Medical Technology startups in Southern California
A deep biotech research base and a growing bench of medical device and diagnostics startups.
Companies
CeleCor Therapeutics develops zalunfiban, an investigational next-generation GPIIb/IIIa platelet inhibitor designed for pre-hospital treatment of STEMI heart attacks.
VST BIO Corp is a biotechnology company developing first-in-class antibody drugs for the treatment of inflammatory and cardiovascular diseases, including stroke and acute myocardial infarction, as well as sepsis.

Plexium is a next-generation targeted protein degradation (TPD) company that discovers Monovalent Direct Degraders and Molecular Glues.

Laxmi will help people with diabetes stay in range more often, supporting better day-to-day control and long-term health through industry-first dermal continuous glucose monitoring.
Co-founded in 2018 by Scott Glenn and Lauren Otsuki, the skincare-tech company (parent of the Ourself brand) is backed by Lightspeed Venture Partners and added former Allergan CEO Brent Saunders to its board.

Affinity Biosensors’ LifeScale platform delivers rapid, high-throughput phenotypic antimicrobial susceptibility testing in under four hours, empowering clinical labs to make timely antibiotic decisions and combat drug-resistant infections.
Discover how Immunis, a private biotechnology company is developing new secretome products for the treatment of age-related immune dysfunction
Oncocyte is a publicly traded diagnostics company (Nasdaq: OCX) that later renamed itself Insight Molecular Diagnostics and relocated its headquarters to Nashville.
SRT Therapeutics was founded in 2024 by former leaders of Prometheus Biosciences, including President & CEO Lauren Otsuki, and launched with roughly $47M in funding.
Restora Medical, Inc. focuses on Restorative Sleep Apnea Therapy using Targeted Nerve Stimulation.

Ceresti reduces hospitalizations and medical costs for people living with dementia by activating family caregivers to detect changes in the patient's condition.
Qardio is making heart health easier for everyone. Improve your health by tracking your blood pressure, ECG & heart rate, weight, body composition and more.

Gallant offers ready-to-use stem cell therapies that help pets heal from within, restoring vitality and supporting longer, healthier lives.
Co-founded by Anton Kittelberger and Frank Westermann, who himself lives with diabetes; backers include Define Ventures and 7Wire Ventures.
Protego Bio is a clinical-stage biotech developing first-in-class small molecule pharmacological chaperones for AL amyloidosis and other protein misfolding diseases.

The most comprehensive executive health assessment — full-body MRI, whole genome sequencing, 120+ biomarkers & AI analysis in one visit. Starting at $8,000.

Price with precision. Negotiate with confidence. Turquoise is the platform 300+ healthcare organizations use to make sense of rates, contracts, and compliance.

Discover vMap - The FDA-Cleared Non-Invasive AI-based Arrhythmia Analysis Solution by Vektor Medical. Improve Cardiac Ablation Efficiencies & Outcomes Today.
Elevating senior healthcare together. Discover comprehensive primary care, preventive care, behavioral health and more. Partner with us for a healthier future.

California-based IV therapy manufacturer serving hospitals, IDNs, and medical device OEMs across North America. ISO13485 certified with 50+years of expertise.
The U.S. operating arm of CODAN Companies, a Danish medical device manufacturer founded in 1939, with its American headquarters in Santa Ana, CA.

SmartHealth Holdings, Inc. drives transformative innovation in healthcare diagnostics, including groundbreaking imaging systems for pathology, advanced vascular diagnostics, and oncology-focused solutions, notably with its pioneering MUSE technology for slide-free digital pathology.
Alume Biosciences is developing nerve illumination technology, specifically bevonescein (ALM-488), to help surgeons protect and preserve nerve function during surgery by making nerves glow.
GATC Health is a tech-bio company that uses proprietary AI to accelerate and de-risk the discovery and development of safer and more effective drugs for biopharma companies and investors.
858 Therapeutics (its name references San Diego's 858 area code) has raised $110M across Series A and B rounds led by Versant Ventures and Avidity Partners, with participation from NEA and Insight Partners.
Poseida Therapeutics, a San Diego cell and gene therapy company founded by Eric Ostertag and once listed on Nasdaq as PSTX, was acquired by Roche in a December 2024 tender offer at $9.00/share cash plus a contingent value right.

AI-powered risk adjustment software designed to increase the profitability of Medicare risk contracts.
Serimmune was founded by Patrick Daugherty, a former UC Santa Barbara chemical engineering professor who also co-founded CytomX Therapeutics; backers include Illumina Ventures, LabCorp, and Merck.

Medical billing and revenue cycle management where AI agents carry every claim and expert billers fight the hard dollars. Free scan of your last 90 days.
Innova is engaged in developing innovative medical devices for treating vascular disease using a minimally invasive approach. Contact us.

The key to managing cancer is early detection. ClearNote Health makes this possible by finding signals of cancer in the blood early
German skincare giant Beiersdorf (maker of Nivea) became an investor in the company; Amicrobe later rebranded as Macro Biologics.

Lumati is a global holistic wellness optimization platform redefining longevity through science, technology, and personalized care — supporting cellular health, promoting recovery, and sustaining vitality.
Pictor Labs is The Virtual Staining Company enabling digital pathology adoption through computational virtual staining technology that preserves tissue for comprehensive downstream analysis.

SYLKE® Skin Closure is a sterile, single-use, silk fibroin mesh strip with a pressure-sensitive adhesive intended for topical skin closure and wound support. The device is used to hold together well-approximated skin edges of a wound, and to cover and protect the wound. Learn more at sylke.com.

ThinkBio.Ai is an AI-powered healthcare and life sciences solutions company, transforming complex data into actionable insights for better, faster decision-making.

Rejuvenate Bio uses a gene therapy approach to treat chronic, age-related diseases by targeting the root causes of aging to create treatments for chronic conditions affecting both companion animals and humans.
Rapalogix is advancing a portfolio of TORC1-selective therapies and pro-longevity skincare products, addressing skin aging and disease at the root to extend skin healthspan.
Spinogenix is pioneering first-in-class, investigational therapeutics that restore brain synapses to improve the lives of patients worldwide.

Paulex Bio stands at the threshold of what could be a transformative breakthrough for type 1 and type 2 diabetes: beta cell regeneration through an oral medicine designed to eliminate the root cause of diabetes.

Athos Therapeutics Inc. is a clinical stage biotechnology company that pioneers the development of artificial intelligence-based Precision Therapeutics for patients with Inflammatory Bowel Disease and other inflammatory diseases.

AristaMD empowers primary care providers with excellent specialty care - improving patient outcomes with timely, cost-effective access.
SYSTM Foods is a company focused on strategically acquiring and nurturing a portfolio of cold chain beverage brands that offer better-for-you functional beverages, including organic coffee, plant-based protein, and low/no sugar gut health options.
Tempo Therapeutics is a biotechnology and tissue engineering company based out of San Diego, CA specializing in speeding up patient recovery.

TadHealth is the leading school-based EHR platform designed for K‑12 schools, empowering mental health professionals with intuitive tools to manage care, streamline operations, and improve student outcomes.
Astiva Health, a Costa Mesa Medicare Advantage HMO, was co-founded by physician Dr. Tri Nguyen (CEO) and Chi Luong, and reported 188% membership growth to over 30,000 members.

Model Medicines engineers first-in-class small molecules against biological choke points, using AI to advance pipeline-in-a-pill therapeutics across high-impact diseases.

Price transparency and plan design tools for self-funded health plan comparisons and enhanced employee benefits strategies.

Syndex Bio introduces mcPCR, a novel and proprietary platform technology that preserves DNA methylation during DNA amplification, enabling simpler, faster, and more sensitive analysis of methylated DNA.
The Data Intelligence Network for Healthcare OutcomeMD’s Patient Experience Data Network™ turns de-identified patient-reported outcome measures (PROMs) into act
Primrose Bio specializes in innovative manufacturing solutions for biotherapeutics and vaccines, setting new standards for quality and production efficiency.
We explore the immense therapeutic opportunities to help those bound by autoimmune neuropsychiatric diseases.
Modyfi delivers integrative psychiatric care via telehealth — whole-person, insurance-based treatment connecting mind, body, and lifestyle.

Science-backed fertility, prenatal, postpartum, perimenopause, and women's health supplements. Trusted by 20,000+ practitioners and experts. Shop Needed.
In only five minutes and a penny-sized patch, Mindera Health technology captures thousands of RNA transcripts. We enable scalable collection and analysis of individualized genetic information to provide actionable, data-driven decisions for patients, providers and payers.

Valora Therapeutics is developing AbLec™ multispecific antibodies and T-Lec™ T cell engagers — antibody-engineering platforms that decoy the glyco-immune checkpoint to create best-in-class therapeutics for cancer and autoimmune disease.