MR. HARVEY ALLEN ZAR MD
NPI 1346337813
Anesthesiology in New Haven, CT

Active since October 06, 2006PECOS EnrolledAccepts Medicare Assignment
198 ALDEN AVE, NEW HAVEN, CT 06515(203) 691-7505(203) 691-7505 Get Directions Write a Review

NPPES record last updated: October 29, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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

NPI1346337813
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMR. HARVEY ALLEN ZARCredential: MD
Location Address198 ALDEN AVENew Haven, CT 06515-2112
Mailing Address198 Alden AveNew Haven, CT 06515-2112 · (203) 691-7505 · Fax (203) 691-7505
Fax(203) 691-7505
Sole ProprietorYes
Medical School CMSIndiana University School Of MedicineGraduated 1980
Enumeration DateOctober 6, 2006
Last NPPES UpdateOctober 29, 2025
NPPES CertifiedOctober 29, 2025
✔ NPI 1346337813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in ND · 22488✔ Licensed in IN · 0103174A✔ Licensed in KY · C4495
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
198 ALDEN AVE, New Haven, CT 06515

Secondary Practice Location 1

Location 1200 Abraham Flexner WayLouisville, KY 40202-2877 · Phone (502) 852-5851

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.

PECOS PAC ID1557316213
PECOS Enrollment IDI20251110000351
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare 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.

General Acute Care Hospital
575 BEECH ST
Holyoke, MA 01040
  • Reassigned Medicare billing, Massachusetts enrollment
  • 51 clinicians in this Medicare group
Pediatric Critical Care Medicine
9700 PARK PLAZA AVE, SUITE 110
Louisville, KY 40241
  • Reassigned Medicare billing, Kentucky enrollment
  • 2,337 clinicians in this Medicare group
Multi-Specialty
565 S 7TH ST
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, KY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180040
Location200 Abraham Flexner WayLouisville, KY 40202 · Jefferson County
Emergency services

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 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.