CATHERINE MARIE KARNER APRN
NPI 1316564396
Nurse Practitioner - Family in New Haven, CT
About Catherine Marie Karner Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE MARIE KARNER APRN (NPI 1316564396) is an individual family provider in New Haven, Connecticut, licensed in Connecticut (12.009016) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
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
Catherine Marie Karner Aprn 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
2Medicare enrollment records show Catherine Karner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 clinicians in this Medicare group
Bridgeport, CT 06605
- Reassigned Medicare billing, Connecticut enrollment
- 126 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06510 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW HAVEN, CT 06510
NEW HAVEN, CT 06510
NEW HAVEN, CT 06510
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 Catherine Karner's NPI number?
The NPI number for Catherine Karner is 1316564396. It was assigned to this individual provider in the NPPES registry on June 25, 2020.
Where is Catherine Karner located?
Catherine Karner practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 925-3637.
What is Catherine Karner's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Catherine Karner enrolled in Medicare?
Yes. Catherine Karner 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 Catherine Karner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Karner reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and South-West Community Health Center, Inc (Bridgeport, 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 Catherine Karner'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 Catherine Karner was last updated on May 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Catherine Marie Karner, APRN · NPI 1316564396
Family physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since June 25, 2020.
## Identity
- **NPI:** 1316564396 (Entity type: Individual)
- **Enumerated:** June 25, 2020
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 12.009016 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 20 YORK ST, New Haven, CT 06510-3220
- **Phone:** (203) 925-3637
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Yale University (NPI 1124148887, New Haven, CT); South-West Community Health Center, Inc (NPI 1699703686, Bridgeport, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** May 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1316564396) · Data from the CMS NPPES public registry.