Registry data as of Aug 27, 2026

Maria D'Souza, M.D.

Geriatric Medicine (Internal Medicine) Physician · Wilmington, DE

Maria D'Souza, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Wilmington, Delaware, and NPI 1144337486, issued on Aug 24, 2006. Check the license (Delaware C1-0011208, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1144337486
Name
Maria D'Souza
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
C1-0011208 DE
Self-reported in NPPES; status is on the state search
Practice location
2313 Concord Pike, Wilmington, DE 19803
Phone
(302) 663-7922
Enumerated
Aug 24, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Maria D'Souza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C1-0011208
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Delaware license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

95% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

204 Medicare Part D claims for 17 beneficiaries, against an average of 4,420 among the 2,888 providers of this specialty who prescribed in Part D.

  1. Maria D'Souza204
  2. Specialty average4,420

Most prescribed

  1. Trazodone Hcl25 claims
  2. Escitalopram Oxalate24 claims
  3. Buspirone Hcl21 claims
  4. Memantine Hcl19 claims
  5. Mirtazapine16 claims
  6. Quetiapine Fumarate16 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.

One hospital or facility affiliation

  1. Jewish Family Services OF DelawareWilmington, DE

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Geriatric Medicine (Internal Medicine) Physician providers in Delaware

There are 10 geriatric medicine (internal medicine) physician records in Delaware.

Other geriatric medicine (internal medicine) physician records in Delaware

  1. Patricia Androvich Chavarry, DODover, DE1861601114
  2. Rooparani Bhat, M.D.Hockessin, DE1164405361
  3. Lynsey Brandt, MDWilmington, DE1790848331
  4. Arlo Courter, M.D.Smyrna, DE1780781955
  5. Robert Laskowski, M.D., M.B.A.Wilmington, DE1477534907
  6. Heather McGlynn, CRNPMillsboro, DE1306218854
  7. Manu Sehgal, M.D.Milford, DE1447322060
  8. Harsha Tankala, MDDover, DE1164441242
  9. Preachess Vellah, MDLewes, DE1629069182

Common questions

What is Maria D'Souza, M.D.'s NPI number?

Maria D'Souza, M.D.'s National Provider Identifier (NPI) is 1144337486, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria D'Souza, M.D. located?

The NPPES record lists a practice address at 2313 Concord Pike, Wilmington, DE, 19803. Phone: (302) 663-7922. Providers update this record themselves, so call before visiting.

How can I verify Maria D'Souza, M.D.'s license?

NPPES lists Delaware license number C1-0011208, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Maria D'Souza, M.D. prescribe under Medicare Part D?

In 2024, Maria D'Souza, M.D. had 204 Medicare Part D claims for 17 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,420. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.