NPPES file of Aug 9, 2026

Margaret K. Colleton

Physician Assistant · Chicago, IL

Margaret K. Colleton is a physician assistant with a practice address in Chicago, Illinois, and NPI 1437450012, issued on Nov 12, 2010. Check the license (Illinois 085006108, as entered in NPPES) with the Illinois board that licenses this profession; 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
1437450012
Name
Margaret K. Colleton
Primary taxonomy
Physician Assistant 363A00000X
License number
085006108 IL
Self-reported in NPPES; status is on the state search
Practice location
5841 S Maryland Ave, Chicago, IL 60637
Phone
(888) 824-0200
Enumerated
Nov 12, 2010
Record last updated
Oct 24, 2022
Medicare enrollment
Enrolled (PECOS I20170915003230); 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 5841 S Maryland Ave

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

  1. Ma. Theresa Abaring, CRNACertified Registered Nurse Anesthetist1962647586
  2. Rouzbeh AbbasgholizadehRetina Specialist (Ophthalmology) Physician1881510030
  3. Jehad Abdalla, MDSleep Medicine (Internal Medicine) Physician1053898684
  4. Sara Abdelaziz, MDEndocrinology, Diabetes & Metabolism Physician1598258089
  5. Noor Abdelrahman, PA-CPhysician Assistant1851012413
  6. Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240

Verify Margaret K. Colleton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 085006108
    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
Find 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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66% fewer Medicare Part D claims than the average physician assistant in 2024

283 Medicare Part D claims for 81 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 28 claims were for opioids.

  1. Margaret Colleton283
  2. Specialty average830

Most prescribed

  1. Prochlorperazine Maleate26 claims
  2. Eliquis24 claims
  3. Levothyroxine Sodium23 claims
  4. Hydrocodone-Acetaminophen22 claims
  5. Gabapentin14 claims
  6. Xarelto12 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): 97.7 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 score75.4
  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).

One hospital affiliation

  1. The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars

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). Star ratings are CMS hospital ratings, not ratings of this provider.

Margaret K. Colleton among 4,926 physician assistant records in Illinois

Margaret K. Colleton is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 22% of them.

  • NPI issued2010 · 22% of these records are older, 76% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2010 · median 2019 among the 3,407 with a school on file
  • Record last updated2022 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,445 physician assistant records list a practice address in Chicago

They are 1,445 of the 63,379 NPPES records with a practice address in Chicago, and 4,926 physician assistant records in Illinois.

The 8 physician assistant records with the nearest ZIP codes

  1. Carrie BarthChicago, IL 606371336104983
  2. Amy Butler, PA-CChicago, IL 606371922292374
  3. Barbara Cislo, MMS, PA-CChicago, IL 606371942361217
  4. Melvin Fremit, P.A.Chicago, IL 606371063609964
  5. Rebecca FriedlanderChicago, IL 606371477672061
  6. Diane Lyman, PA-CChicago, IL 606371184834467
  7. Casey Moran, PA-CChicago, IL 606371740277441
  8. Patrice Muhammad, PA-CChicago, IL 606371427062298

Common questions

What is Margaret K. Colleton's NPI number?

Margaret K. Colleton's National Provider Identifier (NPI) is 1437450012, issued on Nov 12, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Margaret K. Colleton located?

The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (888) 824-0200. Providers update this record themselves, so call before visiting.

How can I verify Margaret K. Colleton's license?

NPPES lists Illinois license number 085006108, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret K. Colleton prescribe under Medicare Part D?

In 2024, Margaret K. Colleton had 283 Medicare Part D claims for 81 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Margaret K. Colleton's MIPS final score?

The 2023 MIPS final score is 97.7 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.