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Direct Primary Care
Primary Care

Pillar Primary Care, PLLC

Quick Facts

Practice TypeDirect Primary Care
DoctorsLuke Howell DO, Primary Care, Mark Mccoll MD, Primary Care

About

At Pillar Primary Care, PLLC, two physicians bring a straightforward belief to primary care in Knoxville, Tennessee. Mark Mccoll, MD and Luke Howell, DO built the practice around that conviction.

Pillar Primary Care operates outside insurance networks entirely. That choice frees the physicians to focus on patients rather than paperwork. The practice offers a wide range of services, including nutritional counseling, health coaching, osteopathic manipulative medicine, cardiovascular testing, home sleep apnea testing, discounted medications, and a menopause hormone clinic. The team also helps members find the lowest possible prices on outside testing and imaging. Members have saved over $2,100 on a single CT scan compared to hospital-affiliated facility prices. Sponsored memberships are available for employers and organizations looking to cover their members.

Details

Address

10437 Hardin Valley Rd, Knoxville, TN 37932

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Frequently Asked Questions

Enrollment at Pillar Primary Care happens entirely online through the Atlas MD platform. After enrolling, the practice emails forms to complete. Once the forms are returned, the team sets up a first visit and care begins from there.

Pillar Primary Care recommends that all members maintain some form of insurance or cost-sharing coverage for catastrophic events. Most members carry employer plans, individual plans, Medicare, Medicaid, or cost-sharing programs like Samaritan Ministries, Medi-Share, or Liberty Direct. A DPC membership complements that coverage by reducing out-of-pocket costs for everyday care.

No. Pillar Primary Care does not bill insurance for membership fees or for prescriptions dispensed through its in-office dispensary. This allows the physicians to spend time on patient care rather than insurance administration.

Yes. The practice actively researches pricing options in the Knoxville area and helps members find the lowest-cost facilities for outside testing. As of August 2022, Pillar Primary Care secured advanced imaging at 80 to 90 percent off local hospital-affiliated prices. Members can save over $2,100 on a basic CT scan alone.

The practice offers nutritional counseling, health coaching, osteopathic manipulative medicine, cardiovascular testing, home sleep apnea testing, discounted medications, ear piercings, and a menopause hormone clinic. The in-office dispensary provides medications at below-retail pricing. Members also receive help finding the best prices on outside prescriptions.

Yes. The practice frequently offers same-day or next-business-day appointments. Pillar Primary Care maintains a smaller patient panel than a standard practice, which keeps the schedule more open. Some concerns can also be addressed by phone or email for established patients.

Yes. Pillar Primary Care offers sponsored memberships for employers and organizations that want to cover their employees or members. Prospective sponsors can reach out to the practice to discuss options.

No. Pillar Primary Care focuses on long-term relationships with patients and offers membership-based care only. The practice does not accept one-time or walk-in appointments. Members benefit from same-day availability and ongoing access to their physician.

Pillar Primary Care now offers a dedicated menopause hormone clinic for members seeking hormone management consultations. Patients can schedule a consultation through the practice. This service adds to the broader range of women's health support available at the practice.

Pillar Primary Care strongly supports vaccines recommended for each stage of life. Most pediatric patients receive their vaccines through the Knox County Health Department vaccination clinic. The practice helps each family develop a plan to obtain vaccines at the lowest cost while staying on the standard recommended schedule.

Practice last updated April 10, 2026