Peter Chansky, MD
Dermatology · San Francisco, CA
At a glance
3838 California St Rm 610, San Francisco, CA 94118-1508
Published activity: Melanoma (skin cancer) excision · Removal of nail tissue · Removal of skin lesions. View counts and coverage
NPPES record updated Mar 8, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
3838 California St Rm 610San Francisco, CA 94118-1508
Additional reported practice locations
1800 Sullivan Ave Rm 403Daly City, CA 940152224
Phone: 6509943238
Fax: 6509911119 45 Castro St Ste 332
San Francisco, CA 941141019
Phone: 4158612600
Fax: 4158618627 2555 Ocean Ave Ste 203
San Francisco, CA 941321645
Phone: 4159213322
Fax: 4153338296 2001 Union St Ste 520
San Francisco, CA 941234110
Phone: 4159223344
Fax: 4159217759
Education & affiliations
- Medical / professional school
- Perelman School Of Med At The University Of Pennsylvania
- Graduation year
- 2018
- CMS specialties
- Dermatology
Practice groups
Reported hospital affiliations
- California Pacific Medical Ctr-Davies Campus Hosp San Francisco, CA
- Ucsf Health St. Mary's Hospital San Francisco, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Melanoma (skin cancer) excision | 1-10 |
| Removal of nail tissue | 1-10 |
| Removal of skin lesions | 694 |
| Removal or shaving of skin growth | 1-10 |
| Skin biopsy | 142 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Medical education speaking or faculty | $8,664.00 |
| Food and beverage | $8,457.30 |
| Services other than consulting | $4,899.00 |
| Consulting fee | $3,006.00 |
| Travel and lodging | $1,414.24 |
| Education | $99.00 |
Reporting companies
| Company | Amount |
|---|---|
| SUN PHARMACEUTICAL INDUSTRIES INC. | $12,383.28 |
| GENZYME CORPORATION | $4,283.36 |
| REGENERON HEALTHCARE SOLUTIONS, INC. | $3,360.54 |
| ABBVIE INC. | $1,378.37 |
| ARCUTIS BIOTHERAPEUTICS, INC. | $1,018.98 |
| GALDERMA LABORATORIES, L.P. | $826.95 |
| UCB, INC. | $722.89 |
| JANSSEN BIOTECH, INC. | $445.55 |
| Other reporting companies | $2,119.62 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Dermatology
- Taxonomy code
- 207N00000X
- Enumeration date
- Mar 28, 2018
- Record updated
- Mar 8, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207N00000X · Primary
License reported: A178808 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
3838 California St Rm 610San Francisco, CA 94118-1508
- Phone
- (415) 387-8007
- Fax
- (415) 387-8008
Mailing address
3838 CALIFORNIA ST RM 610SAN FRANCISCO, CA 941181508
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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