Dr. Mark Merlin, MD
2349 Lawrenceville Hwy, Decatur, GA 30033 • +1-313-555-5075
Medical Education: Accredited U.S. Medical School (Class of 1997)
What This Doctor Actually Performs: CMS Medicare Utilization & Decatur Percentiles
NPI #1033193800 • CBSA Regional • Radiation Oncology
Anchored in Decatur, GA 30033, Dr. Mark Merlin, MD (NPI 1033193800) logged 2,944 annual procedures (focused low-volume boutique caseload (0th Decatur percentile), 76.92th GA percentile, +0.42σ) with sub-specialty concentration in 35 Active CMS HCPCS Codes.
Procedural volume for Dr. Merlin is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 1325 annual services, $361–$494 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 765/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 383/yr).
At 2349 Lawrenceville Hwy (30033), Dr. Mark Merlin, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.95/5 bedside rating).
Credentialed as an MD specialist with 29 years post-graduation experience since completing medical school at an LCME/COCA institution (1997), Dr. Merlin coordinates 35 Active CMS HCPCS Codes workups from 2349 Lawrenceville Hwy (+1-313-555-5075).
Compared against Decatur, GA Radiation Oncology peers
2,944 annual services across 201 beneficiaries
Standard deviations from GA Radiation Oncology 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 | 1,325 | 12th | $361 – $494 |
| 99213 | Established Preventive & Chronic Care Visit | 765 | 12th | $276 – $378 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 383 | 12th | $132 – $181 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 294 | 12th | $424 – $580 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 177 | 12th | $502 – $688 |
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Dr. Mark Merlin, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Merlin National Provider Identifier | NPI #1033193800 (MD) | CMS NPPES Registry (30033) |
| Dr. Merlin Decatur CMS Volume Rank | 0.00th Pct (2,944 CMS svcs; Z +0.424σ) | CMS Medicare Part B (GA Radiation Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Decatur, GA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 10 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.95/5 Listening • 4.60/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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