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

Alyssa Marie Tonelli, NP

Individual provider Nurse Practitioner · NPI 1881365351

Alyssa Marie Tonelli, NP is a Nurse Practitioner in Worcester, Massachusetts. Qualified in 2021, 5 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
5
Licensed in
MA
In the registry since
2021
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: (508) 334-3550
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 275 Nichols Rd, Fitchburg, MA 01420-1919 — (978) 343-5048
  • 157 Union St, Marlborough, MA 01752-1228 — (508) 486-6700

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence RN2337126 (MA)
Nurse Practitioner Taxonomy 363L00000X · Licence RN2337126 (MA)

Record details

NPI number1881365351
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedSeptember 24, 2021
Last updated in NPPESMarch 21, 2022
Certification dateMarch 21, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 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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