Dr. Mark Williams, MD
301 Med Tech Pkwy, Ste 240, Johnson City, TN 37604 • +1-943-555-8431
Medical Education: Accredited U.S. Medical School (Class of 1994)
What This Doctor Actually Performs: CMS Medicare Utilization & Johnson City Percentiles
NPI #1033114988 • CBSA Regional • Internal Medicine
Within the Johnson City, TN (CBSA local) Internal Medicine cohort, Dr. Mark Williams, MD with sub-specialty concentration in 111 Active CMS HCPCS Codes ranks at the 79.66th municipal percentile and 87.88th TN percentile (+0.41σ Z-score) based on 7,570 billed procedures for 366 patients.
Granular CPT/HCPCS billing distribution at 301 Med Tech Pkwy, Ste 240 shows Dr. Mark Williams's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 2595x/yr, 79.66th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 1499x/yr, $33–$48).
Direct cash-pay transparency modeling sets Dr. Williams's baseline new-consult rate near $201.00 in Johnson City, TN (cash-pay accepted, hybrid in-clinic and telehealth video consults, 10-minute average reception wait).
Credentialed as an MD specialist with 32 years post-graduation experience since completing medical school at an LCME/COCA institution (1994), Dr. Williams coordinates 111 Active CMS HCPCS Codes workups from 301 Med Tech Pkwy, Ste 240 (+1-943-555-8431).
Compared against Johnson City, TN Internal Medicine peers
7,570 annual services across 366 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 | 2,595 | 79.66th | $44 – $60 |
| 99213 | Established Preventive & Chronic Care Visit | 1,499 | 78.66th | $33 – $48 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 750 | 79.66th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 577 | 76.66th | $51 – $70 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 346 | 78.66th | $61 – $83 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (111 HCPCS billing breadth) | 1,803 | 79.66th | $45 – $65 |
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Dr. Mark Williams, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Williams National Provider Identifier | NPI #1033114988 (MD) | CMS NPPES Registry (37604) |
| Dr. Williams Johnson City CMS Volume Rank | 79.66th Pct (7,570 CMS svcs; Z +0.411σ) | 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 • 10 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.95/5 Listening • 4.42/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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