DR. JEAN MARIE HAMMEL MD
NPI 1295762102
Emergency Medicine in Norwalk, CT
About Dr. Jean Marie Hammel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEAN MARIE HAMMEL MD (NPI 1295762102) is an individual emergency medicine provider in Norwalk, Connecticut, licensed in New York (235617) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jean Marie Hammel Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Jean Hammel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Norwalk, CT 06850
- Reassigned Medicare billing, Connecticut enrollment
- 113 clinicians in this Medicare group
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 155 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 3
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 06856 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Jean Hammel's NPI number?
The NPI number for Jean Hammel is 1295762102. It was assigned to this individual provider in the NPPES registry on June 27, 2006.
Where is Jean Hammel located?
Jean Hammel practices at 24 Stevens Street Norwalk Hospital Emergency Department, Norwalk, CT 06856. The listed phone number is (203) 852-2281.
What is Jean Hammel's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Jean Hammel enrolled in Medicare?
Yes. Jean Hammel is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jean Hammel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jean Hammel reassigns Medicare benefits to 2 organizations: Norwalk Hospital Association (Norwalk, CT) and Danbury Hospital (Danbury, 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 Jean Hammel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jean Hammel was last updated on February 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.