
Marathon Direct Primary Care
Quick Facts
| Membership Price Range | $300/month (Marathon Membership) | $10,999 (Marathon One - all-inclusive executive-level membership including 12 months of marathon membership) |
| Practice Type | Direct Primary Care |
| Location | San Antonio |
| Doctors | John Wenhold D.O., Family Medicine |
| Telehealth Type | Video visits via Zoom, phone, text |
| Telehealth Available | Yes |
About
O. delivers data-driven, proactive health care in San Antonio, TX. His approach centers on functional medicine and longevity science. He built the practice to give members deep diagnostic insight into their health. The goal is to prevent age-related disease before it starts.
Dr. Wenhold tracks over 100 biomarkers across cardiovascular, hormonal, metabolic, thyroid, autoimmune, and inflammatory domains. The practice houses an in-office DEXA scanner, InBody scanner, and VO2 max testing equipment. Members receive quarterly VO2 max and fitness assessments, personalized nutrition plans, custom fitness programming, and sleep analysis. Hormone replacement therapy, continuous glucose monitoring, and peptide therapy round out a comprehensive clinical toolkit. Members pay $300 per month with no insurance contracts. The practice also accepts HSA and FSA payments.
Details
Address
23119 W IH-10, Suite 18, San Antonio, TX 78257
Phone
(210) 934-8397Website
Visit websiteMembership
$300/monthly
Membership Details
Monthly membership fee of $300/month covers unlimited same-day visits, 60-minute appointments, direct physician communication, advanced testing (VO2 max quarterly, InBody scans, yearly DEXA scan, in-depth blood testing), personalized nutrition plan, fitness program, and longevity protocols. No insurance accepted. HSA/FSA accepted. Marathon One is $10,999 and includes comprehensive testing across all domains plus 12 months of marathon membership.
Typical Appointment
60 minutes
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Frequently Asked Questions
Marathon Direct Primary Care charges $300 per month. Membership includes unlimited same-day visits, 60-minute appointments, direct physician communication, quarterly VO2 max testing, InBody scans, yearly DEXA scans, advanced biomarker analysis, personalized nutrition planning, fitness programming, sleep analysis, and longevity protocols. The practice does not accept insurance for membership fees but does accept HSA and FSA payments.
Marathon One is an all-inclusive executive membership priced at $10,999. It includes comprehensive testing across all health domains plus 12 months of standard Marathon membership. This tier suits individuals who want the most thorough initial assessment available at the practice.
Yes. Marathon Direct Primary Care accepts HSA and FSA payments for membership fees. Starting January 1, 2026, HSA funds up to $150 per month for individuals and $300 per month for families can apply directly toward a DPC membership.
Marathon Direct Primary Care does not accept insurance for membership fees. The practice operates on a direct-pay model. Dr. Wenhold recommends pairing the membership with a high-deductible health plan or a health sharing plan to cover hospitalizations and major medical events.
Prospective members can schedule a free 30-minute virtual health discovery session via Zoom. This session lets you learn more about the practice and ask questions before committing. You can also sign up directly through the practice website.
Yes. Non-members can purchase individual services including a DEXA scan for $249, an InBody scan for $39, a VO2 max test for $249, a four-test VO2 max bundle for $749, and a force plate analysis for $129.
The practice tracks over 100 biomarkers over time. These include cardiovascular markers such as Lp(a) and ApoB, thyroid function, hormonal levels, autoimmune markers, metabolic health indicators, and inflammatory markers. Dr. Wenhold reviews trends in these results to build proactive health strategies for each member.
Yes. Marathon Direct Primary Care offers telemedicine visits in addition to in-person appointments. Members can also reach Dr. Wenhold directly by call or text for ongoing communication between visits.
The practice is located at 23119 W IH-10, Suite 18, San Antonio, TX 78257, within Dominion Place next to the Tesla dealership.
Yes. Dr. Wenhold provides hormone replacement therapy for both men and women using testosterone, estrogen, progesterone, and DHEA. He uses DUTCH hormone testing to guide treatment. As a NAMS Certified Menopause Practitioner, he specializes in managing all stages of hormonal transition for women.
Practice last updated March 22, 2026




