NPPES file of Aug 9, 2026

Maria Guadalupe Aguilar, APN-CNP

Nurse Practitioner · Barrington, IL

Maria Guadalupe Aguilar, APN-CNP is a nurse practitioner with a practice address in Barrington, Illinois, and NPI 1538802095, issued on Apr 13, 2022. Check the license (Illinois 209024802, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538802095
Name
Maria Guadalupe Aguilar
Credential
APN-CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
209024802 IL
209.024802 IL
Self-reported in NPPES; status is on the state search
Practice location
530 N Hough St, Barrington, IL 60010
Phone
(847) 381-0174
Enumerated
Apr 13, 2022
Record last updated
Apr 2, 2026
Medicare enrollment
Enrolled (PECOS I20220623000867); 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 530 N Hough St

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

  1. Maria Cross, MOTPediatric Occupational Therapist1285173583
  2. Cortney Fowles, PTPhysical Therapist1386713006
  3. Bryan Schultz, DPTPhysical Therapist1114374980
  4. Kimberly Zack, DPTPhysical Therapist1871634584
  5. Matthew Zavala, MPTPhysical Therapist1164766515

Verify Maria Guadalupe Aguilar 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 209024802
    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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2% fewer Medicare Part D claims than the average nurse practitioner in 2024

1,089 Medicare Part D claims for 255 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 37 claims were for opioids.

  1. Maria Aguilar1,089
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium71 claims
  2. Levothyroxine Sodium36 claims
  3. Amlodipine Besylate32 claims
  4. Lisinopril31 claims
  5. Azithromycin29 claims
  6. Pantoprazole Sodium26 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.

Bills Medicare through one group practice

  1. Endeavor Health Medical GroupElmhurst, IL

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

Maria Guadalupe Aguilar among 4,892 nurse practitioner records in Illinois

Maria Guadalupe Aguilar, APN-CNP is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 73% of them.

  • NPI issued2022 · 73% of these records are older, 20% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2021 · median 2018 among the 3,389 with a school on file
  • Record last updated2026 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 nurse practitioner records list a practice address in Barrington

They are 18 of the 756 NPPES records with a practice address in Barrington, and 4,892 nurse practitioner records in Illinois.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Nicole Brady, NPBarrington, IL 600101598788705
  2. Teresa Godfrey, RN, BS, MS, FNPBarrington, IL 600101316371776
  3. Rebecca Guio, APNBarrington, IL 600101528343811
  4. Bridgett Hallstrom, NPBarrington, IL 600101578649950
  5. Lisa Jackson, N.P.Lake Barrington, IL 600101316980766
  6. Rumyana Krouleva, APNLake Barrington, IL 600101295274165
  7. Janet Lenz, APNBarrington, IL 600101619297934
  8. Brenna MolikBarrington, IL 600101487167698

Common questions

What is Maria Guadalupe Aguilar, APN-CNP's NPI number?

Maria Guadalupe Aguilar, APN-CNP's National Provider Identifier (NPI) is 1538802095, issued on Apr 13, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Maria Guadalupe Aguilar, APN-CNP located?

The NPPES record lists a practice address at 530 N Hough St, Barrington, IL, 60010. Phone: (847) 381-0174. Providers update this record themselves, so call before visiting.

How can I verify Maria Guadalupe Aguilar, APN-CNP's license?

NPPES lists Illinois license number 209024802, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Maria Guadalupe Aguilar, APN-CNP prescribe under Medicare Part D?

In 2024, Maria Guadalupe Aguilar, APN-CNP had 1,089 Medicare Part D claims for 255 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.