Dr. Justin Mahon, DO
DPC Family Medicine physician, Oviedo, FL
Family Tree Primary CareDr. Justin Mahon is a co-owner of Family Tree Primary Care, a direct primary care practice.
Facts on this page last checked November 2026. How we check doctors
About Dr. Mahon
He co-founded Family Tree Primary Care with Dr. Bradley Jahnke and is a co-owner of the practice. The practice runs a direct primary care model and does not bill insurance. Members of Family Tree Primary Care can text their doctor at any time and book same-day or next-day appointments.
Membership at Family Tree Primary Care includes annual physicals, sports medicine and physicals, and minor procedures such as suturing, cryotherapy and skin biopsies.
Membership and fees
Membership at Family Tree Primary Care is $35 a month for children ages 0 to 18 with an enrolled parent, $75 for adults 19 to 44, $95 for adults 45 to 64 and $115 for adults 65 and over.
The family membership for parents and dependents under 18 is $240 a month, and the family registration fee is capped at $200 per family.
Adults pay a one-time registration fee of $100.
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Questions patients ask
Does Dr. Mahon take insurance, or offer a membership?
Family Tree Primary Care runs a direct primary care membership and does not bill insurance.
How much does a membership at Family Tree Primary Care cost?
Adult membership is $75 a month for ages 19 to 44, $95 for ages 45 to 64 and $115 for ages 65 and over. Children ages 0 to 18 with an enrolled parent pay $35 a month, and the family membership is $240 a month. Adults pay a one-time $100 registration fee, and the family registration fee is capped at $200 per family.
Who founded Family Tree Primary Care?
Dr. Mahon co-founded the practice with Dr. Bradley Jahnke.
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