Marissa Potenza, - Medicare Emergency Medicine in Washington, DC

Marissa Potenza, is a medicare enrolled "Emergency Medicine" physician in Washington, District Of Columbia. She went to Albany Medical College Of Union University and graduated in 2016 and has 8 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice George Washington University Medical Faculty Associates and her current practice location is 900 23rd St Nw, Washington, District Of Columbia. You can reach out to her office (for appointments etc.) via phone at (202) 741-2911.

Marissa Potenza is licensed to practice in District Of Columbia (license number MD210003006) 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 1760844880.

Contact Information

Marissa Potenza,
900 23rd St Nw,
Washington, DC 20037-2342
(202) 741-2911
(202) 741-2921

Map and Direction




Physician's Profile

Full NameMarissa Potenza
GenderFemale
SpecialityEmergency Medicine
Experience8 Years
Location900 23rd St Nw, Washington, District Of Columbia
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:
  • Marissa Potenza attended and graduated from Albany Medical College Of Union University in 2016
  NPI Data:
  • NPI Number: 1760844880
  • Provider Enumeration Date: 03/28/2016
  • Last Update Date: 12/15/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 4486990066
  • Enrollment ID: I20230121000004

Medical Identifiers

Medical identifiers for Marissa Potenza such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760844880NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 293790 (New York)Secondary
207P00000XEmergency Medicine MD210003006 (District Of Columbia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
George Washington Univ HospitalWashington, DCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
George Washington University Medical Faculty Associates4082528898651

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. Marissa Potenza allows following entities to bill medicare on her behalf.
Entity NameMedical Faculty Associates, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417990581
PECOS PAC ID: 4082528898
Enrollment ID: O20031117000341

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. Marissa Potenza 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
Marissa Potenza,
900 23rd St Nw,
Washington, DC 20037-2342

Ph: () -
Marissa Potenza,
900 23rd St Nw,
Washington, DC 20037-2342

Ph: (202) 741-2911

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).

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