DR. HANNAH ZWIBELMAN M.D.
NPI 1447664461
Surgery - Vascular Surgery in New Haven, CT
About Dr. Hannah Zwibelman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HANNAH ZWIBELMAN M.D. (NPI 1447664461) is an individual vascular surgery provider in New Haven, Connecticut, licensed in Connecticut (64225) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in New Haven, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2014).
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
Dr. Hannah Zwibelman 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 Hannah Zwibelman 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
Shelton, CT 06484
- Reassigned Medicare billing, Connecticut enrollment
- 7 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 8
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 06519 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.
NEW HAVEN, CT 06519
NEW HAVEN, CT 06519
NEW HAVEN, CT 06519
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 Hannah Zwibelman's NPI number?
The NPI number for Hannah Zwibelman is 1447664461. It was assigned to this individual provider in the NPPES registry on June 18, 2014.
Where is Hannah Zwibelman located?
Hannah Zwibelman practices at 800 Howard Ave, New Haven, CT 06519. The listed phone number is (203) 785-2561.
What is Hannah Zwibelman's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Hannah Zwibelman enrolled in Medicare?
Yes. Hannah Zwibelman 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 Hannah Zwibelman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Zwibelman reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and Connecticut Vascular Surgical Associates, PC (Shelton, 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 Hannah Zwibelman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hannah Zwibelman accept?
Health plans from Anthem Blue Cross and Blue Shield list Hannah Zwibelman 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 Hannah Zwibelman was last updated on September 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Hannah Zwibelman, M.D. · NPI 1447664461
Vascular Surgery physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since June 18, 2014.
## Identity
- **NPI:** 1447664461 (Entity type: Individual)
- **Enumerated:** June 18, 2014
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** 64225 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 HOWARD AVE, New Haven, CT 06519-1369
- **Phone:** (203) 785-2561
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Yale University (NPI 1124148887, New Haven, CT); Connecticut Vascular Surgical Associates, PC (NPI 1801805403, Shelton, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kansas School Of Med, class of 2014
## Record status
- **NPPES last updated:** September 19, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1447664461) · Data from the CMS NPPES public registry.