STEVEN LLOYD ZWEIBEL MD
NPI 1841214830
Internal Medicine - Clinical Cardiac Electrophysiology in Hartford, CT
About Steven Lloyd Zweibel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN LLOYD ZWEIBEL MD (NPI 1841214830) is an individual clinical cardiac electrophysiology provider in Hartford, Connecticut, licensed in Connecticut (045145) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Steven Lloyd Zweibel 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
4Medicare enrollment records show Steven Zweibel reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06102
- Reassigned Medicare billing, Connecticut enrollment
- 1,333 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 clinicians in this Medicare group
Wethersfield, CT 06109
- Reassigned Medicare billing, Connecticut enrollment
- 747 clinicians in this Medicare group
Meriden, CT 06451
- Reassigned Medicare billing, Connecticut enrollment
- 505 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 17
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 06102 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.
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 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
HARTFORD, CT 06102
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 Steven Zweibel's NPI number?
The NPI number for Steven Zweibel is 1841214830. It was assigned to this individual provider in the NPPES registry on July 26, 2006.
Where is Steven Zweibel located?
Steven Zweibel practices at 80 Seymour Street Hartford Hospital Cardiology Dept, Hartford, CT 06102. The listed phone number is (860) 545-1506.
What is Steven Zweibel's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Steven Zweibel enrolled in Medicare?
Yes. Steven Zweibel 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 Steven Zweibel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Zweibel reassigns Medicare benefits to 4 organizations: Hartford Hospital (Hartford, CT), Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT), Hartford Healthcare Medical Group, Inc (Wethersfield, CT) and Midstate Medical Center (Meriden, 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 Steven Zweibel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Zweibel accept?
Health plans from Anthem Blue Cross and Blue Shield list Steven Zweibel 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 Steven Zweibel 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.
# Steven Lloyd Zweibel, MD · NPI 1841214830
Clinical Cardiac Electrophysiology physician in Hartford, Connecticut. Individual provider, active in the CMS NPPES registry since July 26, 2006.
## Identity
- **NPI:** 1841214830 (Entity type: Individual)
- **Enumerated:** July 26, 2006
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **State license:** 045145 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 80 SEYMOUR STREET, HARTFORD HOSPITAL CARDIOLOGY DEPT, Hartford, CT 06102
- **Phone:** (860) 545-1506
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Hartford Hospital (NPI 1770696643, Hartford, CT); Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT); Hartford Healthcare Medical Group, Inc (NPI 1043561301, Wethersfield, CT); Midstate Medical Center (NPI 1154425288, Meriden, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** August 1, 2008
- **Other identifiers:** Medicare UPIN F42992 (NY); Medicare ID-Type Unspecified 16N501; Medicare PIN 060001860 (C00814) (CT); and 1 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1841214830) · Data from the CMS NPPES public registry.