Dermatology, MOHS-Micrographic Surgery
JI WON AHN MD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1023460243 · enumerated 2016-07-12 · record updated 2024-10-30. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 320 LENNON LN DEPT OF, WALNUT CREEK, CA, 94598-2419 (925) 817-5678 Google Maps Apple Maps OpenStreetMap
- Mailing address 200 1ST ST SW, ROCHESTER, MN, 55905-0001 (507) 284-2511 Google Maps Apple Maps OpenStreetMap
Specialties
- Dermatology, MOHS-Micrographic Surgery 207ND0101X · Primary · License 66941 MN
Published links
In this directory
CA Contra Costa County Walnut Creek Dermatology, MOHS-Micrographic Surgery
Locations and evidence
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Practice location
WALNUT CREEK, CA, 945982419
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.