Dr. Anne Lynn Chang, MD
300 Pasteur DR, Stanford, CA 94305 • +1-710-555-9805
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Stanford Percentiles
NPI #1013049188 • CBSA Regional • Dermatology
Within the Stanford, CA (CBSA local) Dermatology cohort, Dr. Anne Lynn Chang, MD with sub-specialty concentration in 41 Active CMS HCPCS Codes ranks at the 74.29th municipal percentile and 36.06th CA percentile (-0.23σ Z-score) based on 2,465 billed procedures for 224 patients.
Medicare Part B line-item claims for Dr. Anne Lynn Chang (94305) place 17000 at the top of the practice ledger (838 yearly units, 74.29th metro rank), rounded out by 99213 and 11102.
Direct cash-pay transparency modeling sets Dr. Chang's baseline new-consult rate near $239.00 in Stanford, CA (cash-pay accepted, hybrid in-clinic and telehealth video consults, 20-minute average reception wait).
NPI registry verification (#1013049188) confirms Dr. Anne Lynn Chang's MD standing serving CBSA 94305 with a 4.55/5 patient scorecard.
Compared against Stanford, CA Dermatology peers
2,465 annual services across 224 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 | 838 | 74.29th | $60 – $82 |
| 99213 | Focused Cutaneous & Dermoscopic Examination | 764 | 73.29th | $67 – $92 |
| 11102 | Tangential Diagnostic Skin Biopsy of Single Lesion | 468 | 76.29th | $88 – $121 |
| 11401 | Excision of Benign Cutaneous Lesion (0.6 to 1.0 cm) | 247 | 73.29th | $124 – $169 |
| 99203 | New Patient Full-Body Skin Cancer & Dermatology Evaluation | 148 | 69.29th | $95 – $131 |
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Dr. Anne Lynn Chang, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Chang National Provider Identifier | NPI #1013049188 (MD) | CMS NPPES Registry (94305) |
| Dr. Chang Stanford CMS Volume Rank | 74.29th Pct (2,465 CMS svcs; Z -0.227σ) | CMS Medicare Part B (CA Dermatology) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Stanford, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 20 min lobby wait | 10 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.94/5 Listening • 4.90/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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