NPPES file of Aug 9, 2026

Rebecca Diane Guio, APN

Nurse Practitioner · Barrington, IL

Rebecca Diane Guio, APN is a nurse practitioner with a practice address in Barrington, Illinois, and NPI 1528343811, issued on Oct 18, 2011. Check the license (Illinois 209004318, 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
1528343811
Name
Rebecca Diane Guio
Credential
APN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209004318 IL
Self-reported in NPPES; status is on the state search
Practice location
450 W Highway 22, Barrington, IL 60010
Phone
(847) 842-4460
Enumerated
Oct 18, 2011
Record last updated
Mar 5, 2025
Medicare enrollment
Enrolled (PECOS I20140102001199); 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 450 W Highway 22

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

  1. Mohammad Anwar, MDNeonatal-Perinatal Medicine Physician1164635165
  2. Scott Asselmeier, M.D.Vascular & Interventional Radiology Physician1558563213
  3. Danielle BanksRegistered Dietitian1659245405
  4. Todd Bannen, M.D.Emergency Medicine Physician1952414682
  5. Tina Marie Bauman, RN, MSN, APN, AGN-BCClinical Nurse Specialist1407349343
  6. Eric Bessonny, M.D.Anesthesiology Physician1336147156

Verify Rebecca Diane Guio 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 209004318
    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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73% fewer Medicare Part D claims than the average nurse practitioner in 2024

295 Medicare Part D claims for 110 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Rebecca Guio295
  2. Specialty average1,109

Most prescribed

  1. Alendronate Sodium272 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.

Industry payments in 2024: $108.11

1 payment: food and beverage; the largest payer was Radius Health, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rebecca Guio$108.11
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Advocate Health And Hospitals CorporationBuffalo Grove, IL

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

Rebecca Diane Guio among 4,892 nurse practitioner records in Illinois

Rebecca Diane Guio, APN 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 2011, is newer than 20% of them.

  • NPI issued2011 · 20% of these records are older, 78% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2001 · median 2018 among the 3,389 with a school on file
  • Record last updated2025 · 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. Bridgett Hallstrom, NPBarrington, IL 600101578649950
  4. Lisa Jackson, N.P.Lake Barrington, IL 600101316980766
  5. Rumyana Krouleva, APNLake Barrington, IL 600101295274165
  6. Janet Lenz, APNBarrington, IL 600101619297934
  7. Brenna MolikBarrington, IL 600101487167698
  8. Laura Nordgren, AGPCNP-BCBarrington, IL 600101720562002

Common questions

What is Rebecca Diane Guio, APN's NPI number?

Rebecca Diane Guio, APN's National Provider Identifier (NPI) is 1528343811, issued on Oct 18, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Rebecca Diane Guio, APN located?

The NPPES record lists a practice address at 450 W Highway 22, Barrington, IL, 60010. Phone: (847) 842-4460. Providers update this record themselves, so call before visiting.

How can I verify Rebecca Diane Guio, APN's license?

NPPES lists Illinois license number 209004318, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Rebecca Diane Guio, APN prescribe under Medicare Part D?

In 2024, Rebecca Diane Guio, APN had 295 Medicare Part D claims for 110 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.