Dr. Sharmini Jayamaha, MD
632 Roanoke Avenue, East End Nephrology, P.c., Riverhead, NY 11901 • +1-933-555-2276
Medical Education: Accredited U.S. Medical School (Class of 1992)
What This Doctor Actually Performs: CMS Medicare Utilization & Riverhead Percentiles
NPI #1912942558 • CBSA Regional • Nephrology
Within the Riverhead, NY (CBSA local) Nephrology cohort, Dr. Sharmini Jayamaha, MD with sub-specialty concentration in 14 Active CMS HCPCS Codes ranks at the 0th municipal percentile and 56.02th NY percentile (-0.20σ Z-score) based on 1,671 billed procedures for 473 patients.
Fee-schedule auditing of NPI 1912942558 highlights 802 annual claims for 99214 (12th Riverhead percentile; $319–$437 self-pay corridor) plus 368 encounters under 90960 and 301 under 99215.
Direct cash-pay transparency modeling sets Dr. Jayamaha's baseline new-consult rate near $232.00 in Riverhead, NY (cash-pay accepted, in-person clinic visits only, 16-minute average reception wait).
Clinical background for Dr. Jayamaha (MD, NPI #1912942558) includes accredited doctoral training (1992, 34 yrs in practice) and dedicated on-site consultations at 632 Roanoke Avenue, East End Nephrology, P.c..
Compared against Riverhead, NY Nephrology peers
1,671 annual services across 473 beneficiaries
Standard deviations from NY 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 | 802 | 12th | $319 – $437 |
| 90960 | Monthly Adult ESRD Renal Replacement Oversight | 368 | 12th | $638 – $874 |
| 99215 | High-Complexity Cardiorenal & Resistant Hypertension Visit | 301 | 12th | $465 – $637 |
| 99204 | New Patient Nephrology & Proteinuria Consultation | 201 | 12th | $438 – $601 |
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Dr. Sharmini Jayamaha, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Jayamaha National Provider Identifier | NPI #1912942558 (MD) | CMS NPPES Registry (11901) |
| Dr. Jayamaha Riverhead CMS Volume Rank | 0.00th Pct (1,671 CMS svcs; Z -0.195σ) | CMS Medicare Part B (NY Nephrology) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Riverhead, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 16 min lobby wait | 24 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.57/5 Listening • 4.54/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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