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

Marsha C. Olson, NP

Individual provider Nurse Practitioner · NPI 1184685851

Marsha C. Olson, NP is a Nurse Practitioner in Leominster, Massachusetts. Qualified in 1998, 28 years ago. Practices with Shane Speirs MD II PLLC, a 17-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
28
Licensed in
MA
In the registry since
2006
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

100 Hospital Rd Ste 3B
Leominster, MA 01453-2253
Phone: (978) 534-3179
Fax: (978) 840-3161
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 133753 (MA)

Record details

NPI number1184685851
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMarch 31, 2006
Last updated in NPPESJuly 21, 2022
Mailing address100 Hospital Rd Ste 3b, Leominster, MA 01453-2253

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Shane Speirs Md Ii Pllc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Leominster