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KATHERINE WARNER DNP, FNP-C
NPI 1720841885
Nurse Practitioner - Family in Plymouth, CT

Active since February 01, 2024PECOS EnrolledAccepts Medicare Assignment
21 JACKSON ST, PLYMOUTH, CT 06782(203) 788-3632 Get Directions Write a Review

NPPES record last updated: February 1, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katherine Warner Dnp, Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE WARNER DNP, FNP-C (NPI 1720841885) is an individual family provider in Plymouth, Connecticut, licensed in Connecticut (12846) and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1720841885
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKATHERINE WARNERCredential: DNP, FNP-C
Location Address21 JACKSON STPlymouth, CT 06782-2401
Mailing Address21 Jackson StPlymouth, CT 06782-2401
Phone(203) 788-3632
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateFebruary 1, 2024
NPPES CertifiedFebruary 1, 2024
✔ NPI 1720841885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CT · 12846
21 JACKSON ST, Plymouth, CT 06782
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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 Warner Dnp, Fnp-c 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.

PECOS PAC ID8123468717
PECOS Enrollment IDI20240430001788
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Katherine Warner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Physicians Of Connecticut PC
6.8 mi
Emergency Medicine
64 ROBBINS ST
Waterbury, CT 06708
  • Reassigned Medicare billing, Connecticut enrollment
  • 125 clinicians in this Medicare group
NPI 1902278906 (856) 686-4300
Hartford Healthcare Urgent Care Centers, LLC
15 mi
Urgent Care
385 W MAIN ST
Avon, CT 06001
  • Reassigned Medicare billing, Connecticut enrollment
  • 182 clinicians in this Medicare group
NPI 1093239683 (860) 777-1280

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
57 services55 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
29 services29 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
21 services21 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
18 services17 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06782 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Warner's NPI number?

The NPI number for Katherine Warner is 1720841885. It was assigned to this individual provider in the NPPES registry on February 1, 2024.

Where is Katherine Warner located?

Katherine Warner practices at 21 Jackson St, Plymouth, CT 06782. The listed phone number is (203) 788-3632.

What is Katherine Warner's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Katherine Warner enrolled in Medicare?

Yes. Katherine Warner 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 Warner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Warner reassigns Medicare benefits to 2 organizations: Emergency Physicians Of Connecticut PC (Waterbury, CT) and Hartford Healthcare Urgent Care Centers, LLC (Avon, CT). 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 Warner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katherine Warner was last updated on February 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.