Dr. Ramón Diez-Barroso, M.D.

DPC Family Medicine physician, San Antonio, TX

Merlin Direct Primary Care

Dr. Ramón Diez-Barroso is a DPC Family Medicine physician and the founder of Merlin Direct Primary Care.

7978 Broadway, Ste 100, San Antonio, TX 78209
At a glance
Practice model
Direct primary care membership
Board certification
Family medicine
Adults
Adults: $150 a month
Children under 18
$25 a month
Languages
English and Spanish

Facts on this page last checked October 2026. How we check doctors

About Dr. Diez-Barroso

Dr. Diez-Barroso is board certified in family medicine. He earned his medical degree at Baylor College of Medicine. He founded Merlin Direct Primary Care, a direct primary care practice.

He appeared in a video segment explaining the practice's membership model. He is bilingual in English and Spanish.

Membership and fees

Membership at Merlin Direct Primary Care is $150 a month for adults and $25 a month for children under 18.

Paying for the year gives one month free, at $1,650 a year for adults and $275 a year for children.

Visits run 30 to 60 minutes, and members reach the doctor's own phone number rather than a call center.

$150 per month (adult)

Education and credentials

Medical school
Baylor College of Medicine
Board certification
Family medicine

Hospital and practice affiliations

Founder of Merlin Direct Primary Care

Location

7978 Broadway, Ste 100, San Antonio, TX 78209
Merlin Direct Primary Care practice page
Directions

Recognition and research

Media and books

Appeared in a video segment explaining the practice's membership model

Patient reviews

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Questions patients ask

Does Dr. Diez-Barroso offer a membership?

Merlin Direct Primary Care is a direct primary care practice with a monthly membership.

How much does a membership at Merlin Direct Primary Care cost?

Membership is $150 a month for adults and $25 a month for children under 18. Paying for the year gives one month free, at $1,650 a year for adults and $275 a year for children.

Is Dr. Diez-Barroso board certified?

Dr. Diez-Barroso is board certified in family medicine.

Where did Dr. Diez-Barroso train?

He earned his medical degree at Baylor College of Medicine.

Does Dr. Diez-Barroso speak Spanish?

Yes, he is bilingual in English and Spanish.

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