At Harry C Henderson III Inc, we bring years of clinical expertise and genuine compassion to every patient interaction. Your health deserves nothing less than dedicated, personalized attention.
Harry C Henderson III Inc has been a cornerstone of healthcare in La Mesa for over 15 years. We founded our practice on a simple belief: every patient deserves a physician who truly listens, explains things clearly, and treats you like family — not a file number.
Our team combines board-certified expertise with a warm, approachable style that puts you at ease from the moment you walk through our doors. Whether it's a routine check-up or managing a chronic condition, we're here for the long haul.
From preventive screenings to chronic disease management, we provide a full spectrum of medical services tailored to your unique needs.
Stay ahead of your health with annual exams, immunizations, and screenings designed to catch issues before they become problems.
Expert ongoing care for diabetes, hypertension, asthma, and other conditions — with personalized plans that keep you healthy and in control.
Same-day appointments available for infections, sprains, allergies, and other urgent concerns — because you shouldn't wait weeks to feel better.
Continuous care for every stage of life — from pediatric check-ups to senior wellness visits — all under one roof in our La Mesa office.
On-site lab work for blood tests, urinalysis, and other diagnostics — so you get answers faster and don't have to go elsewhere.
Nutrition guidance, weight management support, and lifestyle coaching to help you build habits that last a lifetime.
We've built a reputation in La Mesa by putting patients first — and the numbers speak for themselves.
A decade and a half of trusted medical care right here in your neighborhood.
Families across La Mesa and surrounding communities rely on our practice.
Consistently rated excellent by the patients who matter most — you.
The vast majority of our patients choose to stay with us year after year.
Real feedback from real people who trust us with their health and the health of their families.
"I've been coming here for over five years and wouldn't go anywhere else. Dr. Henderson takes the time to actually listen and explain everything clearly. It's rare to find that kind of care."
"The whole staff is incredibly friendly and professional. They got me in the same day I called when my son was sick. They treated him with such kindness — we're now a family patient practice."
"Managing my diabetes felt overwhelming until I found this practice. Dr. Henderson created a plan that actually works for my lifestyle. My numbers have never been better. Truly life-changing care."
Whether it's a routine check-up or you need care right away, we're ready to welcome you. Call us or fill out the form and we'll get back to you promptly.
5565 Grossmont Center Dr
La Mesa, CA 91942-2937
Monday – Friday: 9:00 AM – 5:00 PM
Saturday – Sunday: Closed
We accept most major insurance plans. Please call us to verify your coverage before your visit. Self-pay and cash-pay options are also available.
