Dr. Peter Zamfirescu Alexander, MD
4234 Riverwalk Parkway Suite 230, Pacific Pulmonary Medical Group, Riverside, CA 92505 • +1-844-555-2737
Medical Education: Accredited U.S. Medical School (Class of 2008)
What This Doctor Actually Performs: CMS Medicare Utilization & Riverside Percentiles
NPI #1548245830 • CBSA Regional • Pulmonary Disease
Dr. Peter Zamfirescu Alexander, MD (NPI #1548245830) practices Pulmonary Disease in Riverside, CA (92505) with sub-specialty concentration in 21 Active CMS HCPCS Codes, recording 1,247 annual CMS services across 443 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (22.22th Riverside percentile) (-0.37σ vs CA state mean, 35.11th statewide percentile).
Granular CPT/HCPCS billing distribution at 4234 Riverwalk Parkway Suite 230, Pacific Pulmonary Medical Group shows Dr. Peter Zamfirescu Alexander's primary concentration in Established Pulmonary, Asthma & COPD Management (code 99214: 511x/yr, 22.22th local percentile) alongside Pre- & Post-Bronchodilator Spirometry Airflow Evaluation (94060: 287x/yr, $132–$181).
For out-of-network patients contacting +1-844-555-2737, Dr. Zamfirescu Alexander's practice posts a $239.00 GPCI self-pay consult estimate ($239.00 patient-logged median, 4.77/5 composite reality score over 4 submissions).
Patients evaluating Dr. Peter Zamfirescu Alexander in ZIP 92505 note 18 years of post-doctoral tenure (null, 2008) alongside 2.8 annual CMS procedures per patient.
Compared against Riverside, CA Pulmonary Disease peers
1,247 annual services across 443 beneficiaries
Standard deviations from CA Pulmonary Disease 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 Pulmonary, Asthma & COPD Management | 511 | 22.22th | $203 – $278 |
| 94060 | Pre- & Post-Bronchodilator Spirometry Airflow Evaluation | 287 | 23.22th | $132 – $181 |
| 94729 | Alveolar Carbon Monoxide Diffusing Capacity (DLCO) | 212 | 23.22th | $120 – $164 |
| 95810 | Attended Sleep Apnea Polysomnography Interpretation | 137 | 18.22th | $370 – $508 |
| 99204 | Comprehensive New Patient Respiratory & Sleep Workup | 100 | 20.22th | $286 – $392 |
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Dr. Peter Zamfirescu Alexander, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Zamfirescu Alexander National Provider Identifier | NPI #1548245830 (MD) | CMS NPPES Registry (92505) |
| Dr. Zamfirescu Alexander Riverside CMS Volume Rank | 22.22th Pct (1,247 CMS svcs; Z -0.369σ) | CMS Medicare Part B (CA Pulmonary Disease) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Riverside, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 12 min lobby wait | 4 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.85/5 Listening • 4.61/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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