Dr. Rena Johnson, MD
6250 Old Dobbin Ln, Columbia, MD 21045 • +1-463-555-1430
Medical Education: Accredited U.S. Medical School (Class of 2010)
What This Doctor Actually Performs: CMS Medicare Utilization & Columbia Percentiles
NPI #1447267661 • CBSA Regional • Family Practice
Within the Columbia, MD (CBSA local) Family Practice cohort, Dr. Rena Johnson, MD with sub-specialty concentration in 65 Active CMS HCPCS Codes ranks at the 33.33th municipal percentile and 37.7th MD percentile (-0.14σ Z-score) based on 1,206 billed procedures for 216 patients.
Fee-schedule auditing of NPI 1447267661 highlights 457 annual claims for 99214 (33.33th Columbia percentile; $91–$125 self-pay corridor) plus 338 encounters under 99213 and 131 under G0439.
At 6250 Old Dobbin Ln (21045), Dr. Rena Johnson, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$209.00 per new consult (4.92/5 bedside rating).
Patients evaluating Dr. Rena Johnson in ZIP 21045 note 16 years of post-doctoral tenure (null, 2010) alongside 5.6 annual CMS procedures per patient.
Compared against Columbia, MD Family Practice peers
1,206 annual services across 216 beneficiaries
Standard deviations from MD 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 | 457 | 33.33th | $91 – $125 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 338 | 33.33th | $70 – $95 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 131 | 35.33th | $104 – $143 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 98 | 32.33th | $25 – $40 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 65 | 32.33th | $125 – $171 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (65 HCPCS billing breadth) | 117 | 33.33th | $82 – $119 |
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Dr. Rena Johnson, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Johnson National Provider Identifier | NPI #1447267661 (MD) | CMS NPPES Registry (21045) |
| Dr. Johnson Columbia CMS Volume Rank | 33.33th Pct (1,206 CMS svcs; Z -0.136σ) | CMS Medicare Part B (MD Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Columbia, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 18 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.92/5 Listening • 4.50/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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