Dr. Angela Merrifield, MD
301 Med Tech Pkwy, Ste 140, Johnson City, TN 37604 • +1-943-555-9608
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Johnson City Percentiles
NPI #1124025408 • CBSA Regional • Internal Medicine
Operating out of Johnson City, TN (301 Med Tech Pkwy, Ste 140), Internal Medicine clinician Dr. Angela Merrifield, MD (accredited MD/DO training, 1995) maintains a mid-cohort balanced caseload (64.41th Johnson City percentile) (70.68th TN percentile; Z-score -0.02σ across 3,905 documented services) with sub-specialty concentration in 99 Active CMS HCPCS Codes.
Procedural volume for Dr. Merrifield is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 1600 annual services, $45–$61 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 925/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 462/yr).
Cash-pay intake data for NPI 1124025408 (301 Med Tech Pkwy, Ste 140, Johnson City) indicates $201.00 typical out-of-pocket visit spend against a $201.00 locality benchmark, paired with 16-minute average reception wait and 4.74/5 biomarker openness.
Credentialed as an MD specialist with 31 years post-graduation experience since completing medical school at an LCME/COCA institution (1995), Dr. Merrifield coordinates 99 Active CMS HCPCS Codes workups from 301 Med Tech Pkwy, Ste 140 (+1-943-555-9608).
Compared against Johnson City, TN Internal Medicine peers
3,905 annual services across 161 beneficiaries
Standard deviations from TN Internal Medicine mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 1,600 | 64.41th | $45 – $61 |
| 99213 | Established Preventive & Chronic Care Visit | 925 | 65.41th | $34 – $49 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 462 | 63.41th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 356 | 60.41th | $53 – $72 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 213 | 59.41th | $62 – $85 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (99 HCPCS billing breadth) | 349 | 64.41th | $45 – $65 |
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Dr. Angela Merrifield, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Merrifield National Provider Identifier | NPI #1124025408 (MD) | CMS NPPES Registry (37604) |
| Dr. Merrifield Johnson City CMS Volume Rank | 64.41th Pct (3,905 CMS svcs; Z -0.021σ) | CMS Medicare Part B (TN Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $201.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Johnson City, TN) |
| Waiting-Room Wait Time & Cash Friendliness | $201.00 avg paid • 16 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.68/5 Listening • 4.74/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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