NPPES file of Aug 9, 2026

Margaret Pfister, FNP-C

Family Nurse Practitioner · Arlington Heights, IL

Margaret Pfister, FNP-C is a family nurse practitioner with a practice address in Arlington Heights, Illinois, and NPI 1538042569, issued on Jul 28, 2025. Check the license (Illinois 209033047, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538042569
Name
Margaret Pfister
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209033047 IL
Self-reported in NPPES; status is on the state search
Practice location
2101 S Arlington Heights RD, Arlington Heights, IL 60005
Phone
(847) 331-7873
Enumerated
Jul 28, 2025
Record last updated
Aug 26, 2025
Medicare enrollment
Enrolled (PECOS I20251111000361); 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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8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Also registered at 2101 S Arlington Heights RD

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

  1. Mario Chan, M.D.Endocrinology, Diabetes & Metabolism Physician1104975176
  2. Kevin Curtin, D.D.S.General Practice Dentistry1083055271
  3. Vicky DelgadoClinical Social Worker1245985969
  4. Cesar Feijoo, PA-CPhysician Assistant1376233940
  5. Daniel Jonas, M.D.Gastroenterology Physician1720519598
  6. Lizbeth MancillaSocial Worker1730937129

Verify Margaret Pfister 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 209033047    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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Bills Medicare through one group practice

  1. Suburban Endocrinology And DiabetesArlington Heights, IL

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

Margaret Pfister among 7,639 family nurse practitioner records in Illinois

Margaret Pfister, FNP-C is one of 7,639 family nurse practitioner 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 2025, is newer than 91% of them.

  • NPI issued2025 · 91% of these records are older, 3% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2025 · median 2018 among the 4,778 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

47 family nurse practitioner records list a practice address in Arlington Heights

They are 47 of the 2,697 NPPES records with a practice address in Arlington Heights, and 7,639 family nurse practitioner records in Illinois.

All 7,639 in Illinois → Every provider in Arlington Heights → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Elizabeth Casper, FNPArlington Heights, IL 600051144727603
  2. Joyce Dawood, APNArlington Heights, IL 600051881023299
  3. Jennifer Eisenstein, NP-CArlington Heights, IL 600051427364298
  4. Karla Patricia Estrada, FNP-BC, NP-CArlington Heights, IL 600051063883239
  5. Kathleen FischerArlington Heights, IL 600051265562607
  6. Shayna Friedman, APNArlington Hts, IL 600051154728178
  7. Reena GeorgeArlington Hts, IL 600051649693656
  8. Haley GlickmanArlington Heights, IL 600051043600190

Common questions

What is Margaret Pfister, FNP-C's NPI number?

Margaret Pfister, FNP-C's National Provider Identifier (NPI) is 1538042569, issued on Jul 28, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Pfister, FNP-C located?

The NPPES record lists a practice address at 2101 S Arlington Heights RD, Arlington Heights, IL, 60005. Phone: (847) 331-7873. Providers update this record themselves, so call before visiting.

How can I verify Margaret Pfister, FNP-C's license?

NPPES lists Illinois license number 209033047, 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. Medicare files from data.cms.gov. 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.