NPPES file of Aug 9, 2026

Corrie McMahon, FNP

Family Nurse Practitioner · Wauconda, IL

Corrie McMahon, FNP is a family nurse practitioner with a practice address in Wauconda, Illinois, and NPI 1104423094, issued on Oct 5, 2020. Check the license (Illinois 209022198, 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
1104423094
Name
Corrie McMahon
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
209022198 IL
041458922 IL
Self-reported in NPPES; status is on the state search
Practice location
431 W Liberty St, Wauconda, IL 60084
Phone
(847) 526-2151
Enumerated
Oct 5, 2020
Record last updated
Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(847) 526-2017
Medicare enrollment
Enrolled (PECOS I20201111002419); 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 431 W Liberty St

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

  1. Hazel Acacio, APNPNurse Practitioner1205471679
  2. David Alengo, MDFamily Medicine Physician1356335996
  3. Pamela Basas Malda, NPNurse Practitioner1891238200
  4. Jennifer Bellucci Jackson, MDFamily Medicine Physician1689669293
  5. Lady BowennesheimFamily Nurse Practitioner1790175826
  6. Megan Copeland, FNPFamily Nurse Practitioner1497587851

Verify Corrie McMahon 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 209022198
    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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92% more Medicare Part D claims than the average family nurse practitioner in 2024

2,500 Medicare Part D claims for 370 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 116 claims were for opioids.

  1. Corrie McMahon2,500
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium116 claims
  2. Lisinopril110 claims
  3. Amlodipine Besylate99 claims
  4. Alprazolam85 claims
  5. Metformin Hcl84 claims
  6. Levothyroxine Sodium73 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: $1,528.55

74 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Corrie McMahon$1,528.55
  2. Specialty average$650.95

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

Bills Medicare through 2 group practices

  1. Family Medicine Specialists OF Round Lake Incorporated S CRound Lake Beach, IL
  2. Family Medicine Specialists S.C.Wauconda, IL

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

Corrie McMahon among 7,639 family nurse practitioner records in Illinois

Corrie McMahon, FNP 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 2020, is newer than 59% of them.

  • NPI issued2020 · 59% of these records are older, 35% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2020 · median 2018 among the 4,778 with a school on file
  • Record last updated2020 · 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).

28 family nurse practitioner records list a practice address in Wauconda

They are 28 of the 158 NPPES records with a practice address in Wauconda, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Lady BowennesheimWauconda, IL 600841790175826
  2. Kerry Ehlert-Donovan, APNWauconda, IL 600841720373731
  3. Michele Frese, APNWauconda, IL 600841700271459
  4. Eva Grimaldo, FNP-BCWauconda, IL 600841922400084
  5. Erika Johnson, F.N.P.Wauconda, IL 600841508216540
  6. Amandeep Kaur, FNP-BCWauconda, IL 600841801216973
  7. Sylvia Moreno, FNPWauconda, IL 600841639302615
  8. Lisabeth MorrisroeWauconda, IL 600841508336918

Common questions

What is Corrie McMahon, FNP's NPI number?

Corrie McMahon, FNP's National Provider Identifier (NPI) is 1104423094, issued on Oct 5, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Corrie McMahon, FNP located?

The NPPES record lists a practice address at 431 W Liberty St, Wauconda, IL, 60084. Phone: (847) 526-2151. Providers update this record themselves, so call before visiting.

How can I verify Corrie McMahon, FNP's license?

NPPES lists Illinois license number 209022198, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Corrie McMahon, FNP prescribe under Medicare Part D?

In 2024, Corrie McMahon, FNP had 2,500 Medicare Part D claims for 370 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.