DARIO ZAGAR M.D.
NPI 1093773756
Psychiatry & Neurology - Neurology in Fairfield, CT
About Dario Zagar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DARIO ZAGAR M.D. (NPI 1093773756) is an individual neurology provider in Fairfield, Connecticut, licensed in Connecticut (042359) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Dario Zagar M.d. 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 Dario Zagar 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
Torrington, CT 06790
- Reassigned Medicare billing, Connecticut enrollment
- 288 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.
Areas of Expertise CMS Part B claims 11
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06824 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
FAIRFIELD, CT 06824
FAIRFIELD, CT 06824
FAIRFIELD, CT 06824
FAIRFIELD, CT 06824
FAIRFIELD, CT 06824
FAIRFIELD, CT 06824
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 Dario Zagar's NPI number?
The NPI number for Dario Zagar is 1093773756. It was assigned to this individual provider in the NPPES registry on May 3, 2006.
Where is Dario Zagar located?
Dario Zagar practices at 75 Kings Highway Cutoff 5th Floor, Fairfield, CT 06824. The listed phone number is (203) 333-1133.
What is Dario Zagar's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Dario Zagar enrolled in Medicare?
Yes. Dario Zagar 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 Dario Zagar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dario Zagar reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and Neighborhood Health, Inc. (Torrington, 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 Dario Zagar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dario Zagar accept?
Health plans from Anthem Blue Cross and Blue Shield list Dario Zagar 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.
When was this NPI record last updated?
The NPPES record for Dario Zagar was last updated on August 1, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.