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.
- 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
8 nearest legal medicine records → All 30 in Illinois → Look up another NPI →
Also registered at 5600 W Addison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Godwin D'Souza, M.D.Internal Medicine Physician1619915295
- Steven Eidt, M.D.Ophthalmology Physician1275561557
- Karin Fiedler, M.D.Pediatrics Physician1598704074
Verify Merlyn N. D'Souza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Furosemide423 claims
- Potassium Chloride336 claims
- Atorvastatin Calcium298 claims
- Levothyroxine Sodium285 claims
- Metoprolol Succinate202 claims
- 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.
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
- Metropolitan Gericare Associates PLLCChicago, IL
- Metropolitan Healthcare Partners PLLCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Merlyn N. D'Souza among 30 legal medicine records in Illinois
Merlyn N. D'Souza, M.D. is one of 30 legal medicine records with a practice address in Illinois. 33% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 33% newer
- In a Medicare fileYes · 33% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Record last updated2007 · 83% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 173000000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Legal Medicine providers in Illinois
There are 30 legal medicine records in Illinois.
All 30 in Illinois → Every provider in Chicago → Legal Medicine nationwide →
The 8 legal medicine records with the nearest ZIP codes
- Aleksy Dobradin, MDChicago, IL 606341306915319
- Bohdan Fedirko, MDChicago, IL 606321033163563
- Miroslaw Piotrowski, M.D.Chicago, IL 606381124060645
- Luz ValdesChicago, IL 606391245183342
- Miroslawa Dulczewska Miller, MD PHDChicago, IL 606461013963537
- Yukhol Lertsburapa, MDChicago, IL 606221043200975
- Paul Mesnick, MDChicago, IL 606101104285741
- Shobha Shah, M.D.Chicago, IL 606081396822086
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.
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.