MR. HARVEY ALLEN ZAR MD
NPI 1346337813
Anesthesiology in New Haven, CT
About Mr. Harvey Allen Zar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. HARVEY ALLEN ZAR MD (NPI 1346337813) is an individual anesthesiology provider in New Haven, Connecticut, licensed in North Dakota (22488) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Jewish Hospital & St Mary's Healthcare, and maintains a secondary practice location in Louisville.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Mr. Harvey Allen Zar 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 Reassignments
3Medicare enrollment records show Harvey Zar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Holyoke, MA 01040
- Reassigned Medicare billing, Massachusetts enrollment
- 51 clinicians in this Medicare group
Louisville, KY 40241
- Reassigned Medicare billing, Kentucky enrollment
- 2,337 clinicians in this Medicare group
Bismarck, ND 58504
- Reassigned Medicare billing, North Dakota enrollment
- 779 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Jewish Hospital & St Mary's Healthcare
Acute Care Hospitals · Louisville, KYFrequently 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 Harvey Zar's NPI number?
The NPI number for Harvey Zar is 1346337813. It was assigned to this individual provider in the NPPES registry on October 6, 2006.
Where is Harvey Zar located?
Harvey Zar practices at 198 Alden Ave, New Haven, CT 06515. The listed phone number is (203) 691-7505.
What is Harvey Zar's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Harvey Zar enrolled in Medicare?
Yes. Harvey Zar 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 Harvey Zar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harvey Zar reassigns Medicare benefits to 3 organizations: Holyoke Medical Center, Inc. (Holyoke, MA), University Of Louisville Physicians, Inc. (Louisville, KY) and Sanford Bismarck (Bismarck, ND). 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 Harvey Zar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Harvey Zar accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter of Tennessee list Harvey Zar 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 Harvey Zar affiliated with any hospitals?
According to CMS data, Harvey Zar is affiliated with Jewish Hospital & St Mary's Healthcare.
When was this NPI record last updated?
The NPPES record for Harvey Zar was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.