Occupational Health Service (OHS) at Zuckerberg San Francisco General Hospital (ZSFG)

Occupational Health Service, also known as Employee Health Service (EHS), provides a variety of occupational safety centered services to employees of City and County of San Francisco (CCSF). We also provide onboarding medical screenings for new CCSF employees through Human Resource Departments.

2023 ZSFG/UCSF staff flu clinic in building 40 is now closed. For the latest Flu vaccination location and additional information, please click here.

2023-2024 Flu Declination QR Code
ZSFG OHS' official website on SF.gov

Welcome to Occupational Health Service (OHS) at Zuckerberg San Francisco General Hospital and Trauma Center's new website.
Learn about the services that OHS provides to new, existing employees on ZSFG campus, and to City & County of San Francisco here.


Other Services and Useful Links/Forms:

OHS ► Authorization For Use or Disclosure of Protective Health Information Form

If you need a record of your protected health information (PHI), please download, print and complete this form and present it to our office.

OHS ► Blood and Body Fluid Exposure Lab Form

(Source Patient Lab Requisition Form)

OHS ► Credentialing

All applicants (new and reappointments) are required to submit proof of immunity for certain communicable diseases. ZSFG Medical Center requires that you also have annual Tuberculosis screening and N95 fit testing to work in-patient care areas.

OHS ► Medical History Form

Fill out this form if you are visiting us for the first time (Initial Visit).

OHS ► Interim Exam Questionnaire

If you are returning to our clinic, please fill out this form (For Return Visit).

OHS​​​​​​​ ► TB Surveillance Form

Please fill out the demographic, TB history, and symptom review areas before you come in and we will take care of the rest for you.

OHS​​​​​​​ ► N95 Respirator Fit Test Record Sheet

This form can be used by N95 Champions on ZSFG campus to record N95 fit test results for your department staff.

OHS ► Respirator Medical Online Questionnaire

Submit this online questionnaire ONLY IF this is your FIRST TIME getting fitted for a N95/PAPR respirator. This questionnaire is to be used by Department of Public Health (DPH) employees only. If you are from a different department, give us a call (628-206-6581).

OHS ► Respirator Medical Paper Questionnaire

Submit this paper questionnaire only if this is your FIRST TIME getting fitted for a respirator. This questionnaire can be used by all employees of City & County of San Francisco departments.

2023 OHS Staff
“2023 OHS Staff” by Kai C, CC BY-NC-ND

We welcome you all to Occupational Health Service at ZSFG. Thank you for giving us the opportunity to provide services to you.

Providing quality healthcare and services through joy in our work, thirst in learning, and compassionate care are our goals and mission.


► Location:

  • Zuckerberg San Francisco General Hospital Campus, Building 9, Room 115 (campus map)


► OHS Hours:*

  • Monday/Tuesday/ Wednesday/Friday: 7:30AM - 11:00AM / 12:30PM - 4:00PM ***

  • Thursday: 7:30AM - 11:00AM / 1:00PM - 4:00PM **


* The clinic is closed on weekends and on City & County Holidays.

** No TB Skin Testing on Thursdays.

*** Drop-in ends at 3PM daily.


Zuckerberg San Francisco General Hospital and Trauma Center

Occupational Health Service (OHS)
1001 Potrero Avenue, Building 9, Room 115
San Francisco, CA 94110
View location on google maps

At intersection of 23rd St. and Utah St.


OHS Mainline:

Fax: 628-206-3669

COVID-19 Hotline

Blood & Body Fluid Exposure Hotline:

Available 24 hours, 7 days a week

Request public records

Email OHS@sfdph.org to submit a request.