Katherine Hammer
NPI 1720961352 · Adult Health Nurse Practitioner · Naples, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Hammer is a Adult Health Nurse Practitioner provider in Naples, FL (NPI 1720961352).
Provider details
- NPI number
- 1720961352
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- APRN11041243 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-07-30
- Last updated
- 2026-02-26
- Certified
- 2026-02-26
Frequently asked questions
- What is Katherine Hammer's NPI number?
- Katherine Hammer's National Provider Identifier (NPI) is 1720961352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Hammer's specialty?
- Katherine Hammer is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Hammer located?
- Katherine Hammer's practice location on file with NPPES is 1019 Crosspointe Dr Ste 1, Naples, FL 34110-0950.
- What is Katherine Hammer's phone number?
- The practice phone number listed in the NPPES registry for Katherine Hammer is (239) 799-6950.
- Does Katherine Hammer accept Medicare?
- Katherine Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Hammer's NPI active?
- Yes — Katherine Hammer's NPI (1720961352) is active in the NPPES registry as of the last update on 2026-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.