Registry data as of Aug 27, 2026

Peter Chansky, MD

Dermatology Physician · San Francisco, CA

Peter Chansky, MD is a dermatology physician with a practice address in San Francisco, California, and NPI 1356846588, issued on Mar 28, 2018. Check the license (California A178808, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1356846588
Name
Peter Chansky
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
A178808 CA
Self-reported in NPPES; status is on the state search
Practice location
3838 California St RM 610, San Francisco, CA 94118
Phone
(415) 387-8007
Enumerated
Mar 28, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3838 California St RM 610

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Francis Hsiao, M.D., PHD.MOHS-Micrographic Surgery Physician1982855185
  2. Nicole Melet, P.A.Surgical Physician Assistant1477657971

Verify Peter Chansky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A178808
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

49% fewer Medicare Part D claims than the average dermatology physician in 2024

409 Medicare Part D claims for 180 beneficiaries, against an average of 799 among the 11,754 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Peter Chansky409
  2. Specialty average799

Most prescribed

  1. Ketoconazole112 claims
  2. Clobetasol Propionate74 claims
  3. Triamcinolone Acetonide39 claims
  4. Fluorouracil24 claims
  5. Azelaic Acid13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $8,133.66

261 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 9,431 providers of this specialty with any payment received $8,593.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peter Chansky$8,133.66
  2. Specialty average$8,593.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Csi Medical GroupDaly City, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Dermatology Physician providers in California

There are 2,004 dermatology physician records in California.

Other dermatology physician records in California

  1. Sumaira Aasi, MDStanford, CA1780675181
  2. Christopher Abbott, M.D.San Diego, CA1578866885
  3. Eman Abdallah, D.O.Los Angeles, CA1528321957
  4. Farah Abdulla, MDDuarte, CA1093934390
  5. Sayyida Abdus-Salaam, M.D.Daly City, CA1114241296
  6. Robert Abergel, M.D.Santa Monica, CA1841565843
  7. Glynis Ablon, M.D.Manhattan Beach, CA1144292889
  8. Arthur Abrams, MDMountain View, CA1518093178
  9. Aseel Abu-NasserRedding, CA1609641711
  10. Faud Abuabara, M.D.Mountain View, CA1164472890

Common questions

What is Peter Chansky, MD's NPI number?

Peter Chansky, MD's National Provider Identifier (NPI) is 1356846588, issued on Mar 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Peter Chansky, MD located?

The NPPES record lists a practice address at 3838 California St RM 610, San Francisco, CA, 94118. Phone: (415) 387-8007. Providers update this record themselves, so call before visiting.

How can I verify Peter Chansky, MD's license?

NPPES lists California license number A178808, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Peter Chansky, MD prescribe under Medicare Part D?

In 2024, Peter Chansky, MD had 409 Medicare Part D claims for 180 beneficiaries; the average among dermatology physician prescribers was 799. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.