NPPES file of Aug 9, 2026

Katherine Anne Hammer

Adult Health Nurse Practitioner · Naples, FL

Katherine Anne Hammer is an adult health nurse practitioner with a practice address in Naples, Florida, and NPI 1720961352, issued on Jul 30, 2025. Check the license (Florida APRN11041243, 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
1720961352
Name
Katherine Anne Hammer
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
APRN11041243 FL
Self-reported in NPPES; status is on the state search
Practice location
1019 Crosspointe Dr Ste 1, Naples, FL 34110
Phone
(239) 799-6950
Enumerated
Jul 30, 2025
Record last updated
Feb 26, 2026
Medicare enrollment
Enrolled (PECOS I20250909001224); 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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8 nearest adult health nurse practitioner records → All 3,214 in Florida → Look up another NPI →

Also registered at 1019 Crosspointe Dr Ste 1

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

  1. Valeriu Neagu, M.D.Endocrinology, Diabetes & Metabolism Physician1306089156

Verify Katherine Anne Hammer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license APRN11041243    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. Integris Physician Group OF Florida PLLCNaples, FL

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

Katherine Anne Hammer among 3,214 adult health nurse practitioner records in Florida

Katherine Anne Hammer is one of 3,214 adult health nurse practitioner records with a practice address in Florida. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 96% of them.

  • NPI issued2025 · 96% of these records are older, 1% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2025 · median 2016 among the 1,584 with a school on file
  • Record last updated2026 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Florida

There are 3,214 adult health nurse practitioner records in Florida.

All 3,214 in Florida → Every provider in Naples → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Karen Blankenship, MSN, ARNPNaples, FL 341101194887943
  2. Evie Breedlove, NP-CNaples, FL 341101194132233
  3. Leonard Carlson, ARNPNaples, FL 341101962294744
  4. Eileen Drury, CRNPNaples, FL 341101679043210
  5. Jennifer Milko, CRNPNaples, FL 341101215591680
  6. Laura Reilly, APRNNaples, FL 341101154030633
  7. Jessica Rice, APRNNaples, FL 341101003432576
  8. Linda Sabo, NPNaples, FL 341101881230027

Common questions

What is Katherine Anne Hammer's NPI number?

Katherine Anne Hammer's National Provider Identifier (NPI) is 1720961352, issued on Jul 30, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Anne Hammer located?

The NPPES record lists a practice address at 1019 Crosspointe Dr Ste 1, Naples, FL, 34110. Phone: (239) 799-6950. Providers update this record themselves, so call before visiting.

How can I verify Katherine Anne Hammer's license?

NPPES lists Florida license number APRN11041243, 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.