NPPES file of Aug 9, 2026

Mary-Katherine Marshall

Pediatric Nurse Practitioner · Chicago, IL

Mary-Katherine Marshall is a pediatric nurse practitioner with a practice address in Chicago, Illinois, and NPI 1568127629, issued on Nov 3, 2021. Check the license (Illinois 209.023794, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568127629
Name
Mary-Katherine Marshall
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License numbers
209.023794 IL
318088 AZ
Self-reported in NPPES; status is on the state search
Practice location
5721 S Maryland Ave, Chicago, IL 60637
Phone
(888) 824-0200
Enumerated
Nov 3, 2021
Record last updated
May 16, 2025
Medicare enrollment
Enrolled (PECOS I20251105003162); may accept 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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8 nearest pediatric nurse practitioner records → All 687 in Illinois → Look up another NPI →

Also registered at 5721 S Maryland Ave

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

  1. Bridget AmoahPsychiatric/Mental Health Nurse Practitioner1023971082
  2. Kelley Anderson, APNNeonatal Nurse Practitioner1013674993
  3. Ariunaa Bayanjargal, MD,PHDPediatrics Physician1700716438
  4. Jaime Braverman, MDPediatrics Physician1346509346
  5. Lauren Conti, MDPediatrics Physician1851543359
  6. Martin Duncan, M.D.Pediatrics Physician1508271255

Verify Mary-Katherine Marshall 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 209.023794    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

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Mary-Katherine Marshall among 687 pediatric nurse practitioner records in Illinois

Mary-Katherine Marshall is one of 687 pediatric nurse practitioner records with a practice address in Illinois. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 74% of them.

  • NPI issued2021 · 74% of these records are older, 22% newer
  • In a Medicare fileNo · 32% of these records are
  • In the CMS Doctors and Clinicians fileYes · 6% of these records are
  • Graduated2021 · median 2019 among the 44 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Nurse Practitioner providers in Illinois

There are 687 pediatric nurse practitioner records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 687 in Illinois → Every provider in Chicago → Pediatric Nurse Practitioner nationwide →

The 8 pediatric nurse practitioner records with the nearest ZIP codes

  1. Nicole Carlson, RN, CPNPChicago, IL 606371013161173
  2. Christine ElsenChicago, IL 606371720279136
  3. Patricia Engebretson, RN, MSN, CPNPChicago, IL 606371982877650
  4. Christa FoxChicago, IL 606371295061075
  5. Susan GradleChicago, IL 606371447444682
  6. Melissa Gray, APNChicago, IL 606371679788079
  7. Judith HollemanChicago, IL 606371740474063
  8. Amanda JohnsonChicago, IL 606371184818825

Common questions

What is Mary-Katherine Marshall's NPI number?

Mary-Katherine Marshall's National Provider Identifier (NPI) is 1568127629, issued on Nov 3, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mary-Katherine Marshall located?

The NPPES record lists a practice address at 5721 S Maryland Ave, Chicago, IL, 60637. Phone: (888) 824-0200. Providers update this record themselves, so call before visiting.

How can I verify Mary-Katherine Marshall's license?

NPPES lists Illinois license number 209.023794, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.