NPPES file of Aug 9, 2026

Kaelyn Callahan Harrison, MSN, APRN, FNP-C

Family Nurse Practitioner · Lakeland, FL

Kaelyn Callahan Harrison, MSN, APRN, FNP-C is a family nurse practitioner with a practice address in Lakeland, Florida, and NPI 1659031110, issued on Dec 26, 2021. Check the license (Florida APRN11016797, as entered in NPPES) on the Florida health license search; 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
1659031110
Name
Kaelyn Callahan Harrison
Credential
MSN, APRN, FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
APRN11016797 FL
Self-reported in NPPES; status is on the state search
Practice location
4175 Mayfair Way, Lakeland, FL 33812
Phone
(863) 838-4738
Enumerated
Dec 26, 2021
Record last updated
Dec 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20230725002430); 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 22,340 in Florida → Look up another NPI →

Also registered at 4175 Mayfair Way

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

  1. Lauren Dentler, LCSWClinical Social Worker1477905917

Verify Kaelyn Callahan Harrison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license APRN11016797    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
Open the Florida 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. Hospital Physician Services OF Florida PAWinter Haven, FL

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

Kaelyn Callahan Harrison among 22,340 family nurse practitioner records in Florida

Kaelyn Callahan Harrison, MSN, APRN, FNP-C is one of 22,340 family nurse practitioner records with a practice address in Florida. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 57% of them.

  • NPI issued2021 · 57% of these records are older, 36% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2021 · median 2020 among the 10,790 with a school on file
  • Record last updated2021 · 34% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

271 family nurse practitioner records list a practice address in Lakeland

They are 271 of the 5,099 NPPES records with a practice address in Lakeland, and 22,340 family nurse practitioner records in Florida.

All 22,340 in Florida → Every provider in Lakeland → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Henriette Bertheau AvilaLakeland, FL 338121740055201
  2. Brandy Brown, APRN FNPLakeland, FL 338121255032322
  3. Leslyn Campbell Borges Diaz, APRN FNP-CLakeland, FL 338121326972183
  4. Brooke Chang, APRNLakeland, FL 338121144786187
  5. Amanda MillicanLakeland, FL 338121174121909
  6. Zachary Oliver, FNP-BCLakeland, FL 338121659874451
  7. Kristen Tolley, MSN FNP-BCLakeland, FL 338121174095616
  8. Samantha Tuttle, APRNLakeland, FL 338121659961571

Common questions

What is Kaelyn Callahan Harrison, MSN, APRN, FNP-C's NPI number?

Kaelyn Callahan Harrison, MSN, APRN, FNP-C's National Provider Identifier (NPI) is 1659031110, issued on Dec 26, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Kaelyn Callahan Harrison, MSN, APRN, FNP-C located?

The NPPES record lists a practice address at 4175 Mayfair Way, Lakeland, FL, 33812. Phone: (863) 838-4738. Providers update this record themselves, so call before visiting.

How can I verify Kaelyn Callahan Harrison, MSN, APRN, FNP-C's license?

NPPES lists Florida license number APRN11016797, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.