Fundraising Fox

HealthSpark

YC F24

San Francisco, US · Founded 2024 · 1 employees · 1 known investors

Find your way into HealthSpark

297 people in our graph share verified history with the HealthSpark team — schools, employers, funds. One of them is your warm intro.

Bruce Armstrongunlockedknows Stephen Grinich · together at Rad AI (overlapped)
×8knows the team · via Flare Capital Partners
×3knows the team · via Stanford University School of Medicine

HealthSpark provides telehealth physical therapy services delivered by licensed Doctors of Physical Therapy to patients with musculoskeletal conditions such as back pain, knee issues, and post-surgery recovery. The service is available in California and includes personalized exercise programs, weekly check-ins, and messaging support between visits.

Also known as Warrior Health

AI & Machine LearningDigital HealthHealthtechHealth TechHealthcareAIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (F24)

HealthSpark was founded in 2024 by Stephen Grinich.

SGStephen Grinich
Stephen Grinichin𝕏FounderCEO and founder of HealthSpark, which delivers telehealth physical therapy services to patients with musculoskeletal conditions.

Investors · 1

Y CombinatorSan Francisco · $500K

Competitors · 6

by search overlap
Zocdoc95 shared keywordsZocdoc runs an online marketplace where US patients find in-network doctors and dentists and book in-person or telehealth appointments.
Fresha’s Website90 shared keywordsFresha is a booking platform and business management software for salons, barbershops, medspas, and wellness studios, letting consumers discover and book beauty and self-care appointments while providing businesses with online booking, payments, reminders, and consultation forms. It operates as a marketplace connecting clients with self-care providers across 120+ countries.
Petehealth89 shared keywordsPeteHealth provides in-home physical therapy and custom-fit medical braces to patients, with coverage often available through Medicare and insurance plans. The company pairs licensed physical therapists with personalized bracing solutions aimed at injury recovery, post-surgical healing, and mobility improvement.
Beaming Health80 shared keywords
Luna74 shared keywordsLuna is a home-based physical therapy service that connects patients with licensed physical therapists for in-person treatment at their home or workplace, supported by an app for exercise prescription and communication between sessions.
Nextdoor (NYSE: 2021)44 shared keywordsNeighborhood social network; IPO 2021

Companies competing with HealthSpark for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Organizations receive HealthSpark grant funds for housing, community needsthereporteronline.com · Mar 2026HealthSpark Foundation Launches Local Impact Investing Initiative to Strengthen Montgomery County Communities | HealthSpark Foundationhealthspark.org · Nov 2025HealthSpark - Empowering physical therapists to go independentycombinator.com · Nov 2024

Frequently asked questions

What does HealthSpark do?
HealthSpark provides telehealth physical therapy services delivered by licensed Doctors of Physical Therapy to patients with musculoskeletal conditions such as back pain, knee issues, and post-surgery recovery. The service is available in California and includes personalized exercise programs, weekly check-ins, and messaging support between visits.
Who founded HealthSpark?
HealthSpark was founded by Stephen Grinich in 2024.
Who are HealthSpark's investors?
HealthSpark's investors include Y Combinator.
Where is HealthSpark headquartered?
HealthSpark is headquartered in San Francisco, US.