Dr Marissa Nadeau, MD - Medicare Emergency Medicine in New York, NY

Dr Marissa Nadeau, MD is a medicare enrolled "Emergency Medicine" physician in New York, New York. She graduated from medical school in 2014 and has 11 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Trustees Of Columbia University In The City Of New York and her current practice location is 622 West 168th St, Vc2-suite 260, New York, New York. You can reach out to her office (for appointments etc.) via phone at (212) 305-2995.

Dr Marissa Nadeau is licensed to practice in New York (license number 289278) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1144647447.

Contact Information

Dr Marissa Nadeau, MD
622 West 168th St, Vc2-suite 260,
New York, NY 10032-3851
(212) 305-2995
(212) 305-6792

Map and Direction




Physician's Profile

Full NameDr Marissa Nadeau
GenderFemale
SpecialityEmergency Medicine
Experience11 Years
Location622 West 168th St, New York, New York
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Marissa Nadeau graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1144647447
  • Provider Enumeration Date: 03/25/2014
  • Last Update Date: 03/10/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9234404013
  • Enrollment ID: I20171004001188

Medical Identifiers

Medical identifiers for Dr Marissa Nadeau such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144647447NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 289278 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
New York-presbyterian HospitalNew york, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Trustees Of Columbia University In The City Of New York85279725461895

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Marissa Nadeau allows following entities to bill medicare on her behalf.
Entity NameTrustees Of Columbia University In The City Of New York
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982993184
PECOS PAC ID: 8527972546
Enrollment ID: O20040407001360
Entity NameTrustees Of Columbia University In The City Of New York
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508266347
PECOS PAC ID: 8527972546
Enrollment ID: O20151201002613

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Marissa Nadeau is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Marissa Nadeau, MD
622 W 168th St, Vc2 - Suite 260,
New York, NY 10031

Ph: () -
Dr Marissa Nadeau, MD
622 West 168th St, Vc2-suite 260,
New York, NY 10032-3851

Ph: (212) 305-2995

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.