NPPES file of Aug 9, 2026

Rea Harxhi

Endocrinology, Diabetes & Metabolism Physician · Chicago, IL

Rea Harxhi is an endocrinology, diabetes & metabolism physician with a practice address in Chicago, Illinois, and NPI 1457979833, issued on Jul 11, 2020. Check the license (Illinois 036.165125, 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
1457979833
Name
Rea Harxhi
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
036.165125 IL
MT220183 PA
Self-reported in NPPES; status is on the state search
Practice location
1500 S Fairfield Ave, Chicago, IL 60608
Phone
(847) 800-2390
Enumerated
Jul 11, 2020
Record last updated
Jun 9, 2025
Medicare enrollment
Enrolled (PECOS I20250311002017); 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 1500 S Fairfield Ave

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

  1. Mohemmed AbbasFamily Medicine Physician1609612522
  2. Ka'Tee Abercrombie, FNP-CFamily Nurse Practitioner1023475894
  3. Halder Abozait, MDInternal Medicine Physician1114844040
  4. Olga Abreu LopezFamily Medicine Physician1891525267
  5. Eliz Achhami, MDInternal Medicine Physician1194613919
  6. Candace Acuff, MD, MPHSurgical Critical Care Physician1235845025

Verify Rea Harxhi 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 036.165125
    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

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

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97% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

86 Medicare Part D claims for 22 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Rea Harxhi86
  2. Specialty average2,630

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.

Bills Medicare through one group practice

  1. Mount Sinai Community FoundationChicago, IL

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

Rea Harxhi among 436 endocrinology, diabetes & metabolism physician records in Illinois

Rea Harxhi is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.

  • NPI issued2020 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2019 · median 2006 among the 295 with a school on file
  • Record last updated2025 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Illinois

There are 436 endocrinology, diabetes & metabolism physician records in Illinois.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Paula Butler, M.D.Chicago, IL 606081427041482
  2. Maguy Chiha, M.D.Chicago, IL 606081073705042
  3. Andriy HavrylyanChicago, IL 606081730560517
  4. Yannis Guerra, M.D.Chicago, IL 606071922193671
  5. Elizabeth Lowden, M.D.Chicago, IL 606061568783991
  6. Emily Smith, M.D.Chicago, IL 606061386906089
  7. Grazia Aleppo, MDChicago, IL 606111689603268
  8. Grant Barish, M.D.Chicago, IL 606111265526073

Common questions

What is Rea Harxhi's NPI number?

Rea Harxhi's National Provider Identifier (NPI) is 1457979833, issued on Jul 11, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Rea Harxhi located?

The NPPES record lists a practice address at 1500 S Fairfield Ave, Chicago, IL, 60608. Phone: (847) 800-2390. Providers update this record themselves, so call before visiting.

How can I verify Rea Harxhi's license?

NPPES lists Illinois license number 036.165125, 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 Rea Harxhi prescribe under Medicare Part D?

In 2024, Rea Harxhi had 86 Medicare Part D claims for 22 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.