Dr. Robert Sperling, MD
2 Bon Air Rd, #100, Larkspur, CA 94939 • +1-973-555-1056
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Larkspur Percentiles
NPI #1558351387 • CBSA Regional • Interventional Cardiology
Operating out of Larkspur, CA (2 Bon Air Rd, #100), Interventional Cardiology clinician Dr. Robert Sperling, MD (accredited MD/DO training, 2003) maintains a focused low-volume boutique caseload (33.33th Larkspur percentile) (69.26th CA percentile; Z-score +0.00σ across 4,109 documented services) with sub-specialty concentration in 63 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1558351387 highlights 1849 annual claims for 99214 (33.33th Larkspur percentile; $151–$207 self-pay corridor) plus 1068 encounters under 99213 and 534 under 93000.
Direct cash-pay transparency modeling sets Dr. Sperling's baseline new-consult rate near $239.00 in Larkspur, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 21-minute average reception wait).
Spanning 23 years of clinical practice following 2003 graduation from medical training, Dr. Robert Sperling integrates 63 Active CMS HCPCS Codes diagnostics for Larkspur metro patients.
Compared against Larkspur, CA Interventional Cardiology peers
4,109 annual services across 1,109 beneficiaries
Standard deviations from CA Interventional Cardiology 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 | 1,849 | 33.33th | $151 – $207 |
| 99213 | Established Preventive & Chronic Care Visit | 1,068 | 34.33th | $116 – $158 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 534 | 37.33th | $55 – $76 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 411 | 34.33th | $177 – $243 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 247 | 34.33th | $210 – $288 |
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Dr. Robert Sperling, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sperling National Provider Identifier | NPI #1558351387 (MD) | CMS NPPES Registry (94939) |
| Dr. Sperling Larkspur CMS Volume Rank | 33.33th Pct (4,109 CMS svcs; Z +0.001σ) | CMS Medicare Part B (CA Interventional Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Larkspur, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 21 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.63/5 Listening • 4.82/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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