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

Mr. William Howard Holmes

Individual provider Social Worker · NPI 1952190225

Mr. William Howard Holmes is a Clinical Social Worker in Rochester, Minnesota. Qualified in 2022, 4 years ago. Practices with Mayo Clinic, a 4,796-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
4
Licensed in
MN
In the registry since
2025
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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.

Additional practice locations (1)

  • 1216 2nd St Sw, Rochester, MN 55902-1906 — (507) 538-2726

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 31077 (MN)

Record details

NPI number1952190225
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 3, 2025
Last updated in NPPESNovember 12, 2025
Certification dateNovember 12, 2025
Mailing addressPo Box 860912, Minneapolis, MN 55486-0912

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
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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