KATHERINE ANNE HAMMER
NPI 1720961352
Nurse Practitioner - Adult Health in Naples, FL
About Katherine Anne Hammer NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE ANNE HAMMER (NPI 1720961352) is an individual adult health provider in Naples, Florida, licensed in Florida (APRN11041243) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS, is affiliated with Naples Community Hospital, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Katherine Anne Hammer is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Katherine Hammer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Naples, FL 34110
- Reassigned Medicare billing, Florida enrollment
- 4 clinicians in this Medicare group
Orlando, FL 32819
- Reassigned Medicare billing, Florida enrollment
- 208 clinicians in this Medicare group
Orlando, FL 32819
- Reassigned Medicare billing, Florida enrollment
- 110 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Naples Community Hospital
Acute Care Hospitals · Naples, FLPhysicians Regional Medical Center - Pine Ridge
Acute Care Hospitals · Naples, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 34110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NAPLES, FL 34110
NAPLES, FL 34110
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Katherine Hammer's NPI number?
The NPI number for Katherine Hammer is 1720961352. It was assigned to this individual provider in the NPPES registry on July 30, 2025. The provider is also known as Katherine Anne Hogan.
Where is Katherine Hammer located?
Katherine Hammer practices at 1019 Crosspointe Dr Ste 1, Naples, FL 34110. The listed phone number is (239) 799-6950.
What is Katherine Hammer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Katherine Hammer enrolled in Medicare?
Yes. Katherine Hammer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Katherine Hammer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Hammer reassigns Medicare benefits to 3 organizations: Integris Physician Group Of Florida PLLC (Naples, FL), Wound Technology Network Inc (Orlando, FL) and Wt Health Of Florida LLC (Orlando, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katherine Hammer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Hammer accept?
Health plans from Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Katherine Hammer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Katherine Hammer affiliated with any hospitals?
According to CMS data, Katherine Hammer is affiliated with Naples Community Hospital and Physicians Regional Medical Center - Pine Ridge.
When was this NPI record last updated?
The NPPES record for Katherine Hammer was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Katherine Anne Hammer · NPI 1720961352
Adult Health physician in Naples, Florida. Individual provider, active in the CMS NPPES registry since July 30, 2025.
## Identity
- **NPI:** 1720961352 (Entity type: Individual)
- **Enumerated:** July 30, 2025
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** APRN11041243 (Florida)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1019 CROSSPOINTE DR STE 1, Naples, FL 34110-0950
- **Phone:** (239) 799-6950
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Integris Physician Group Of Florida PLLC (NPI 1356039663, Naples, FL); Wound Technology Network Inc (NPI 1962601393, Orlando, FL); Wt Health Of Florida LLC (NPI 1982434106, Orlando, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** February 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1720961352) · Data from the CMS NPPES public registry.