NPPES file of Aug 9, 2026

Mackenzie T. Worthington, DO

Family Medicine Physician · Rockford, IL

Mackenzie T. Worthington, DO is a family medicine physician with a practice address in Rockford, Illinois, and NPI 1467893461, issued on Jul 8, 2013. Check the license (Illinois 036144076, 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
1467893461
Name
Mackenzie T. Worthington
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
036144076 IL
R9738 IA
Self-reported in NPPES; status is on the state search
Practice location
3505 N Bell School RD, Rockford, IL 61114
Phone
(779) 696-0300
Enumerated
Jul 8, 2013
Record last updated
Mar 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140815000047); 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 3505 N Bell School RD

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

  1. Lauren Belford, DNP, CPNP-PCPediatric Nurse Practitioner1477287431
  2. Michelle Bennett, APRNFamily Nurse Practitioner1013503630
  3. Jordan Berg, MDObstetrics & Gynecology Physician1215462940
  4. Kasaundra Beverly-Marshall, APRNFamily Nurse Practitioner1851288146
  5. Kathryn Bramble, PA-CMedical Physician Assistant1841989605
  6. Meredith Brawley, D.O.Obstetrics & Gynecology Physician1578877924

Verify Mackenzie T. Worthington 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 036144076
    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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95% fewer Medicare Part D claims than the average family medicine physician in 2024

181 Medicare Part D claims for 125 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Mackenzie Worthington181
  2. Specialty average3,544

Most prescribed

  1. Cephalexin22 claims
  2. Hydrocodone-Acetaminophen16 claims
  3. Prednisone16 claims
  4. Amoxicillin-Clavulanate Potass11 claims
  5. Azithromycin11 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.

One hospital affiliation

  1. Humboldt County Memorial HospitalHumboldt, IA · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Mackenzie T. Worthington among 6,215 family medicine physician records in Illinois

Mackenzie T. Worthington, DO 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 2013, is newer than 64% of them.

  • NPI issued2013 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2013 · median 2006 among the 3,714 with a school on file
  • Record last updated2021 · 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).

145 family medicine physician records list a practice address in Rockford

They are 145 of the 3,893 NPPES records with a practice address in Rockford, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Mohammed Amir Khan, M.D.Rockford, IL 611141881034403
  2. Robin Borchardt, M.D.Rockford, IL 611141992734297
  3. Richard Fellars, MDRockford, IL 611141780794974
  4. Tiffanie Ferry, M.D.Rockford, IL 611141538105093
  5. Kenton Lee, MDRockford, IL 611141366426397
  6. Francis Nicolosi, MDRockford, IL 611141477663664
  7. Magdalena Nowak, MDRockford, IL 611141740439215
  8. Hugo Salgado, M.D.Rockford, IL 611141689692659

Common questions

What is Mackenzie T. Worthington, DO's NPI number?

Mackenzie T. Worthington, DO's National Provider Identifier (NPI) is 1467893461, issued on Jul 8, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Mackenzie T. Worthington, DO located?

The NPPES record lists a practice address at 3505 N Bell School RD, Rockford, IL, 61114. Phone: (779) 696-0300. Providers update this record themselves, so call before visiting.

How can I verify Mackenzie T. Worthington, DO's license?

NPPES lists Illinois license number 036144076, 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 Mackenzie T. Worthington, DO prescribe under Medicare Part D?

In 2024, Mackenzie T. Worthington, DO had 181 Medicare Part D claims for 125 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.