Dr. Karen Nishimura, MD
3 Medical Plaza DR, #230, Roseville, CA 95661 • +1-669-555-2077
Medical Education: Accredited U.S. Medical School (Class of 2013)
What This Doctor Actually Performs: CMS Medicare Utilization & Roseville Percentiles
NPI #1730284878 • CBSA Regional • Dermatology
Operating out of Roseville, CA (3 Medical Plaza DR, #230), Dermatology clinician Dr. Karen Nishimura, MD (accredited MD/DO training, 2013) maintains a focused low-volume boutique caseload (25th Roseville percentile) (45.02th CA percentile; Z-score -0.19σ across 3,088 documented services) with sub-specialty concentration in 45 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Nishimura (averaging 6.5 services per beneficiary), 17000 (Cryotherapy Destruction of Premalignant Actinic Lesion) represents 34% of tracked volume (1050 encounters), paired with 99213 (957x).
Self-pay new patient consultations with Dr. Nishimura (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with in-person clinic visits only, 18-minute average reception wait, and a 4.58/5 modern protocol openness score across 18 patient logs.
Clinical background for Dr. Nishimura (MD, NPI #1730284878) includes accredited doctoral training (2013, 13 yrs in practice) and dedicated on-site consultations at 3 Medical Plaza DR, #230.
Compared against Roseville, CA Dermatology peers
3,088 annual services across 477 beneficiaries
Standard deviations from CA Dermatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 17000 | Cryotherapy Destruction of Premalignant Actinic Lesion | 1,050 | 25th | $82 – $112 |
| 99213 | Focused Cutaneous & Dermoscopic Examination | 957 | 26th | $92 – $126 |
| 11102 | Tangential Diagnostic Skin Biopsy of Single Lesion | 587 | 20th | $121 – $165 |
| 11401 | Excision of Benign Cutaneous Lesion (0.6 to 1.0 cm) | 309 | 21th | $169 – $231 |
| 99203 | New Patient Full-Body Skin Cancer & Dermatology Evaluation | 185 | 30th | $130 – $178 |
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Dr. Karen Nishimura, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Nishimura National Provider Identifier | NPI #1730284878 (MD) | CMS NPPES Registry (95661) |
| Dr. Nishimura Roseville CMS Volume Rank | 25.00th Pct (3,088 CMS svcs; Z -0.190σ) | CMS Medicare Part B (CA Dermatology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Roseville, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 18 min lobby wait | 18 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.71/5 Listening • 4.58/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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