Dr. Brian Keroack, MD
51 Sewall St, Portland, ME 04102 • +1-909-555-8554
Medical Education: Accredited U.S. Medical School (Class of 2008)
What This Doctor Actually Performs: CMS Medicare Utilization & Portland Percentiles
NPI #1891788659 • CBSA Regional • Rheumatology
Operating out of Portland, ME (51 Sewall St), Rheumatology clinician Dr. Brian Keroack, MD (accredited MD/DO training, 2008) maintains a mid-cohort balanced caseload (57.14th Portland percentile) (72.73th ME percentile; Z-score +0.69σ across 91,049 documented services) with sub-specialty concentration in 101 Active CMS HCPCS Codes.
Procedural volume for Dr. Keroack is led by HCPCS 99214 (Autoimmune Arthritis & Biologic/DMARD Safety Evaluation — 1512 annual services, $45–$62 GPCI cash estimate), followed by CPT 20610 (Large Joint Synovial Arthrocentesis or Corticosteroid Injection, 690/yr) and CPT 96413 (Intravenous Biologic Infusion Therapy (First Hour), 493/yr).
Direct cash-pay transparency modeling sets Dr. Keroack's baseline new-consult rate near $209.00 in Portland, ME (cash-pay accepted, hybrid in-clinic and telehealth video consults, 11-minute average reception wait).
NPI registry verification (#1891788659) confirms Dr. Brian Keroack's MD standing serving CBSA 04102 with a 4.86/5 patient scorecard.
Compared against Portland, ME Rheumatology peers
91,049 annual services across 408 beneficiaries
Standard deviations from ME Rheumatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Autoimmune Arthritis & Biologic/DMARD Safety Evaluation | 1,512 | 57.14th | $45 – $62 |
| 20610 | Large Joint Synovial Arthrocentesis or Corticosteroid Injection | 690 | 56.14th | $36 – $51 |
| 96413 | Intravenous Biologic Infusion Therapy (First Hour) | 493 | 59.14th | $62 – $85 |
| 76881 | Complete Joint Synovitis High-Resolution Ultrasound | 329 | 62.14th | $47 – $65 |
| 99204 | New Patient Autoimmune & Rheumatology Diagnostic Workup | 263 | 53.14th | $62 – $85 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (101 HCPCS billing breadth) | 87,761 | 57.14th | $45 – $65 |
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Dr. Brian Keroack, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Keroack National Provider Identifier | NPI #1891788659 (MD) | CMS NPPES Registry (04102) |
| Dr. Keroack Portland CMS Volume Rank | 57.14th Pct (91,049 CMS svcs; Z +0.694σ) | CMS Medicare Part B (ME Rheumatology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Portland, ME) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 11 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.72/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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