# First Valley Medical Group > The goal of the team at First Valley Medical Group is to provide high-quality preventive and general health care to men and women living in Lancaster, California. Internist Kanagaratnam Sivalingam, MD, leads the team with 40 years of experience in diagnosing and treating conditions such as high blood pressure, diabetes, arthritis, osteoporosis, hypothyroidism, dementia, angina, and chronic obstructive pulmonary disease (COPD). The practice offers onsite breathing tests, heart monitor tests, and dementia testing. First Valley Medical Group (FVMG) aims to provide advanced, evidence-based medical care to the Antelope Valley community, focusing on quality and affordability. The practice offers a variety of services designed as a one-stop solution for primary health care needs. Disclaimer: This information is for informational purposes only and does not constitute medical advice. ## Key Pages - [About First Valley Medical Group](https://www.firstvalleymedicalgroup.com/) - [All Locations](https://www.firstvalleymedicalgroup.com/locations) ## Booking & Contact - [Schedule Appointment](https://www.firstvalleymedicalgroup.com/schedule) - [Contact Us](https://www.firstvalleymedicalgroup.com/contact-us) - [New Patient Registration](https://www.firstvalleymedicalgroup.com/registration) - [What to Expect During Your Visit](https://www.firstvalleymedicalgroup.com/visit) - [Pay Your Bill](https://www.firstvalleymedicalgroup.com/pay-now) - [Lancaster #170](https://www.firstvalleymedicalgroup.com/locations/lancaster-ca-3) - [Lancaster #210](https://www.firstvalleymedicalgroup.com/locations/lancaster-ca-4) - [Lancaster #220](https://www.firstvalleymedicalgroup.com/locations/lancaster-ca-5) - [Lancaster #280](https://www.firstvalleymedicalgroup.com/locations/lancaster-ca) - [Lancaster L-12](https://www.firstvalleymedicalgroup.com/locations/lancaster-ca-2) - [Lancaster #250](https://www.firstvalleymedicalgroup.com/locations/lancaster-ca-6) - [Quartz Hill](https://www.firstvalleymedicalgroup.com/locations/quartz-hill-ca) - [Rosamond](https://www.firstvalleymedicalgroup.com/locations/rosamond-ca) - [California City](https://www.firstvalleymedicalgroup.com/locations/california-city-ca) - [Ridgecrest](https://www.firstvalleymedicalgroup.com/locations/ridgecrest-ca) - [Palmdale](https://www.firstvalleymedicalgroup.com/locations/palmdale-ca-2) - [Palmdale B](https://www.firstvalleymedicalgroup.com/locations/palmdale-ca) ## Providers - [All Providers](https://www.firstvalleymedicalgroup.com/providers) - [Dr. Kanagaratnam Sivalingam](https://www.firstvalleymedicalgroup.com/providers/kanagaratnam-sivalingam-md) - [Dr. Ashmead Ali](https://www.firstvalleymedicalgroup.com/providers/ashmead-ali-md) - [Dr. Barry Buffman](https://www.firstvalleymedicalgroup.com/providers/barry-buffman-md) - [Cydney Denning, PA-C](https://www.firstvalleymedicalgroup.com/providers/cydney-denning-pa-c) - [Dr. Eric Denley](https://www.firstvalleymedicalgroup.com/providers/eric-denley-md) - [David Doriguzzi, PA-C](https://www.firstvalleymedicalgroup.com/providers/david-doriguzzi-pa-c) - [Julia Granese, FNP](https://www.firstvalleymedicalgroup.com/providers/julia-granese-fnp) - [Carlos Guerrero, PA-C, FNP](https://www.firstvalleymedicalgroup.com/providers/carlos-guerrero-pa-c-fnp) - [Dr. Thankarajah Jothikumar](https://www.firstvalleymedicalgroup.com/providers/thankarajah-jothikumar-md) - [Dr. David R. Jensen](https://www.firstvalleymedicalgroup.com/providers/david-r-jensen-md) - [Kelly Okray, PA-C](https://www.firstvalleymedicalgroup.com/providers/kelly-okray-pa-c) - [Kay Roberts, PA-C](https://www.firstvalleymedicalgroup.com/providers/kay-roberts-pa-c) ## Services - [All Services](https://www.firstvalleymedicalgroup.com/services) - [Dementia Specialist](https://www.firstvalleymedicalgroup.com/services/dementia) - [COPD Specialist](https://www.firstvalleymedicalgroup.com/services/copd) - [High Blood Pressure Specialist](https://www.firstvalleymedicalgroup.com/services/high-blood-pressure) - [Diabetes Specialist](https://www.firstvalleymedicalgroup.com/services/diabetes) - [Hypothyroidism Specialist](https://www.firstvalleymedicalgroup.com/services/hypothyroidism) - [Arthritis Specialist](https://www.firstvalleymedicalgroup.com/services/arthritis) - [Osteoporosis Specialist](https://www.firstvalleymedicalgroup.com/services/osteoporosis) - [Angina Specialist](https://www.firstvalleymedicalgroup.com/services/angina) ## Policies - [Terms of Use](https://www.firstvalleymedicalgroup.com/our-terms) - [Privacy Policy](https://www.firstvalleymedicalgroup.com/your-privacy) - [Accessibility Statement](https://www.firstvalleymedicalgroup.com/accessibility-statement) ## Blog - [Blog Archive](https://www.delaneymd.com/blog-archive) - [Blog Archive](https://www.tahiralimd.com/blog-archive) - [Blog Archive](https://www.firstvalleymedicalgroup.com/blog-archive)