Marissa F Kleffman Underwood, ARNP - Medicare Nurse Practitioner in Greenville, NC

Marissa F Kleffman Underwood, ARNP is a medicare enrolled "Nurse Practitioner - Family" in Greenville, North Carolina. She graduated from nursing school in 2015 and has 9 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice East Carolina University and her current practice location is 1204 E Fire Tower Rd, Greenville, North Carolina. You can reach out to her office (for appointments etc.) via phone at (252) 744-1122.

Marissa F Kleffman Underwood is licensed to practice in North Carolina (license number 264412) 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 1144691528.

Contact Information

Marissa F Kleffman Underwood, ARNP
1204 E Fire Tower Rd,
Greenville, NC 27858-4196
(252) 744-1122
(252) 744-1133

Map and Direction




Provider's Profile

Full NameMarissa F Kleffman Underwood
GenderFemale
SpecialityNurse Practitioner
Experience9 Years
Location1204 E Fire Tower Rd, Greenville, North Carolina
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 F Kleffman Underwood graduated from nursing school in 2015
  NPI Data:
  • NPI Number: 1144691528
  • Provider Enumeration Date: 10/12/2015
  • Last Update Date: 02/16/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7911200811
  • Enrollment ID: I20160127001640

Medical Identifiers

Medical identifiers for Marissa F Kleffman Underwood such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144691528NPI-NPPES
19GSYOtherBCBS OF NC
1144691528MedicaidNC
NCR001BOtherNCMEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 5008128 (North Carolina)Secondary
363LF0000XNurse Practitioner - Family 264412 (North Carolina)Primary
363L00000XNurse Practitioner ARNP9467370 (Florida)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Vidant Medical CenterGreenville, NCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
East Carolina University0244143246362

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 F Kleffman Underwood allows following entities to bill medicare on her behalf.
Entity NameEast Carolina University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972551919
PECOS PAC ID: 0244143246
Enrollment ID: O20031106000400
Entity NameVance Family Medicine Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619938479
PECOS PAC ID: 9436053014
Enrollment ID: O20040114000678

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 F Kleffman Underwood 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 F Kleffman Underwood, ARNP
Po Box 751069,
Charlotte, NC 28275-1069

Ph: () -
Marissa F Kleffman Underwood, ARNP
1204 E Fire Tower Rd,
Greenville, NC 27858-4196

Ph: (252) 744-1122

Reviews and Comments


Nurse Practitioner Nurses in Greenville, NC

Staci G. Streeter-moye, ANP
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Medicare: Medicare Enrolled
Practice Location: 511 Paladin Dr, Greenville, NC 27834
Phone: 252-752-8880    Fax: 252-752-3084
Jacqueline R Costello, DNP, RN, CPNP
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Medicare: Accepting Medicare Assignments
Practice Location: 2150 Herbert Ct, Greenville, NC 27834
Phone: 252-744-5437    Fax: 252-744-1514
Walter Roger Nelson, F.N.P.
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Medicare: Not Enrolled in Medicare
Practice Location: 2280 Hemby Ln, Greenville, NC 27834
Phone: 252-752-4848    Fax: 252-752-9607
Ms. Marcy Sue Speight, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 622 S Memorial Dr, Greenville, NC 27858
Phone: 570-371-8303    
Ann R Chambers, NP-C
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Medicare: Medicare Enrolled
Practice Location: 2100 Stantonsburg Rd, Greenville, NC 27834
Phone: 252-847-6958    
Felicia R. Richardson, ANP-C
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Medicare: Accepting Medicare Assignments
Practice Location: 2280 Hemby Ln, Greenville, NC 27834
Phone: 252-744-9400    Fax: 252-744-9401
Mrs. Elizabeth Hayes Santiago, NNP-BC
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Medicare: Medicare Enrolled
Practice Location: 2102 Stantonsburg Rd, Greenville, NC 27834
Phone: 252-847-4378    

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.