Dr. Mark O'brien, DO
1280 S 9th St, Saint Clair, MI 48079 • +1-324-555-6291
Medical Education: Accredited U.S. Medical School (Class of 1996)
What This Doctor Actually Performs: CMS Medicare Utilization & Saint Clair Percentiles
NPI #1255322509 • CBSA Regional • Family Practice
Dr. Mark O'brien, DO (NPI #1255322509) practices Family Practice in Saint Clair, MI (48079) with sub-specialty concentration in 30 Active CMS HCPCS Codes, recording 630 annual CMS services across 111 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (0th Saint Clair percentile) (-0.52σ vs MI state mean, 0.58th statewide percentile).
Among 6 tracked CMS fee-schedule codes for Dr. O'brien (averaging 5.7 services per beneficiary), 99214 (Comprehensive Primary Care & Chronic Protocol Management) represents 30% of tracked volume (187 encounters), paired with 99213 (138x).
Self-pay new patient consultations with Dr. O'brien (CPT 99204 GPCI-adjusted benchmark) estimate around $209.00 (community reported average: $209.00) with hybrid in-clinic and telehealth video consults, 17-minute average reception wait, and a 4.87/5 modern protocol openness score across 25 patient logs.
Clinical background for Dr. O'brien (DO, NPI #1255322509) includes accredited doctoral training (1996, 30 yrs in practice) and virtual + in-office availability across MI.
Compared against Saint Clair, MI Family Practice peers
630 annual services across 111 beneficiaries
Standard deviations from MI 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 | 187 | 12th | $67 – $92 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 138 | 12th | $51 – $70 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 54 | 12th | $77 – $105 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 40 | 12th | $25 – $40 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 27 | 12th | $92 – $126 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (30 HCPCS billing breadth) | 184 | 0th | $60 – $87 |
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Dr. Mark O'brien, DO Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. O'brien National Provider Identifier | NPI #1255322509 (DO) | CMS NPPES Registry (48079) |
| Dr. O'brien Saint Clair CMS Volume Rank | 0.00th Pct (630 CMS svcs; Z -0.515σ) | CMS Medicare Part B (MI Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Saint Clair, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.78/5 Listening • 4.87/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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