Dr. Maria Isabel Villegas Kastner, MD
1830 E Monument St Ste 416, Baltimore, MD 21287 • +1-272-555-6329
Medical Education: Accredited U.S. Medical School (Class of 2001)
What This Doctor Actually Performs: CMS Medicare Utilization & Baltimore Percentiles
NPI #1154859429 • CBSA Regional • Nephrology
CMS Medicare Part B utilization records credit Dr. Maria Isabel Villegas Kastner (MD, NPI 1154859429) at 1830 E Monument St Ste 416 in Baltimore with 6,761 annual clinical services (163 beneficiaries), corresponding to a +2.00σ regional deviation and top-decile high-throughput specialist (98.25th percentile in Baltimore) with sub-specialty concentration in 32 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Villegas Kastner (averaging 41.5 services per beneficiary), 99214 (Chronic Kidney Disease eGFR, uACR & Electrolyte Management) represents 6% of tracked volume (384 encounters), paired with 90960 (176x).
Uninsured and high-deductible cash patients visiting Dr. Maria Isabel Villegas Kastner in Baltimore (21287) face an estimated $209.00 initial evaluation fee at 1830 E Monument St Ste 416 (in-person clinic visits only; 17-minute average reception wait; bedside manner 4.75/5 from 21 verified reports).
Patients evaluating Dr. Maria Isabel Villegas Kastner in ZIP 21287 note 25 years of post-doctoral tenure (null, 2001) alongside 41.5 annual CMS procedures per patient.
Top 10% Nephrology volume leader in Baltimore, MD
6,761 annual services across 163 beneficiaries
Standard deviations from MD 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 | 384 | 98.25th | $45 – $62 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 176 | 99.5th | $91 – $124 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 144 | 94.25th | $66 – $91 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 96 | 98.25th | $62 – $85 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (32 HCPCS billing breadth) | 5,961 | 98.25th | $45 – $65 |
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Dr. Maria Isabel Villegas Kastner, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Villegas Kastner National Provider Identifier | NPI #1154859429 (MD) | CMS NPPES Registry (21287) |
| Dr. Villegas Kastner Baltimore CMS Volume Rank | 98.25th Pct (6,761 CMS svcs; Z +1.999σ) | CMS Medicare Part B (MD Nephrology) |
| 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 • 17 min lobby wait | 21 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.75/5 Listening • 4.84/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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