Hair Systems International
Surgeon verified State medical license
Mark S. DiStefano, MD
We list 11 clinics in Massachusetts. 9 have at least one surgeon we have verified.
Verification sources used on this page: State medical license (9), ISHRS (7), ABHRS (6). Last checked September 2026.
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Viewing 1-11 of 11 clinics
Every state runs its own searchable license register, so a verified surgeon here turned up on their state board, on the ABHRS list, or in ISHRS membership. A state license means they can practice medicine there.
Surgeon verified State medical license
Mark S. DiStefano, MD
Surgeon verified ISHRS · State medical license
Mark S. DiStefano, MD
Surgeon verified ISHRS · State medical license
Mark S. DiStefano, MD
1 of 2 surgeons verified ISHRS · ABHRS · State medical license
Dr. Robert Leonard, Matthew Lopresti, DO
1 of 2 surgeons verified ISHRS · ABHRS · State medical license
Dr. Robert Leonard, Matthew Lopresti, DO
All 2 surgeons verified ISHRS · ABHRS · State medical license
Dr. Robert Leonard, Matthew Lopresti, DO
1 of 2 surgeons verified ISHRS · ABHRS · State medical license
Dr. Robert Leonard, Matthew Lopresti, DO
1 of 2 surgeons verified ISHRS · ABHRS · State medical license
Dr. Mark DiStefano, Dr. Chris Heinis
1 of 2 surgeons verified ABHRS · State medical license
Dr. Mark DiStefano, Dr. Chris Heinis
These clinics either don't name a doctor or name one we couldn't match, and your state board's register is free to search. Before booking, check the license comes back active with no disciplinary action against it.
Dr. Gerald Scott Welker, Mark Oyama, MD, Dr. James Aachen-Winans +8
Dr. Robert Dorin, Dr. Robert True
The USA has general medical rules that cover hair transplants, and checking is about average.
You can look your doctor up yourself on the government’s official list of licensed doctors. It is free to search. Search it here (opens the government register in a new tab)
What the rules are in the USA