Arthur George D'Souza, M.D.
Internal Medicine Physician · Wilton, CT
Arthur George D'Souza, M.D. is an internal medicine physician with a practice address in Wilton, Connecticut, and NPI 1306937602, issued on Sep 28, 2006. Check the license (Connecticut 015934, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Arthur George D'Souza
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 015934 CT
Self-reported in NPPES; status is on the state search - Practice location
- 249 Danbury RD, Wilton, CT 06897
- Phone
- (203) 762-3353
- Enumerated
- Sep 28, 2006
- Record last updated
- Sep 7, 2023
- Fax
- (203) 761-8563
- Medicare enrollment
- Enrolled (PECOS I20110928000346); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 249 Danbury RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Arthur George D'Souza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 015934Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,150 Medicare Part D claims for 172 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium127 claims
- Levothyroxine Sodium58 claims
- Metoprolol Succinate51 claims
- Amlodipine Besylate46 claims
- Lisinopril44 claims
- Tamsulosin Hcl34 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Arthur George D'Souza among 2,623 internal medicine physician records in Connecticut
Arthur George D'Souza, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1966 · median 2004 among the 1,646 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Wilton
They are 25 of the 435 NPPES records with a practice address in Wilton, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Wilton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sally Bergwerk, MDWilton, CT 068971205863560
- Carolyn Couture, M.D.Wilton, CT 068971730173527
- Nancy Gade, M. D.Wilton, CT 068971306938634
- Varshapriya Iyer, M.D.Wilton, CT 068971134211485
- Donald Leone, M.D.Wilton, CT 068971295727782
- Jeremiah Lewis, M.D.Wilton, CT 068971497747968
- Steven Phillips, MDWilton, CT 068971306876255
- Alan Radin, M.D.Wilton, CT 068971609858414
Common questions
What is Arthur George D'Souza, M.D.'s NPI number?
Arthur George D'Souza, M.D.'s National Provider Identifier (NPI) is 1306937602, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arthur George D'Souza, M.D. located?
The NPPES record lists a practice address at 249 Danbury RD, Wilton, CT, 06897. Phone: (203) 762-3353. Providers update this record themselves, so call before visiting.
How can I verify Arthur George D'Souza, M.D.'s license?
NPPES lists Connecticut license number 015934, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Arthur George D'Souza, M.D. prescribe under Medicare Part D?
In 2024, Arthur George D'Souza, M.D. had 1,150 Medicare Part D claims for 172 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Arthur George D'Souza, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.