Doctor profile · Federal record

Dr. Alyssa Tonelli, NP

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Worcester, MA

  • NPI 1881365351
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3550
Additional location
157 Union St
Marlborough, MA 017521228
(508) 486-6700
Additional location
275 Nichols RD
Fitchburg, MA 014201919
(978) 343-5048
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
September 2021 — 5 yrs on file
Profile last updated
March 21, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
Massachusetts #RN2337126

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881365351. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
220
Distinct HCPCS
2
Medicare allowed
$15,680
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 195 47 $68
99239 Hospital discharge day management, more than 30 minutes 25 22 $98

In context: peer comparison

Among 36 peers in Worcester Acute Care Nurse Practitioner, average services per provider: 120. This provider delivers 1.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alyssa Tonelli's medical specialty?
Dr. Alyssa Tonelli practices Acute Care Nurse Practitioner in Worcester, MA.
Where does Dr. Alyssa Tonelli practice?
Dr. Alyssa Tonelli practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343550.
What is Dr. Alyssa Tonelli's NPI?
Dr. Alyssa Tonelli's National Provider Identifier (NPI) is 1881365351, issued by NPPES.
Does Dr. Alyssa Tonelli accept Medicare assignment?
Yes. Dr. Alyssa Tonelli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyssa Tonelli commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.