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

Marilyn Helene Spencer, NP

Individual provider Registered Nurse · NPI 1326566811

Marilyn Helene Spencer, NP is a Nurse Practitioner in Rochester, Minnesota. Qualified in 2017, 9 years ago. Practices with Mayo Clinic, a 4,796-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Minnesota.

Years since qualifying
9
Licensed in
CA, MN
In the registry since
2017
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

200 1st St SW
Rochester, MN 55905
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)

  • 2200 Tydd St, Eureka, CA 95501-1284 — (707) 441-1624

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 6236 (MN)
Registered Nurse Taxonomy 163W00000X · Licence 95140380 (CA)

Record details

NPI number1326566811
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedSeptember 5, 2017
Last updated in NPPESMarch 20, 2026
Certification dateMarch 20, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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