Dr. John Brennan, MD
7557 Rambler Rd Ste 565, Dallas, TX 75231 • +1-728-555-4670
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Dallas Percentiles
NPI #1336123173 • CBSA 19100 • Psychiatry
Operating out of Dallas, TX (7557 Rambler Rd Ste 565), Psychiatry clinician Dr. John Brennan, MD (accredited MD/DO training, 1995) maintains a focused low-volume boutique caseload (0th Dallas percentile) (15.52th TX percentile; Z-score -0.65σ across 716 documented services) with sub-specialty concentration in 5 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 7557 Rambler Rd Ste 565 shows Dr. John Brennan's primary concentration in Psychopharmacology Medication & Symptom Titration Visit (code 99214: 315x/yr, 12th local percentile) alongside Add-On Focused Psychotherapy w/ Medical Evaluation (30 min) (90833: 200x/yr, $107–$147).
Direct cash-pay transparency modeling sets Dr. Brennan's baseline new-consult rate near $211.00 in Dallas, TX (cash-pay accepted, in-person clinic visits only, 18-minute average reception wait).
Clinical background for Dr. Brennan (MD, NPI #1336123173) includes accredited doctoral training (1995, 31 yrs in practice) and dedicated on-site consultations at 7557 Rambler Rd Ste 565.
Compared against Dallas, TX Psychiatry peers
716 annual services across 138 beneficiaries
Standard deviations from TX Psychiatry mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Psychopharmacology Medication & Symptom Titration Visit | 315 | 12th | $149 – $204 |
| 90833 | Add-On Focused Psychotherapy w/ Medical Evaluation (30 min) | 200 | 12th | $107 – $147 |
| 99213 | Established Behavioral Health Maintenance Follow-Up | 115 | 12th | $114 – $156 |
| 90792 | Comprehensive Psychiatric Diagnostic & Medical Evaluation | 86 | 12th | $233 – $320 |
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Dr. John Brennan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Brennan National Provider Identifier | NPI #1336123173 (MD) | CMS NPPES Registry (75231) |
| Dr. Brennan Dallas CMS Volume Rank | 0.00th Pct (716 CMS svcs; Z -0.651σ) | CMS Medicare Part B (TX Psychiatry) |
| Fair Cash-Pay New-Patient Benchmark | $211.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Dallas, TX) |
| Waiting-Room Wait Time & Cash Friendliness | $211.00 avg paid • 18 min lobby wait | 6 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.82/5 Listening • 4.87/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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