NPPES file of Aug 9, 2026

Hiam H. Eldewek, D.O.

Family Medicine Physician · Naperville, IL

Hiam H. Eldewek, D.O. is a family medicine physician with a practice address in Naperville, Illinois, and NPI 1639128309, issued on May 9, 2006. Check the license (Illinois 036112155, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639128309
Name
Hiam H. Eldewek
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036112155 IL
Self-reported in NPPES; status is on the state search
Practice location
1220 Hobson Road, Naperville, IL 60540
Phone
(630) 416-1950
Enumerated
May 9, 2006
Record last updated
Dec 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(630) 646-5610
Medicaid ID
036112155 1 IL
Medicare enrollment
Enrolled (PECOS I20050727000447); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1220 Hobson Road

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

  1. Kimberly Bennett, MDFamily Medicine Physician1386708493
  2. Janet Faulhaber, L.C.P.C.Mental Health Counselor1730272311
  3. Alexander Figueroa, D.M.D.Dentist1174765218
  4. Glenn Grobe, MDFamily Medicine Physician1639246671
  5. Edyta Straczynski, M.D.Family Medicine Physician1558396085
  6. Donatus Weithman, MDFamily Medicine Physician1346317385

Verify Hiam H. Eldewek 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 036112155
    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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40% more Medicare Part D claims than the average family medicine physician in 2024

4,947 Medicare Part D claims for 363 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 89 claims were for opioids.

  1. Hiam Eldewek4,947
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium492 claims
  2. Atorvastatin Calcium419 claims
  3. Lisinopril206 claims
  4. Metformin Hcl166 claims
  5. Amlodipine Besylate156 claims
  6. Omeprazole152 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.

The MIPS final score for 2023 (Medicare payment program): 91.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $133.54

3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hiam Eldewek$133.54
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. Endeavor Health Medical GroupNaperville, IL

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

Hiam H. Eldewek among 6,215 family medicine physician records in Illinois

Hiam H. Eldewek, D.O. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2002 · median 2006 among the 3,714 with a school on file
  • Record last updated2020 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

86 family medicine physician records list a practice address in Naperville

They are 86 of the 4,634 NPPES records with a practice address in Naperville, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Matthew Carducci, M.D.Naperville, IL 605401093762338
  2. Karla Dorsey-Johnson, MDNaperville, IL 605401245205731
  3. Stephanie Dressler, PA CNaperville, IL 605401629068234
  4. Michael Fitzgerald, MDNaperville, IL 605401346215407
  5. Fowzia Ghouse, MDNaperville, IL 605401215923826
  6. Ronald Glas, MDNaperville, IL 605401720075484
  7. Kaleem Khan, M.D.Naperville, IL 605401619917713
  8. Scott Love, MDNaperville, IL 605401265409197

Common questions

What is Hiam H. Eldewek, D.O.'s NPI number?

Hiam H. Eldewek, D.O.'s National Provider Identifier (NPI) is 1639128309, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Hiam H. Eldewek, D.O. located?

The NPPES record lists a practice address at 1220 Hobson Road, Naperville, IL, 60540. Phone: (630) 416-1950. Providers update this record themselves, so call before visiting.

How can I verify Hiam H. Eldewek, D.O.'s license?

NPPES lists Illinois license number 036112155, 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 Hiam H. Eldewek, D.O. prescribe under Medicare Part D?

In 2024, Hiam H. Eldewek, D.O. had 4,947 Medicare Part D claims for 363 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Hiam H. Eldewek, D.O.'s MIPS final score?

The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.