NPPES file of Aug 9, 2026

Kaitlyn Marie Mahaffy

Family Nurse Practitioner · Port Huron, MI

Kaitlyn Marie Mahaffy is a family nurse practitioner with a practice address in Port Huron, Michigan, and NPI 1023879657, issued on Jan 22, 2024. Check the license (Michigan 4704360402, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023879657
Name
Kaitlyn Marie Mahaffy
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
4704360402 MI
Self-reported in NPPES; status is on the state search
Practice location
1210 10TH Ave, Port Huron, MI 48060
Phone
(810) 662-3505
Enumerated
Jan 22, 2024
Record last updated
Jan 22, 2026
Medicare enrollment
Enrolled (PECOS I20250228002637); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2024
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 5,356 in Michigan → Look up another NPI →

Also registered at 1210 10TH Ave

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

  1. Emad Daher, MDInternal Medicine Physician1265415285
  2. Rachel Distelrath, FNP-BCFamily Nurse Practitioner1184440158
  3. Lindsay MarlattGerontology Nurse Practitioner1851969844
  4. Casey Renno, AGNP-CGerontology Nurse Practitioner1144866013
  5. David Schulman, DOVascular Surgery Physician1932213626
  6. Hailey Willoughby, FNP-CFamily Nurse Practitioner1487315420

Verify Kaitlyn Marie Mahaffy 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 4704360402    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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Bills Medicare through one group practice

  1. Blue Water Internal Medicine PCPort Huron, MI

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

Kaitlyn Marie Mahaffy among 5,356 family nurse practitioner records in Michigan

Kaitlyn Marie Mahaffy is one of 5,356 family nurse practitioner records with a practice address in Michigan. 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 2024, is newer than 86% of them.

  • NPI issued2024 · 86% of these records are older, 8% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2024 · median 2019 among the 3,254 with a school on file
  • Record last updated2026 · 40% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 family nurse practitioner records list a practice address in Port Huron

They are 39 of the 1,657 NPPES records with a practice address in Port Huron, and 5,356 family nurse practitioner records in Michigan.

All 5,356 in Michigan → Every provider in Port Huron → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Carolee AndersonPort Huron, MI 480601992181945
  2. Judy Convery, FNPPort Huron, MI 480601295054237
  3. Gudalia FajardoPort Huron, MI 480601083019012
  4. Geri Grossi, NPPort Huron, MI 480601992125223
  5. Sarah Ingles, ARNPPort Huron, MI 480601053323147
  6. Karen Kegler, FNPPort Huron, MI 480601588697379
  7. Margaret Kuczynski, N.P.Port Huron, MI 480601124364641
  8. Donald Lake, FNP-CPort Huron, MI 480601871014944

Common questions

What is Kaitlyn Marie Mahaffy's NPI number?

Kaitlyn Marie Mahaffy's National Provider Identifier (NPI) is 1023879657, issued on Jan 22, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Kaitlyn Marie Mahaffy located?

The NPPES record lists a practice address at 1210 10TH Ave, Port Huron, MI, 48060. Phone: (810) 662-3505. Providers update this record themselves, so call before visiting.

How can I verify Kaitlyn Marie Mahaffy's license?

NPPES lists Michigan license number 4704360402, as entered by the provider. Search the Michigan 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.