DR. MARIEL JANA KATZ MD
NPI 1760123376
Student in an Organized Health Care Education/Training Program in Stamford, CT
About Dr. Mariel Jana Katz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIEL JANA KATZ MD (NPI 1760123376) is an individual student in an organized health care education/training program in Stamford, Connecticut and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Phelps Hospital, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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. Mariel Jana Katz 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 Reassignment
Medicare enrollment records show Mariel Katz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 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.
Phelps Hospital
Acute Care Hospitals · Sleepy Hollow, NYOther Providers at the Same Location NPPES 20
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 Mariel Katz's NPI number?
The NPI number for Mariel Katz is 1760123376. It was assigned to this individual provider in the NPPES registry on April 6, 2022.
Where is Mariel Katz located?
Mariel Katz practices at 1351 Washington Blvd, Stamford, CT 06902. The listed phone number is (203) 276-2270.
What is Mariel Katz's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Mariel Katz enrolled in Medicare?
Yes. Mariel Katz 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 organization bills Medicare for Mariel Katz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariel Katz reassigns Medicare benefits to North Shore-Lij Medical PC (Great Neck, NY). The 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 Mariel Katz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mariel Katz affiliated with any hospitals?
According to CMS data, Mariel Katz is affiliated with Phelps Hospital.
When was this NPI record last updated?
The NPPES record for Mariel Katz was last updated on April 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.