NPPES file of Aug 9, 2026

Melissa E.s. Xenidis, D.O.

Physical Medicine & Rehabilitation Physician · Westmont, IL

Melissa E.s. Xenidis, D.O. is a physical medicine & rehabilitation physician with a practice address in Westmont, Illinois, and NPI 1558687038, issued on Apr 9, 2010. Check the license (Illinois 036.135191, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1558687038
Name
Melissa E.s. Xenidis
Credential
D.O.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
036.135191 IL
Self-reported in NPPES; status is on the state search
Practice location
5801 S Cass Ave, Westmont, IL 60559
Phone
(630) 971-2645
Enumerated
Apr 9, 2010
Record last updated
Nov 14, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20141113000807); 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 5801 S Cass Ave

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

  1. Aniltta Alex, APRNNurse Practitioner1720287485
  2. Kristin Elliott, NPNurse Practitioner1497161814
  3. Erin Podgorny, MS APN AGNP-CAdult Health Nurse Practitioner1548618085

Verify Melissa E.s. Xenidis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.135191
    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 Illinois license search

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70% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024

219 Medicare Part D claims for 54 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 61 claims were for opioids.

  1. Melissa Xenidis219
  2. Specialty average727

Most prescribed

  1. Gabapentin47 claims
  2. Hydrocodone-Acetaminophen39 claims
  3. Baclofen31 claims
  4. Lamotrigine23 claims
  5. Tramadol Hcl19 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.

Physical Medicine & Rehabilitation Physician providers in Illinois

There are 707 physical medicine & rehabilitation physician records in Illinois.

Other physical medicine & rehabilitation physician records in Illinois

  1. Brian Abarbanel, MDChicago, IL1124600291
  2. Mahmoud Abdel, MDOak Lawn, IL1063090454
  3. Sol Abreu Sosa, MDChicago, IL1912163502
  4. Roy Adair, MDOak Lawn, IL1689660185
  5. William Adair, MDOak Lawn, IL1932195716
  6. Katie Adams, OTD, OTR/LNormal, IL1134338940
  7. Shashi Agrawal, MDNorthbrook, IL1386726354
  8. Elizabeth Aguila, M.D.Woodstock, IL1932634763
  9. Caitlin AguirreChicago, IL1790586857
  10. Omar Ahmad, DOWheaton, IL1629836929

Common questions

What is Melissa E.s. Xenidis, D.O.'s NPI number?

Melissa E.s. Xenidis, D.O.'s National Provider Identifier (NPI) is 1558687038, issued on Apr 9, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Melissa E.s. Xenidis, D.O. located?

The NPPES record lists a practice address at 5801 S Cass Ave, Westmont, IL, 60559. Phone: (630) 971-2645. Providers update this record themselves, so call before visiting.

How can I verify Melissa E.s. Xenidis, D.O.'s license?

NPPES lists Illinois license number 036.135191, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Melissa E.s. Xenidis, D.O. prescribe under Medicare Part D?

In 2024, Melissa E.s. Xenidis, D.O. had 219 Medicare Part D claims for 54 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.