Dr. Karynne Duncan, MD
1104 Adams St, Suite 201, Saint Helena, CA 94574 • +1-380-555-1366
Medical Education: Accredited U.S. Medical School (Class of 2018)
What This Doctor Actually Performs: CMS Medicare Utilization & Saint Helena Percentiles
NPI #1548235617 • CBSA Regional • Dermatology
Operating out of Saint Helena, CA (1104 Adams St, Suite 201), Dermatology clinician Dr. Karynne Duncan, MD (accredited MD/DO training, 2018) maintains a top-decile high-throughput specialist (99th percentile in Saint Helena) (59.12th CA percentile; Z-score -0.12σ across 4,315 documented services) with sub-specialty concentration in 34 Active CMS HCPCS Codes.
Dr. Duncan's longitudinal care intensity (7.3 billed units per patient across 589 individuals) centers on 17000 (1467 annual units) and 99213 ($99–$136 cash range).
Uninsured and high-deductible cash patients visiting Dr. Karynne Duncan in Saint Helena (94574) face an estimated $239.00 initial evaluation fee at 1104 Adams St, Suite 201 (hybrid in-clinic and telehealth video consults; 20-minute average reception wait; bedside manner 4.56/5 from 14 verified reports).
Patients evaluating Dr. Karynne Duncan in ZIP 94574 note 8 years of post-doctoral tenure (null, 2018) alongside 7.3 annual CMS procedures per patient.
Top 10% Dermatology volume leader in Saint Helena, CA
4,315 annual services across 589 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 | 1,467 | 99th | $89 – $121 |
| 99213 | Focused Cutaneous & Dermoscopic Examination | 1,338 | 99.5th | $99 – $136 |
| 11102 | Tangential Diagnostic Skin Biopsy of Single Lesion | 820 | 98th | $130 – $179 |
| 11401 | Excision of Benign Cutaneous Lesion (0.6 to 1.0 cm) | 432 | 99th | $183 – $250 |
| 99203 | New Patient Full-Body Skin Cancer & Dermatology Evaluation | 259 | 99.5th | $141 – $193 |
Are you Dr. Karynne Duncan? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Saint Helena, CA:
<a href="https://dotmd.com/doctors/karynne-duncan-md-saint-helena-ca-1548235617" title="Dr. Karynne Duncan, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1548235617.svg" alt="Dr. Karynne Duncan Dermatology Badge" width="280" height="72" /></a>
Dr. Karynne Duncan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Duncan National Provider Identifier | NPI #1548235617 (MD) | CMS NPPES Registry (94574) |
| Dr. Duncan Saint Helena CMS Volume Rank | 99.00th Pct (4,315 CMS svcs; Z -0.117σ) | CMS Medicare Part B (CA Dermatology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Saint Helena, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.56/5 Listening • 4.51/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Karynne Duncan
Dr. Duncan Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Saint Helena, CA.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Karynne Duncan community threads and patient logs by age, biological sex, dosage, and treatment duration.