Mark Singer, MD in Napa at -0.10σ (25th city percentile / 36.21th state percentile, 200 Medicare beneficiaries), with clinical focus spanning 18 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Mark Singer (94558) place 99214 at the top of the practice ledger (504 yearly units, 25th metro rank), rounded out by 99213 and 93000.
Self-pay new patient consultations with Dr. Singer (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with hybrid in-clinic and telehealth video consults, 21-minute average reception wait, and a 4.66/5 modern protocol openness score across 25 patient logs.
Clinical background for Dr. Singer (MD, NPI #1962486332) includes accredited doctoral training (1996, 30 yrs in practice) and virtual + in-office availability across CA.
Compared against Napa, CA Internal Medicine peers
1,140 annual services across 200 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 | 504 | 25th | $225 – $309 |
| 99213 | Established Preventive & Chronic Care Visit | 291 | 28th | $172 – $236 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 145 | 27th | $82 – $113 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 112 | 27th | $264 – $362 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 67 | 23th | $313 – $429 |
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Dr. Mark Singer, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Singer National Provider Identifier | NPI #1962486332 (MD) | CMS NPPES Registry (94558) |
| Dr. Singer Napa CMS Volume Rank | 25.00th Pct (1,140 CMS svcs; Z -0.095σ) | CMS Medicare Part B (CA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Napa, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.75/5 Listening • 4.66/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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