Dr. Mark Sullivan, MD
1234 Empire St, Fairfield, CA 94533 • +1-682-555-1394
Medical Education: Accredited U.S. Medical School (Class of 2006)
What This Doctor Actually Performs: CMS Medicare Utilization & Fairfield Percentiles
NPI #1871673723 • CBSA Regional • Family Practice
CMS Medicare Part B utilization records credit Dr. Mark Sullivan (MD, NPI 1871673723) at 1234 Empire St in Fairfield with 2,420 annual clinical services (561 beneficiaries), corresponding to a -0.04σ regional deviation and mid-cohort balanced caseload (60th Fairfield percentile) with sub-specialty concentration in 35 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 1234 Empire St shows Dr. Mark Sullivan's primary concentration in Comprehensive Primary Care & Chronic Protocol Management (code 99214: 940x/yr, 60th local percentile) alongside Focused Acute & Preventive Primary Care Evaluation (99213: 694x/yr, $134–$184).
Uninsured and high-deductible cash patients visiting Dr. Mark Sullivan in Fairfield (94533) face an estimated $239.00 initial evaluation fee at 1234 Empire St (hybrid in-clinic and telehealth video consults; 15-minute average reception wait; bedside manner 4.57/5 from 23 verified reports).
NPI registry verification (#1871673723) confirms Dr. Mark Sullivan's MD standing serving CBSA 94533 with a 4.52/5 patient scorecard.
Compared against Fairfield, CA Family Practice peers
2,420 annual services across 561 beneficiaries
Standard deviations from CA Family Practice mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Comprehensive Primary Care & Chronic Protocol Management | 940 | 60th | $175 – $240 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 694 | 55th | $134 – $184 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 269 | 60th | $201 – $276 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 202 | 62th | $38 – $53 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 134 | 57th | $241 – $330 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (35 HCPCS billing breadth) | 181 | 60th | $158 – $229 |
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Dr. Mark Sullivan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Sullivan National Provider Identifier | NPI #1871673723 (MD) | CMS NPPES Registry (94533) |
| Dr. Sullivan Fairfield CMS Volume Rank | 60.00th Pct (2,420 CMS svcs; Z -0.039σ) | CMS Medicare Part B (CA Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Fairfield, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 15 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.53/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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