Doctor profile · Federal record

Dr. Melissa D'Souza, M.D

Internal Medicine Physician (CMS: Critical Care (Intensivists)) · Student in an Organized Health Care Education/Training Program · Boston, MA

  • NPI 1366963597
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
165 Cambridge St
Boston, MA 021142783
(617) 726-4600
Mailing address
47 New Scotland Avenue, Dept. of Internal Medicine
Albany, NY 12208

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
December 22, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #283629

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366963597. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
71
Distinct HCPCS
2
Medicare allowed
$11,997
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 37 24 $214
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 34 22 $120

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$49
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $24.39
Janssen Pharmaceuticals, Inc 1 $24.35

By nature of payment

Food and Beverage
$49

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa D'Souza's medical specialty?
Dr. Melissa D'Souza practices Internal Medicine Physician in Boston, MA.
Where does Dr. Melissa D'Souza practice?
Dr. Melissa D'Souza practices at 165 Cambridge St, Boston, MA 021142783. Office phone: 6177264600.
What is Dr. Melissa D'Souza's NPI?
Dr. Melissa D'Souza's National Provider Identifier (NPI) is 1366963597, issued by NPPES.
Does Dr. Melissa D'Souza accept Medicare assignment?
Yes. Dr. Melissa D'Souza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa D'Souza commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.