DR. MARLAINA M NORRIS M.D.
NPI 1316112717
Emergency Medicine in New York, NY
About Dr. Marlaina M Norris M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARLAINA M NORRIS M.D. (NPI 1316112717) is an individual emergency medicine provider in New York, New York, licensed in Illinois (036142974) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and is a graduate of Tufts University School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses 2
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. Marlaina M Norris 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
3Medicare enrollment records show Marlaina Norris reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 1,067 clinicians in this Medicare group
Chicago, IL 60605
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 982 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 4
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mt Sinai Hospital Medical Center
Acute Care Hospitals · Chicago, ILRush University Medical Center
Acute Care Hospitals · Chicago, ILHoly Cross Hospital
Acute Care Hospitals · Chicago, ILSt Joseph Medical Center
Acute Care Hospitals · Bloomington, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10029 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 YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
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 Marlaina Norris's NPI number?
The NPI number for Marlaina Norris is 1316112717. It was assigned to this individual provider in the NPPES registry on April 25, 2008.
Where is Marlaina Norris located?
Marlaina Norris practices at 1 Gustave L Levy Pl Box 1149, New York, NY 10029. The listed phone number is (646) 709-9970.
What is Marlaina Norris's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Marlaina Norris enrolled in Medicare?
Yes. Marlaina Norris 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 Marlaina Norris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marlaina Norris reassigns Medicare benefits to 3 organizations: Fpa Hospital Based (New York, NY), Rush University Medical Center (Chicago, IL) and Cepamerica Illinois LLP (Chicago, IL). 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 Marlaina Norris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marlaina Norris affiliated with any hospitals?
According to CMS data, Marlaina Norris is affiliated with Mt Sinai Hospital Medical Center, Rush University Medical Center, Holy Cross Hospital and St Joseph Medical Center.
When was this NPI record last updated?
The NPPES record for Marlaina Norris was last updated on November 7, 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.