Geoffrey B. Yang, M.D.
Dermatology Physician · Irvine, CA
Geoffrey B. Yang, M.D. is a dermatology physician with a practice address in Irvine, California, and NPI 1689931271, issued on Apr 19, 2012. Check the license on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Geoffrey B. Yang
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 265481 MA
Self-reported in NPPES; status is on the state search - Practice location
- C340 Medical Sciences I, Irvine, CA 92697
- Phone
- (949) 824-4405
- Enumerated
- Apr 19, 2012
- Record last updated
- Jun 22, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at C340 Medical Sciences I
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joshua Tournas, M.D.Specialist1407046329
Verify Geoffrey B. Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other dermatology physician records in California
- Sam Abaza, M.D.Diamond Bar, CA1831148501
- Farah Abdulla, MDDuarte, CA1093934390
- Robert Abergel, M.D.Santa Monica, CA1841565843
- Karen Abisogun, MDLos Angeles, CA1124474515
- Glynis Ablon, M.D.Manhattan Beach, CA1144292889
- Arthur Abrams, MDMountain View, CA1518093178
- Payam Abrishami, MDAgoura Hills, CA1447288147
- Aseel Abu-NasserRedding, CA1609641711
- Rachel Abuav, M.D.Beverly Hills, CA1356481733
- Boya Abudu, MD, MPHSacramento, CA1336608637
Common questions
What is Geoffrey B. Yang, M.D.'s NPI number?
Geoffrey B. Yang, M.D.'s National Provider Identifier (NPI) is 1689931271, issued on Apr 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey B. Yang, M.D. located?
The NPPES record lists a practice address at C340 Medical Sciences I, Irvine, CA, 92697. Phone: (949) 824-4405. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey B. Yang, M.D.'s license?
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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.