NPPES file of Aug 9, 2026

Katherine R. Mershon, ARNP

Pediatric Nurse Practitioner · Jacksonville, FL

Katherine R. Mershon, ARNP is a pediatric nurse practitioner with a practice address in Jacksonville, Florida, and NPI 1891014916, issued on May 28, 2010. Check the license (Florida ARNP9252523, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891014916
Name
Katherine R. Mershon
Credential
ARNP
Primary taxonomy
Pediatric Nurse Practitioner 363LP0200X
License number
ARNP9252523 FL
Self-reported in NPPES; status is on the state search
Practice location
2121 Park St, Jacksonville, FL 32204
Phone
(904) 387-6200
Enumerated
May 28, 2010
Record last updated
May 28, 2010 (not updated in 16 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2121 Park St

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

  1. Julie Baker, MDPediatric Adolescent Medicine Physician1366435547
  2. James Cheek, MDPediatric Adolescent Medicine Physician1962495168
  3. Robert Colyer, MDPediatric Adolescent Medicine Physician1649263922
  4. Thomas Connolly, MD05/25Pediatric Adolescent Medicine Physician1093708125
  5. Leah Copham, ARNPPediatric Nurse Practitioner1841547601
  6. Clara Dudley, M.D.Pediatrics Physician1346477882

Verify Katherine R. Mershon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ARNP9252523
    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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Industry payments in 2024: $106.85

5 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 7,169 providers of this specialty with any payment received $330.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Mershon$106.85
  2. Specialty average$330.95

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

Katherine R. Mershon among 1,546 pediatric nurse practitioner records in Florida

Katherine R. Mershon, ARNP is one of 1,546 pediatric nurse practitioner records with a practice address in Florida. 45% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 29% of them.

  • NPI issued2010 · 29% of these records are older, 67% newer
  • In a Medicare fileYes · 45% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2010 · 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 363LP0200X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Nurse Practitioner providers in Florida

There are 1,546 pediatric nurse practitioner records in Florida.

The 8 pediatric nurse practitioner records with the nearest ZIP codes

  1. Leah Copham, ARNPJacksonville, FL 322041841547601
  2. Elizabeth Emerson, PNP-PCJacksonville, FL 322041164153060
  3. Judith Hepburn, ARNPJacksonville, FL 322041447621420
  4. Wendy King, APRNJacksonville, FL 322041336781772
  5. Kerry Nolan, APRNJacksonville, FL 322041124334156
  6. Knetra Pendleton, APRNJacksonville, FL 322041013382126
  7. Abby Sapp, APRNJacksonville, FL 322041194362384
  8. Cathleen Southall, ARNPJacksonville, FL 322041821314683

Common questions

What is Katherine R. Mershon, ARNP's NPI number?

Katherine R. Mershon, ARNP's National Provider Identifier (NPI) is 1891014916, issued on May 28, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Katherine R. Mershon, ARNP located?

The NPPES record lists a practice address at 2121 Park St, Jacksonville, FL, 32204. Phone: (904) 387-6200. Providers update this record themselves, so call before visiting.

How can I verify Katherine R. Mershon, ARNP's license?

NPPES lists Florida license number ARNP9252523, 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.

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.