KRISTEN A ZARFOS MD
NPI 1710982491
Surgery - Surgical Oncology in Hartford, CT
About Kristen A Zarfos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTEN A ZARFOS MD (NPI 1710982491) is an individual surgical oncology provider in Hartford, Connecticut, licensed in Connecticut (023673) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kristen A Zarfos Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Kristen Zarfos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 1,186 clinicians in this Medicare group
Wethersfield, CT 06109
- Reassigned Medicare billing, Connecticut enrollment
- 747 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 06105 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.
HARTFORD, CT 06105
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 Kristen Zarfos's NPI number?
The NPI number for Kristen Zarfos is 1710982491. It was assigned to this individual provider in the NPPES registry on June 17, 2005.
Where is Kristen Zarfos located?
Kristen Zarfos practices at 1000 Asylum Ave 4320, Hartford, CT 06105. The listed phone number is (860) 714-5237.
What is Kristen Zarfos's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Kristen Zarfos enrolled in Medicare?
Yes. Kristen Zarfos is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kristen Zarfos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Zarfos reassigns Medicare benefits to 2 organizations: Trinity Health Of New England Provider Network Organization Inc (Hartford, CT) and Hartford Healthcare Medical Group, Inc (Wethersfield, 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 Kristen Zarfos'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 Kristen Zarfos was last updated on June 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.