Dr. Diane Nagasaka, MD
2180 Main St, Wailuku, HI 96793 • +1-349-555-8876
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Wailuku Percentiles
NPI #1144256603 • CBSA Regional • Family Practice
Dr. Diane Nagasaka, MD (NPI #1144256603) practices Family Practice in Wailuku, HI (96793) with sub-specialty concentration in 23 Active CMS HCPCS Codes, recording 828 annual CMS services across 197 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (20th Wailuku percentile) (-0.40σ vs HI state mean, 33.71th statewide percentile).
Among 6 tracked CMS fee-schedule codes for Dr. Nagasaka (averaging 4.2 services per beneficiary), 99214 (Comprehensive Primary Care & Chronic Protocol Management) represents 39% of tracked volume (324 encounters), paired with 99213 (239x).
At 2180 Main St (96793), Dr. Diane Nagasaka, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.87/5 bedside rating).
Credentialed as an MD specialist with 23 years post-graduation experience since completing medical school at an LCME/COCA institution (2003), Dr. Nagasaka coordinates 23 Active CMS HCPCS Codes workups from 2180 Main St (+1-349-555-8876).
Compared against Wailuku, HI Family Practice peers
828 annual services across 197 beneficiaries
Standard deviations from HI Family Practice mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Comprehensive Primary Care & Chronic Protocol Management | 324 | 20th | $98 – $135 |
| 99213 | Focused Acute & Preventive Primary Care Evaluation | 239 | 25th | $75 – $103 |
| G0439 | Annual Wellness Biomarker & Preventive Screening Visit | 93 | 20th | $113 – $154 |
| 36415 | Routine Venipuncture Blood Biomarker Collection | 69 | 17th | $25 – $40 |
| 99204 | New Patient Primary Care Intake & Diagnostic Plan | 46 | 16th | $135 – $185 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (23 HCPCS billing breadth) | 57 | 20th | $89 – $129 |
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Dr. Diane Nagasaka, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Nagasaka National Provider Identifier | NPI #1144256603 (MD) | CMS NPPES Registry (96793) |
| Dr. Nagasaka Wailuku CMS Volume Rank | 20.00th Pct (828 CMS svcs; Z -0.400σ) | CMS Medicare Part B (HI Family Practice) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Wailuku, HI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 17 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.87/5 Listening • 4.47/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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