Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Dermatology

Ashley B. Decker Jensen, MD

Sees patients in Sausalito, CA · California

Summary

Ashley B. Decker Jensen, MD (Dermatology) is enrolled with Medicare at 1 practice location in Sausalito, CA. NPI 1972861102. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ashley B. Decker Jensen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

DermatologyPrimary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
Boston University School Of MedicineMedical school
FemaleGender (as listed)
Southern Marin Dermatology IncGroup practice

Quick answers

Where does Ashley B. Decker Jensen see patients?
Medicare's clinician data lists 1 practice location in Sausalito, CA. Call before your visit to confirm the address.
What is Ashley B. Decker Jensen's specialty?
Medicare lists Dermatology as the primary specialty.
Does Ashley B. Decker Jensen accept Medicare assignment?
Yes. Medicare's clinician data says Ashley B. Decker Jensen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Ashley B. Decker Jensen?
(415) 887-9758, as listed in official Medicare / NPI Registry data.
What is Ashley B. Decker Jensen's NPI number?
1972861102. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Ashley B. Decker Jensen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ashley B. Decker Jensen as a member of this group (CMS data updated 2026-10-02).

  • Southern Marin Dermatology Inc6 clinicians in the group

Specialties

Find other Dermatology doctors in California →

Other dermatologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All dermatologists in California →

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972861102
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians