Dr. Michael Grassia, MD
6160 Kempsville Circle, Suite 302a, Norfolk, VA 23502 • +1-607-555-6030
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Norfolk Percentiles
NPI #1235128133 • CBSA Regional • Nephrology
Dr. Michael Grassia, MD (NPI #1235128133) practices Nephrology in Norfolk, VA (23502) with sub-specialty concentration in 21 Active CMS HCPCS Codes, recording 1,818 annual CMS services across 512 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (80th Norfolk percentile) (-0.33σ vs VA state mean, 47.59th statewide percentile).
Fee-schedule auditing of NPI 1235128133 highlights 873 annual claims for 99214 (80th Norfolk percentile; $193–$265 self-pay corridor) plus 400 encounters under 90960 and 327 under 99215.
Uninsured and high-deductible cash patients visiting Dr. Michael Grassia in Norfolk (23502) face an estimated $209.00 initial evaluation fee at 6160 Kempsville Circle, Suite 302a (hybrid in-clinic and telehealth video consults; 19-minute average reception wait; bedside manner 4.77/5 from 13 verified reports).
Spanning 33 years of clinical practice following 1993 graduation from medical training, Dr. Michael Grassia integrates 21 Active CMS HCPCS Codes diagnostics for Norfolk metro patients.
Compared against Norfolk, VA Nephrology peers
1,818 annual services across 512 beneficiaries
Standard deviations from VA 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 | 873 | 80th | $193 – $265 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 400 | 83th | $386 – $529 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 327 | 83th | $282 – $386 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 218 | 78th | $265 – $364 |
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Dr. Michael Grassia, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Grassia National Provider Identifier | NPI #1235128133 (MD) | CMS NPPES Registry (23502) |
| Dr. Grassia Norfolk CMS Volume Rank | 80.00th Pct (1,818 CMS svcs; Z -0.330σ) | CMS Medicare Part B (VA Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Norfolk, VA) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 19 min lobby wait | 13 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.77/5 Listening • 4.80/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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