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

Allison Marie Illsley, NP

Individual provider Acute Care Nurse Practitioner · NPI 1972974277

Allison Marie Illsley, NP is a Nurse Practitioner in Worcester, Massachusetts. Qualified in 2015, 11 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
11
Licensed in
MA
In the registry since
2015
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

55 Lake Ave N
Worcester, MA 01655-0002
Phone: (774) 443-7552
Fax: (774) 441-6086
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN2281827 (MA)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence RN2281827 (MA)

Record details

NPI number1972974277
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedOctober 13, 2015
Last updated in NPPESNovember 10, 2020
Certification dateNovember 10, 2020

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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