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

Catharine Mary Armentrout, FNP

Individual provider Family Nurse Practitioner · NPI 1275834061

Catharine Mary Armentrout, FNP is a Nurse Practitioner in Springfield, Massachusetts. Qualified in 2010, 16 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Massachusetts and New York.

Years since qualifying
16
Licensed in
MA, NY
In the registry since
2010
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

1049 Main St
Springfield, MA 01103-2114
Phone: (413) 739-1100
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 100 South St, Southbridge, MA 01550-4051 — (508) 909-7735
  • 68 Harris Bushville Rd, Harris, NY 12742 — (845) 333-8484
  • 707 E Main St, Middletown, NY 10940-2650 — (845) 333-3370

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN2311164 (MA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 336548 (NY)

Record details

NPI number1275834061
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedNovember 9, 2010
Last updated in NPPESAugust 6, 2026
Certification dateAugust 6, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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