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OASIS and Minor Procedures Clinic Specialty Services

Drop-in clinic for treatment of some soft tissue infections and medically-necessary tissue removal.

Outpatient Access Soft Tissue Infection Service (OASIS)
The Outpatient Access Soft Tissue Infection Service (OASIS) Clinic treats patients with fulminating or emergent soft tissue infections. Patients with chronic wounds and previously treated abscesses are not appropriate for referral to the OASIS clinic.

We serve patients with previously untreated abscesses and cellulitis and offer treatments such as:

  • I&Ds of abscesses
  • Antibiotics prescriptions

Minor Procedures Clinic
The Minor Procedure Clinic performs a small number of medically necessary excisions each week, including:

  • Foreign body removal
  • Removal of subcutaneous masses no larger than 6cm

Know Before You Go

  • OASIS patients are drop-in and seen on a first-come, first-served basis.
  • If your injury requires a minor procedure, you should drop in during OASIS hours to be evaluated and scheduled for use of local anesthesia.

Common Conditions Treated

These are some common conditions we treat.

  • Soft tissue infections
  • Abscesses
  • Foreign body removal
  • Removal of subcutaneous masses (under 6cm)

Our Location

OASIS and Minor Procedures Clinic
Zuckerberg San Francisco General
1001 Potrero Avenue (between 22nd and 23rd Streets)
San Francisco, CA 94110
Building 5, 5th Floor, 5R Clinic

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  • Hours
    OASIS Clinic
    Mon, Wed – Fri
    8:00am – 4:30pm
    8:00am – 12:00pm
    Tue, Sun, Holidays
    Wound Clinic
    Mon – Sun
    8:00am – 4:30pm, with referral
    Dermatologic Surgery
    1:00pm – 4:30pm, with referral
  • Contact
  • Directions

    The clinic is located in the main hospital (Building 5). Take the elevators to the 5th Floor. Follow the signs. Check-in upon arrival.

  • Public Transport


    Our Main Campus is served by Muni routes 9, 10, 33, 49, and 90.

    View Muni Schedule

    Plan Your Trip


    The closest BART stop is the 24th Street Mission station.

    View BART Schedule

    Plan Your Trip

    Free Shuttles

    UCSF Shuttle

    Free shuttle to UCSF locations in the city, including our Main Campus.

    View Shuttle Map & Schedule

    ZSFG Shuttle

    Free shuttle to the 24th Street Mission BART station during peak commute times.

    View Shuttle Map & Schedule


  • Parking

    23rd Street Parking Garage

    Enter from 24th Street (during the day) and 23rd Street (in the evening).

Get Care

We’re Here to Help

Patients are seen on a drop-in, first-come, first-served basis.

Call 628 206 3719 for general clinic questions.

Our Team

Rosaly Ferrer
Rosaly Ferrer
Nurse Director
Alena Maunder
Interim Nurse Manager