Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Holly Diercks, OT, OTR/L

Individual provider Occupational Therapist · NPI 1912864596

Holly Diercks, OT, OTR/L is registered under Occupational Therapist in Private Practice in Rochester, Minnesota. Qualified in 2025, 1 year ago. Practices with Mayo Clinic, a 4,796-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
1
Licensed in
MN
In the registry since
2026
What do these letters mean?
OT — Occupational Therapist
Helps people regain the skills needed for daily living and work.
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.

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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

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 108034 (MN)

Record details

NPI number1912864596
Entity typeIndividual (Type 1)
GenderFemale
Credentials OT , OTR/L
Sole proprietorNo
NPI enumeratedJanuary 6, 2026
Last updated in NPPESMarch 2, 2026
Certification dateMarch 2, 2026

Medicare enrollment

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

Medicare specialtyOCCUPATIONAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Mayo Clinic

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 4796 clinicians in the practice; 12 are shown here.

Other providers in Rochester