Who can be treated here?
IMSS treats its own members: affiliated workers, pensioners and their registered families.
If you are not an IMSS member this is not the unit for you: public care for people without social-security cover is given at a public health centre. Public health centres in San Marcos →
An appointment is not compulsory: you may walk in, book by phone 24 hours ahead, or be given a same-day appointment.
Your medical appointment card carrying your name and photograph — the one that states your consulting room and shift — and current official photo ID, both originals. Beforehand you must be a member in good standing and have registered at the Family Medicine Unit assigned to you.
Source: IMSS (imss.gob.mx), read on 24 August 2026
About Umf 12 S. Marcos
Listed in San Marcos, Umf 12 S. Marcos is a clinic. Our directory holds 55 other clinics in San Marcos; the nearest ones are listed below with their contact details.
Services and facilities
From the Ministry of Health's inventory of health resources (2024).
Contact
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Frequently asked questions
What is the phone number of Umf 12 S. Marcos?
The phone number of Umf 12 S. Marcos is +52 745 453 0444.
Where is Umf 12 S. Marcos located?
Umf 12 S. Marcos is located at Carretera Acapulco-pinotepa, San Marcos.
Do I need to be a member to be seen at Umf 12 S. Marcos?
IMSS treats its own members: affiliated workers, pensioners and their registered families. If you are not an IMSS member this is not the unit for you: public care for people without social-security cover is given at a public health centre.
Other clinics in San Marcos
Contact
Address
Carretera Acapulco-pinotepa, San Marcos
How to find it: Carretera acapulco-pinotepa, s/n, colonia san marcos, c.p., 39960, san marcos, guerrero