Updated 2026-06-16 · Ranked by patient reviews
The best med spa in Fullerton, CA is Henry Kaw, M.D. Family Medicine | PPO, CIGNA, HUMANA, MEDICARE | GLP 1 GIP Wegovy, Zepbound Ozempic Mounjaro | Urgent Care, a 4.8★ medical spa with 464 verified patient reviews, known for weight loss service. For 2026 it ranks #1 in Fullerton, CA.
Fullerton, CA has one standout med spa ranked below for 2026, ordered by patient rating and review volume from our directory of 1 provider in Fullerton, CA. Henry Kaw, M.D. Family Medicine | PPO, CIGNA, HUMANA, MEDICARE | GLP 1 GIP Wegovy, Zepbound Ozempic Mounjaro | Urgent Care leads the list with 4.8★ across 464 reviews. Each entry links to a full profile with services, pricing, hours, and reviews.
4.8★ from 464 patient reviews — the top review profile in Fullerton, CA.
Weight loss service
Henry Kaw, M.D. Family Medicine | PPO, CIGNA, HUMANA, MEDICARE | GLP 1 GIP Wegovy, Zepbound Ozempic Mounjaro | Urgent Care ranks #1 in Fullerton, CA by patient rating and review volume (4.8★, 464 reviews). See the full Top 1 above.
Botox in Fullerton, CA typically runs $10–$25 per unit. Most of the med spas ranked here offer it alongside fillers, laser, and skin treatments.
By patient rating combined with review volume (rating × the log of review count), the same transparent formula used across No BS Med Spa Reviews. Owner-operated locations are labeled. See /how-we-rank for the full methodology.