Dr. Mark Chastain, MD
835 Cogburn Ave Nw, Suite 100, Marietta, GA 30060 • +1-203-555-6817
Medical Education: Accredited U.S. Medical School (Class of 1992)
What This Doctor Actually Performs: CMS Medicare Utilization & Marietta Percentiles
NPI #1790756138 • CBSA Regional • Micrographic Dermatologic Surgery
Statistical peer benchmarking across GA Micrographic Dermatologic Surgery providers positions Dr. Mark Chastain, MD in Marietta at +0.47σ (50th city percentile / 62.5th state percentile, 1,350 Medicare beneficiaries), with clinical focus spanning 111 Active CMS HCPCS Codes.
Dr. Chastain's longitudinal care intensity (5.2 billed units per patient across 1350 individuals) centers on 99214 (3056 annual units) and 99213 ($344–$471 cash range).
Cash-pay intake data for NPI 1790756138 (835 Cogburn Ave Nw, Suite 100, Marietta) indicates $209.00 typical out-of-pocket visit spend against a $209.00 locality benchmark, paired with 16-minute average reception wait and 4.58/5 biomarker openness.
Patients evaluating Dr. Mark Chastain in ZIP 30060 note 34 years of post-doctoral tenure (null, 1992) alongside 5.2 annual CMS procedures per patient.
Compared against Marietta, GA Micrographic Dermatologic Surgery peers
7,034 annual services across 1,350 beneficiaries
Standard deviations from GA Micrographic Dermatologic Surgery 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 | 3,056 | 50th | $450 – $616 |
| 99213 | Established Preventive & Chronic Care Visit | 1,766 | 46th | $344 – $471 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 883 | 54th | $164 – $225 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 679 | 51th | $528 – $723 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 407 | 53th | $625 – $857 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (111 HCPCS billing breadth) | 243 | 50th | $405 – $587 |
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Dr. Mark Chastain, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chastain National Provider Identifier | NPI #1790756138 (MD) | CMS NPPES Registry (30060) |
| Dr. Chastain Marietta CMS Volume Rank | 50.00th Pct (7,034 CMS svcs; Z +0.468σ) | CMS Medicare Part B (GA Micrographic Dermatologic Surgery) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Marietta, GA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 16 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.89/5 Listening • 4.58/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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