There are several options for healthcare provider regardless of you are a stay at home mom or a working mom. You would just need to pay according to the terms that you have agreed upon. You may check out here the comparison between HMO and health insurance companies in the Philippines: http://www.imoney.ph/health-insurance It displays the approximate premium you will be paying and the benefits such as inpatient care, outpatient care, emergency care, dental care.
Maxicare is a good healthcare insurance company. Almost a lot of hospitals, major or minor ones, are Maxicare accredited. For as low as 549 pesos monthly, you can get insured. If you're currently exploring more options, check this article about the top healthcare insurance companies in the country. http://www.thewiseliving.com/2014/10/4-best-health-cards-in-philippines-you.html