NPPES file of Aug 9, 2026

Elizabeth Medina Cox, M.D.

Family Medicine Physician · Wheaton, IL

Elizabeth Medina Cox, M.D. is a family medicine physician with a practice address in Wheaton, Illinois, and NPI 1528113818, issued on Jan 24, 2007. Check the license 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
1528113818
Name
Elizabeth Medina Cox
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
7 Blanchard Cir, Wheaton, IL 60187
Phone
(630) 682-0500
Enumerated
Jan 24, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220919000105); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1989
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 7 Blanchard Cir

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

  1. John Born, DOFamily Medicine Physician1225063357
  2. David Hockett, M.D.Family Medicine Physician1104956481
  3. Michele Kinzler, R.D.Registered Dietitian1568415198
  4. Scott Kolbaba, MDInternal Medicine Physician1396776613
  5. Tasneem Lakha-Vangara, D.D.S.General Practice Dentistry1215979950
  6. Maura McKay, DOFamily Medicine Physician1598873622

Verify Elizabeth Medina Cox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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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57% fewer Medicare Part D claims than the average family medicine physician in 2024

1,513 Medicare Part D claims for 949 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Elizabeth Cox1,513
  2. Specialty average3,544

Most prescribed

  1. Fluticasone Propionate227 claims
  2. Doxycycline Hyclate203 claims
  3. Methylprednisolone185 claims
  4. Cephalexin153 claims
  5. Albuterol Sulfate Hfa73 claims
  6. Prednisone69 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): 92.6 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 score85.2
  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).

Bills Medicare through one group practice

  1. Nchmd IncNaples, FL

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

Elizabeth Medina Cox among 6,215 family medicine physician records in Illinois

Elizabeth Medina Cox, M.D. 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 50% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1989 · median 2006 among the 3,714 with a school on file
  • Record last updated2007 · 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).

51 family medicine physician records list a practice address in Wheaton

They are 51 of the 2,468 NPPES records with a practice address in Wheaton, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jon Aagaard, MDWheaton, IL 601871750496923
  2. Steven Armbrust, MDWheaton, IL 601871851406037
  3. John Born, DOWheaton, IL 601871225063357
  4. Mary Caraher, DOWheaton, IL 601871265411334
  5. Thomas Cornwell, MDWheaton, IL 601871386679082
  6. Elizabeth Giese, M.D.Wheaton, IL 601871528027398
  7. Mark Isoniemi, M.D.Wheaton, IL 601871295779239
  8. Robert Kemp, MDWheaton, IL 601871245235100

Common questions

What is Elizabeth Medina Cox, M.D.'s NPI number?

Elizabeth Medina Cox, M.D.'s National Provider Identifier (NPI) is 1528113818, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Medina Cox, M.D. located?

The NPPES record lists a practice address at 7 Blanchard Cir, Wheaton, IL, 60187. Phone: (630) 682-0500. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Medina Cox, M.D.'s license?

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 Elizabeth Medina Cox, M.D. prescribe under Medicare Part D?

In 2024, Elizabeth Medina Cox, M.D. had 1,513 Medicare Part D claims for 949 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Elizabeth Medina Cox, M.D.'s MIPS final score?

The 2023 MIPS final score is 92.6 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.