MIRIAM TREGGIARI MD
NPI 1689899668
Anesthesiology in New Haven, CT
About Miriam Treggiari Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIRIAM TREGGIARI MD (NPI 1689899668) is an individual anesthesiology provider in New Haven, Connecticut, licensed in North Carolina (2022-00850) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and maintains a secondary practice location in Seattle.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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
Miriam Treggiari Md 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 Reassignment
Medicare enrollment records show Miriam Treggiari reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Durham, NC 27704
- Reassigned Medicare billing, North Carolina enrollment
- 3,671 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Duke University Hospital
Acute Care Hospitals · Durham, NCOther 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
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 Miriam Treggiari's NPI number?
The NPI number for Miriam Treggiari is 1689899668. It was assigned to this individual provider in the NPPES registry on April 16, 2007.
Where is Miriam Treggiari located?
Miriam Treggiari practices at 333 Cedar St, New Haven, CT 06510. The listed phone number is (203) 785-2802.
What is Miriam Treggiari's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Miriam Treggiari enrolled in Medicare?
Yes. Miriam Treggiari 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 organization bills Medicare for Miriam Treggiari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Miriam Treggiari reassigns Medicare benefits to Duke Health Integrated Practice, Inc (Durham, NC). The 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 Miriam Treggiari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Miriam Treggiari accept?
Health plans from Cigna Healthcare list Miriam Treggiari 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.
Is Miriam Treggiari affiliated with any hospitals?
According to CMS data, Miriam Treggiari is affiliated with Duke University Hospital.
When was this NPI record last updated?
The NPPES record for Miriam Treggiari was last updated on April 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.