Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Sarah Rachel Mallios, MSN, APRN, FNP-C

Individual provider Family Nurse Practitioner · NPI 1881321974

Mrs. Sarah Rachel Mallios, MSN, APRN, FNP-C is a Nurse Practitioner in Nashua, New Hampshire. Qualified in 2022, 4 years ago. Practices with St Joseph Hospital of Nashua Nh, a 268-clinician group and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
4
Licensed in
NH
In the registry since
2022
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

172 Kinsley St
Nashua, NH 03060-3648
Phone: (603) 884-3806
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 067158-23 (NH)

Record details

NPI number1881321974
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , APRN , FNP-C
Sole proprietorNo
NPI enumeratedAugust 8, 2022
Last updated in NPPESSeptember 21, 2022
Certification dateSeptember 21, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice St. Joseph Hospital Of Nashua Nh — 268 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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