Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

William Hatton Swain, MD

Individual provider Internal Medicine Physician · NPI 1548910193

William Hatton Swain, MD is an Internal Medicine in Rochester, Minnesota. Graduated from University of Wisconsin School of Medicine in 2022, 4 years ago. Practices with Mayo Clinic, a 4,796-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
4
Trained at
University of Wisconsin School of Medicine
Licensed in
MN
In the registry since
2022
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

200 1st St SW
Rochester, MN 55905-0001
Phone: (507) 284-2511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 74717 (MN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 32527 (MN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 74717 (MN)

Record details

NPI number1548910193
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 26, 2022
Last updated in NPPESJune 16, 2025
Certification dateJune 16, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2022 (4 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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