Doctor profile · Federal record

Dr. Arthur D'Souza, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Gastroenterology Physician · Wilton, CT

  • NPI 1306937602
  • Accepts Medicare
  • MIPS 89.1 / 100 · 2023
  • 60 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
249 Danbury RD
Wilton, CT 06897
(203) 762-3353
fax (203) 761-8563

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
September 7, 2023
Year of graduation
1966 — 60 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #015934

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306937602. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
361
Distinct HCPCS
6
Medicare allowed
$32,407
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 109 71 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 108 78 $134
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 54 53 $15
90662 Influenza vaccine split virus, preservative free 33 33 $70
G0008 Administration of influenza virus vaccine 33 33 $32
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 24 24 $139

In context: peer comparison

Among 7 peers in Wilton Internal Medicine Physician, average services per provider: 69. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
869
Patients
218
Total drug cost
$11,447
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 216 69 $3,088
Amlodipine Besylate Generic 92 29 $761
Metoprolol Succinate Generic 82 25 $2,138
Levothyroxine Sodium Generic 70 19 $928
Lisinopril Generic 64 20 $726
Metformin Hcl Generic 58 20 $510
Atenolol Generic 43 12 $659
Tamsulosin Hcl Generic 41 12 $754
Sertraline Hcl Generic 33 0 $229
Hydrochlorothiazide Generic 32 0 $131

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Arthur D'Souza's medical specialty?
Dr. Arthur D'Souza practices Internal Medicine Physician in Wilton, CT.
Where does Dr. Arthur D'Souza practice?
Dr. Arthur D'Souza practices at 249 Danbury RD, Wilton, CT 06897. Office phone: 2037623353.
What is Dr. Arthur D'Souza's NPI?
Dr. Arthur D'Souza's National Provider Identifier (NPI) is 1306937602, issued by NPPES.
Does Dr. Arthur D'Souza accept Medicare assignment?
Yes. Dr. Arthur D'Souza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Arthur D'Souza commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.