NPPES file of Aug 9, 2026

Penney Jo Gainer, APRN, FNP-BC

Family Nurse Practitioner · Barrington, IL

Penney Jo Gainer, APRN, FNP-BC is a family nurse practitioner with a practice address in Barrington, Illinois, and NPI 1578433256, issued on Nov 7, 2025. Check the license (Illinois 209.033686, 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
1578433256
Name
Penney Jo Gainer
Credential
APRN, FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209.033686 IL
Self-reported in NPPES; status is on the state search
Practice location
405 Lake Zurich RD, Barrington, IL 60010
Phone
(844) 656-8763
Enumerated
Nov 7, 2025
Record last updated
Jul 6, 2026
Medicare enrollment
Enrolled (PECOS I20260130000504); 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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8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Also registered at 405 Lake Zurich RD

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

  1. Susan Bartsch, APN-BCAdult Health Nurse Practitioner1427357268
  2. Paula Beltran, APNPFamily Nurse Practitioner1972050623
  3. Kevin CayananFamily Nurse Practitioner1316409386
  4. Robin Daniell, LCSWClinical Social Worker1134441629
  5. Hanneli Fanega, APN, CNSAdult Health Clinical Nurse Specialist1295193860
  6. Stephani FigueroaFamily Nurse Practitioner1376007393

Verify Penney Jo Gainer 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 209.033686    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. Wound Wellness PLLCLake Villa, IL

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

Penney Jo Gainer among 7,639 family nurse practitioner records in Illinois

Penney Jo Gainer, APRN, FNP-BC 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 updated2026 · 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).

34 family nurse practitioner records list a practice address in Barrington

They are 34 of the 756 NPPES records with a practice address in Barrington, and 7,639 family nurse practitioner records in Illinois.

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

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Aleksandra BielawiecBarrington, IL 600101306076906
  2. Samantha CardenasBarrington, IL 600101285095554
  3. Mary Cotey, N.P.-C.Lake Barrington, IL 600101851708622
  4. Irina Frenkel, MSN, FNP-BCDeer Park, IL 600101194114223
  5. Juliet George, APNBarrington, IL 600101770925141
  6. Elizabeth Gross, APNBarrington, IL 600101821097957
  7. Simona Hofman, MSN, FNPBarrington, IL 600101124451810
  8. Katherine Horton, NP-CBarrington, IL 600101013305705

Common questions

What is Penney Jo Gainer, APRN, FNP-BC's NPI number?

Penney Jo Gainer, APRN, FNP-BC's National Provider Identifier (NPI) is 1578433256, issued on Nov 7, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Penney Jo Gainer, APRN, FNP-BC located?

The NPPES record lists a practice address at 405 Lake Zurich RD, Barrington, IL, 60010. Phone: (844) 656-8763. Providers update this record themselves, so call before visiting.

How can I verify Penney Jo Gainer, APRN, FNP-BC's license?

NPPES lists Illinois license number 209.033686, 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.