NPPES file of Aug 9, 2026

Merlyn N. D'Souza, M.D.

Legal Medicine · Chicago, IL

Merlyn N. D'Souza, M.D. is a legal medicine with a practice address in Chicago, Illinois, and NPI 1578501086, issued on Jun 4, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578501086
Name
Merlyn N. D'Souza
Credential
M.D.
Primary taxonomy
Legal Medicine 173000000X
Practice location
5600 W Addison St, Chicago, IL 60634
Phone
(773) 202-9622
Enumerated
Jun 4, 2006
Record last updated
Oct 11, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(773) 283-0901
Medicare enrollment
Enrolled (PECOS I20060410000571); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5600 W Addison St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Alderman, M.D.Pulmonary Disease Physician1912904822
  2. Mark Buranosky, M.D.Ophthalmology Physician1558399949
  3. Ralph Cabin, M.D.Neurology Physician1558309922
  4. Godwin D'Souza, M.D.Internal Medicine Physician1619915295
  5. Steven Eidt, M.D.Ophthalmology Physician1275561557
  6. Karin Fiedler, M.D.Pediatrics Physician1598704074

Verify Merlyn N. D'Souza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
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2.6 times the Medicare Part D claims of the average legal medicine in 2024

6,594 Medicare Part D claims for 221 beneficiaries, against an average of 2,531 among the 246 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 27 claims were for opioids.

  1. Merlyn D'Souza6,594
  2. Specialty average2,531

Most prescribed

  1. Furosemide423 claims
  2. Potassium Chloride336 claims
  3. Atorvastatin Calcium298 claims
  4. Levothyroxine Sodium285 claims
  5. Metoprolol Succinate202 claims
  6. Lisinopril170 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.

Industry payments in 2024: $22.70

1 payment: food and beverage; the largest payer was Pfizer Inc. The 144 providers of this specialty with any payment received $4,618.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Merlyn D'Souza$22.70
  2. Specialty average$4,618.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Metropolitan Gericare Associates PLLCChicago, IL
  2. Metropolitan Healthcare Partners PLLCChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Legal Medicine providers in Illinois

There are 30 legal medicine records in Illinois.

All 30 in Illinois → Every provider in Chicago →

Other legal medicine records in Illinois

  1. Koteswara Batchu, M.D.Downers Grove, IL1033262696
  2. Bruce Bloom, DDS,JDDeerfield, IL1144170994
  3. Ann Bova, DNSpringfield, IL1508983651
  4. Alice Chen, M.D.Skokie, IL1497752893
  5. Roger De Cook, M.D.Lombard, IL1841393766
  6. Ghulam Dhar, MDLa Grange Park, IL1669518163
  7. Aleksy Dobradin, MDChicago, IL1306915319
  8. Miroslawa Dulczewska Miller, MD PHDChicago, IL1013963537
  9. Bohdan Fedirko, MDChicago, IL1033163563
  10. Mohamed Kholoki, MDLa Grange Park, IL1275679755

Common questions

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

Merlyn N. D'Souza, M.D.'s National Provider Identifier (NPI) is 1578501086, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Merlyn N. D'Souza, M.D. located?

The NPPES record lists a practice address at 5600 W Addison St, Chicago, IL, 60634. Phone: (773) 202-9622. Providers update this record themselves, so call before visiting.

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

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

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

In 2024, Merlyn N. D'Souza, M.D. had 6,594 Medicare Part D claims for 221 beneficiaries; the average among legal medicine prescribers was 2,531. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.