Dr. Diane Armstrong, MD
544 Patterson Blvd, Fairfield, OH 45014 • +1-926-555-6760
Medical Education: Accredited U.S. Medical School (Class of 1999)
What This Doctor Actually Performs: CMS Medicare Utilization & Fairfield Percentiles
NPI #1104913508 • CBSA Regional • Family Practice
Dr. Diane Armstrong, MD (NPI #1104913508) practices Family Practice in Fairfield, OH (45014) with sub-specialty concentration in 43 Active CMS HCPCS Codes, recording 2,159 annual CMS services across 243 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (75th Fairfield percentile) (+0.04σ vs OH state mean, 77.01th statewide percentile).
Dr. Armstrong's longitudinal care intensity (8.9 billed units per patient across 243 individuals) centers on 99214 (445 annual units) and 99213 ($73–$100 cash range).
For out-of-network patients contacting +1-926-555-6760, Dr. Armstrong's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.61/5 composite reality score over 4 submissions).
Credentialed as an MD specialist with 27 years post-graduation experience since completing medical school at an LCME/COCA institution (1999), Dr. Armstrong coordinates 43 Active CMS HCPCS Codes workups from 544 Patterson Blvd (+1-926-555-6760).
Compared against Fairfield, OH Family Practice peers
2,159 annual services across 243 beneficiaries
Standard deviations from OH 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 | 445 | 75th | $95 – $131 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 329 | 72th | $73 – $100 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 127 | 80th | $109 – $150 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 95 | 76th | $25 – $40 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 64 | 76th | $131 – $180 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (43 HCPCS billing breadth) | 1,099 | 75th | $86 – $125 |
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Dr. Diane Armstrong, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Armstrong National Provider Identifier | NPI #1104913508 (MD) | CMS NPPES Registry (45014) |
| Dr. Armstrong Fairfield CMS Volume Rank | 75.00th Pct (2,159 CMS svcs; Z +0.037σ) | CMS Medicare Part B (OH Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Fairfield, OH) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 20 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.80/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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