About Dr. John Marshall, MD
Dr Marshall is Board Certified in Family Medicine and has had a distinguished career in the US Air Force Medical Corp, retiring as Chief of Medical Staff at Brooks Air Force Base in San Antonio. He continued to serve in community medicine as Staff Physician with the University Health System in San Antonio.
Dr Marshall has served with distinction at Faith Family Family first as a volunteer and now in retirment continuing to work two days a week and vounteering at other times.
Procedures & Services
Patient Education Resources
I have high cholesterol. When should I consider starting a statin?
High cholesterol is a major risk factor for heart disease and stroke. Your healthcare provider will consider several factors when deciding whether or not to prescribe a statin to lower your cholestero...
High cholesterol is a major risk factor for heart disease and stroke. Your healthcare provider will consider several factors when deciding whether or not to prescribe a statin to lower your cholestero...
What are some forms of contraception if I don't want to take birth control pills?
There are several forms of contraception available for individuals who do not want to take birth control pills. Some of the most popular options include:Intrauterine device (IUD): An IUD is a small, T...
There are several forms of contraception available for individuals who do not want to take birth control pills. Some of the most popular options include:Intrauterine device (IUD): An IUD is a small, T...
What are the best sunscreens?
The best sunscreens are those that provide broad-spectrum protection, which means they protect against both ultraviolet A (UVA) and ultraviolet B (UVB) rays. They should also have an SPF (sun protecti...
The best sunscreens are those that provide broad-spectrum protection, which means they protect against both ultraviolet A (UVA) and ultraviolet B (UVB) rays. They should also have an SPF (sun protecti...
What are treatments for my child’s asthma?
The treatment of childhood asthma is similar to that of adult asthma, but there are some important considerations.The main goal of treatment is to control symptoms, prevent exacerbations and improve t...
The treatment of childhood asthma is similar to that of adult asthma, but there are some important considerations.The main goal of treatment is to control symptoms, prevent exacerbations and improve t...
What medications can help control my glucose levels with diabetes type 2?
There are several different types of medications that can be used to help control glucose levels in people with type 2 diabetes, including:Metformin: This is a medication that helps lower blood sugar ...
There are several different types of medications that can be used to help control glucose levels in people with type 2 diabetes, including:Metformin: This is a medication that helps lower blood sugar ...