NPPES file of Aug 9, 2026

Karen Therese Gagnon, NP

Nurse Practitioner · Dearborn, MI

Karen Therese Gagnon, NP is a nurse practitioner with a practice address in Dearborn, Michigan, and NPI 1417223520, issued on Mar 23, 2012. Check the license (Michigan 4704229542, as entered in NPPES) with the Michigan 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
1417223520
Name
Karen Therese Gagnon
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
4704229542 MI
Self-reported in NPPES; status is on the state search
Practice location
18101 Oakwood Blvd, Dearborn, MI 48124
Phone
(313) 593-7000
Enumerated
Mar 23, 2012
Record last updated
May 21, 2025
Fax
(734) 446-9750
Medicare enrollment
Enrolled (PECOS I20120629000270); 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 18101 Oakwood Blvd

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

  1. Omar Abbas, MDDiagnostic Radiology Physician1255225751
  2. Ahmed AbdelrahimInternal Medicine Physician1376160960
  3. Sarah Abdelsamad, MDGeriatric Medicine (Internal Medicine) Physician1518451236
  4. Ahmed AbdulbagiInternal Medicine Physician1154005817
  5. Mohammad Abed Alhaleem, M.D.Student in an Organized Health Care Education/Training Program1275372963
  6. Sindhoora Adyanthaya, MDInternal Medicine Physician1053974758

Verify Karen Therese Gagnon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704229542
    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 Michigan 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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8.0 times the Medicare Part D claims of the average nurse practitioner in 2024

8,831 Medicare Part D claims for 235 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. Karen Gagnon8,831
  2. Specialty average1,109

Most prescribed

  1. Quetiapine Fumarate701 claims
  2. Risperidone629 claims
  3. Lorazepam503 claims
  4. Olanzapine453 claims
  5. Trazodone Hcl450 claims
  6. Divalproex Sodium366 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: $3,266.45

93 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, 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. Karen Gagnon$3,266.45
  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. Pure Psychiatry OF Michigan PLLCWayne, MI

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

Karen Therese Gagnon among 3,574 nurse practitioner records in Michigan

Karen Therese Gagnon, NP is one of 3,574 nurse practitioner records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 31% of them.

  • NPI issued2012 · 31% of these records are older, 65% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2011 · median 2017 among the 1,983 with a school on file
  • Record last updated2025 · 52% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

67 nurse practitioner records list a practice address in Dearborn

They are 67 of the 5,481 NPPES records with a practice address in Dearborn, and 3,574 nurse practitioner records in Michigan.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Magdalena Balan, CNPDearborn, MI 481241447379334
  2. Catherine Barrett, NPDearborn, MI 481241386622132
  3. Karman Beydoun, NPDearborn, MI 481241821258088
  4. Andrea Clegg, NPDearborn, MI 481241285612861
  5. Catherine Draus, N.P.Dearborn, MI 481241962438499
  6. Ann Edwards, N.P.Dearborn, MI 481241730186537
  7. Lisa Garland, NPDearborn, MI 481241740268291
  8. Joy Jones, R,N., N.N.PDearborn, MI 481241710288030

Common questions

What is Karen Therese Gagnon, NP's NPI number?

Karen Therese Gagnon, NP's National Provider Identifier (NPI) is 1417223520, issued on Mar 23, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Karen Therese Gagnon, NP located?

The NPPES record lists a practice address at 18101 Oakwood Blvd, Dearborn, MI, 48124. Phone: (313) 593-7000. Providers update this record themselves, so call before visiting.

How can I verify Karen Therese Gagnon, NP's license?

NPPES lists Michigan license number 4704229542, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Therese Gagnon, NP prescribe under Medicare Part D?

In 2024, Karen Therese Gagnon, NP had 8,831 Medicare Part D claims for 235 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.