Dr. Joshua Greenstein, MD
631 E Grand Ave, Escondido, CA 92025 • +1-867-555-1201
Medical Education: Accredited U.S. Medical School (Class of 2002)
What This Doctor Actually Performs: CMS Medicare Utilization & Escondido Percentiles
NPI #1104881457 • CBSA Regional • Nephrology
Operating out of Escondido, CA (631 E Grand Ave), Nephrology clinician Dr. Joshua Greenstein, MD (accredited MD/DO training, 2002) maintains a upper-quartile active clinical volume (83.33th Escondido percentile) (70.01th CA percentile; Z-score -0.11σ across 3,045 documented services) with sub-specialty concentration in 26 Active CMS HCPCS Codes.
Procedural volume for Dr. Greenstein is led by HCPCS 99214 (Chronic Kidney Disease eGFR, uACR & Electrolyte Management — 1462 annual services, $161–$221 GPCI cash estimate), followed by CPT 90960 (Monthly Adult ESRD Renal Replacement Oversight, 670/yr) and CPT 99215 (High-Complexity Cardiorenal & Resistant Hypertension Visit, 548/yr).
For out-of-network patients contacting +1-867-555-1201, Dr. Greenstein's practice posts a $239.00 GPCI self-pay consult estimate ($239.00 patient-logged median, 4.92/5 composite reality score over 7 submissions).
Credentialed as an MD specialist with 24 years post-graduation experience since completing medical school at an LCME/COCA institution (2002), Dr. Greenstein coordinates 26 Active CMS HCPCS Codes workups from 631 E Grand Ave (+1-867-555-1201).
Compared against Escondido, CA Nephrology peers
3,045 annual services across 473 beneficiaries
Standard deviations from CA Nephrology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Chronic Kidney Disease eGFR, uACR & Electrolyte Management | 1,462 | 83.33th | $161 – $221 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 670 | 83.33th | $323 – $442 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 548 | 80.33th | $235 – $323 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 365 | 79.33th | $222 – $304 |
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Dr. Joshua Greenstein, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Greenstein National Provider Identifier | NPI #1104881457 (MD) | CMS NPPES Registry (92025) |
| Dr. Greenstein Escondido CMS Volume Rank | 83.33th Pct (3,045 CMS svcs; Z -0.107σ) | CMS Medicare Part B (CA Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Escondido, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 19 min lobby wait | 7 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.61/5 Listening • 4.90/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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