Key points
- Steven Phillips, MD is a Yale-trained physician specializing in Lyme disease, Bartonella, and other chronic tick-borne and vector-borne infections.
- He is co-author of Chronic, a widely cited book on persistent infection and chronic illness.
- In December 2025 he was an invited panelist at the HHS Lyme Disease Roundtable convened by the U.S. Secretary of Health and Human Services.
- He writes the ZeroSpin newsletter, read by more than 8,000 subscribers.
Who is Dr. Steven Phillips?
Steven Phillips, MD is a physician who has spent decades treating complex chronic illness. His clinical focus is Lyme disease, Bartonella, and other tick-borne and vector-borne infections that can persist despite standard antimicrobial treatment.
He is Yale-trained and internationally recognized in the field of chronic illness due to chronic infections. He has cared for patients with severe, treatment-refractory disease that other clinicians were unable to resolve.
Clinical expertise
Dr. Phillips treats the infections most often missed by routine testing. These include Lyme borreliosis, Bartonella, Babesia, and related co-infections.
His work centers on a clinical reality many guidelines overlook: some infections survive standard treatment as persisters. Recognizing and addressing persistence is central to his approach.
The book: Chronic
Dr. Phillips is co-author of Chronic: The Hidden Cause of the Autoimmune Pandemic and How to Get Healthy Again, written with Dana Parish. The book examines the link between persistent infection and chronic illness, including autoimmune and cardiovascular disease.
Read more on the book page.
National recognition
On December 15, 2025, Dr. Phillips was an invited panelist at the HHS Lyme Disease Roundtable, convened by U.S. Secretary of Health and Human Services Robert F. Kennedy, Jr. The roundtable marked a milestone in federal recognition of Lyme disease as a public-health priority.
Sources: HHS press release · LymeDisease.org roundtable summary.
Writing and advocacy
Dr. Phillips writes ZeroSpin, a newsletter on medicine, emerging science, and chronic illness, read by more than 8,000 subscribers. He is an advocate for open scientific debate and for patients whose illness has been dismissed.
Watch & listen
Talks and interviews are on Dr. Phillips’s YouTube channel.
Practice status
Dr. Phillips’s clinical practice (Steven Phillips, MD PC) is permanently closed and is not accepting new patients as of June 17, 2026. This site is for general informational and educational purposes. It does not provide medical advice and does not create a doctor–patient relationship.
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