Doctor profile · Federal record

Dr. Larissa Mattei, MD

Gynecologic Oncology Physician (CMS: Obstetrics/Gynecology) · Worcester, MA

  • NPI 1942730817
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
33 Kendall St
Worcester, MA 016052726
(508) 334-1160
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
August 12, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
Massachusetts #1020114

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942730817. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$309
Transactions
10
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 1 $112.97
AstraZeneca Pharmaceuticals Lp 4 $89.73
GlaxoSmithKline, LLC. 2 $40.01
Myriad Genetic Laboratories, INC. 1 $26.81
Abbvie INC. 1 $20.07
Eisai INC. 1 $19.68

By nature of payment

Food and Beverage
$309

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Larissa Mattei's medical specialty?
Dr. Larissa Mattei practices Gynecologic Oncology Physician in Worcester, MA.
Where does Dr. Larissa Mattei practice?
Dr. Larissa Mattei practices at 33 Kendall St, Worcester, MA 016052726. Office phone: 5083341160.
What is Dr. Larissa Mattei's NPI?
Dr. Larissa Mattei's National Provider Identifier (NPI) is 1942730817, issued by NPPES.
Does Dr. Larissa Mattei accept Medicare assignment?
Yes. Dr. Larissa Mattei accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.