Dr. Peter Johnston, MD
600 N Wolfe Street Carnegie 568, Baltimore, MD 21287 • +1-272-555-6741
Medical Education: Accredited U.S. Medical School (Class of 1995)
What This Doctor Actually Performs: CMS Medicare Utilization & Baltimore Percentiles
NPI #1629128830 • CBSA Regional • Cardiology
CMS Medicare Part B utilization records credit Dr. Peter Johnston (MD, NPI 1629128830) at 600 N Wolfe Street Carnegie 568 in Baltimore with 1,551 annual clinical services (899 beneficiaries), corresponding to a -0.63σ regional deviation and focused low-volume boutique caseload (28.44th Baltimore percentile) with sub-specialty concentration in 41 Active CMS HCPCS Codes.
Procedural volume for Dr. Johnston is led by HCPCS 99214 (Established Cardiology Consultation & Hemodynamic Review — 589 annual services, $123–$169 GPCI cash estimate), followed by CPT 93000 (12-Lead Resting Electrocardiogram (ECG) w/ Interpretation, 434/yr) and CPT 93306 (Complete Transthoracic Echocardiography w/ Doppler & Color Flow, 279/yr).
For out-of-network patients contacting +1-272-555-6741, Dr. Johnston's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.89/5 composite reality score over 24 submissions).
NPI registry verification (#1629128830) confirms Dr. Peter Johnston's MD standing serving CBSA 21287 with a 4.89/5 patient scorecard.
Compared against Baltimore, MD Cardiology peers
1,551 annual services across 899 beneficiaries
Standard deviations from MD Cardiology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Cardiology Consultation & Hemodynamic Review | 589 | 28.44th | $123 – $169 |
| 93000 | 12-Lead Resting Electrocardiogram (ECG) w/ Interpretation | 434 | 28.44th | $48 – $66 |
| 93306 | Complete Transthoracic Echocardiography w/ Doppler & Color Flow | 279 | 23.44th | $230 – $315 |
| 93224 | 24-Hour Ambulatory ECG Rhythm Monitoring & Analysis | 155 | 26.44th | $145 – $198 |
| 99204 | Comprehensive New Patient Cardiovascular Risk Evaluation | 93 | 25.44th | $177 – $242 |
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Dr. Peter Johnston, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Johnston National Provider Identifier | NPI #1629128830 (MD) | CMS NPPES Registry (21287) |
| Dr. Johnston Baltimore CMS Volume Rank | 28.44th Pct (1,551 CMS svcs; Z -0.631σ) | CMS Medicare Part B (MD Cardiology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Baltimore, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 14 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.69/5 Listening • 4.43/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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