Marissa Hewitt, RDN - Medicare Dietitian in Clarksville, TN

Marissa Hewitt, RDN is a medicare enrolled "Dietitian, Registered" provider in Clarksville, Tennessee. She graduated from medical school in 2017 and has 9 years of diverse experience with area of expertise as Registered Dietitian Or Nutrition Professional. She is a member of the group practice Mnt, Inc., Mnt, Inc. and her current practice location is 1197 Belvoir Ln, Clarksville, Tennessee. You can reach out to her office (for appointments etc.) via phone at (734) 546-6622.

Marissa Hewitt is licensed to practice in * (Not Available) (license number ) 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 1871481564.

Contact Information

Marissa Hewitt, RDN
1197 Belvoir Ln,
Clarksville, TN 37040-1443
(734) 546-6622
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameMarissa Hewitt
GenderFemale
SpecialityRegistered Dietitian Or Nutrition Professional
Experience9 Years
Location1197 Belvoir Ln, Clarksville, Tennessee
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 Hewitt graduated from medical school in 2017
  NPI Data:
  • NPI Number: 1871481564
  • Provider Enumeration Date: 06/24/2025
  • Last Update Date: 06/24/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 5294233797
  • Enrollment ID: I20250909003731

Medical Identifiers

Medical identifiers for Marissa Hewitt such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1871481564NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
133V00000XDietitian, Registered (* (Not Available))Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mnt, Inc.88201321454
Mnt, Inc.88201321454

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 Hewitt allows following entities to bill medicare on her behalf.
Provider NameMnt, Inc.
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1881925428
PECOS PAC ID: 8820132145
Enrollment ID: O20100224000307

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 Hewitt 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 Hewitt, RDN
1197 Belvoir Ln,
Clarksville, TN 37040-1443

Ph: (734) 546-6622
Marissa Hewitt, RDN
1197 Belvoir Ln,
Clarksville, TN 37040-1443

Ph: (734) 546-6622

Reviews and Comments


Dietitian, Registered in Clarksville, TN

Alyssa Poythress, RDN
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Phone: 931-257-6503    
Mrs. Daran Shania Mcmillen, RDN, LD
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Practice Location: 393 Augusta Pl, Clarksville, TN 37043
Phone: 812-350-2098    
Caitlynn Richole Poynter, RDN, LDN, CDCES
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Phone: 931-502-1690    
Maggie Walker Swift, RD
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Practice Location: 424 Rivermont Dr, Clarksville, TN 37043
Phone: 931-801-8902    
Ms. Margaret Nelle Martin, RD, MS, CDE, LDN
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Practice Location: 215 Maplemere Dr, Clarksville, TN 37040
Phone: 931-552-4243    
Madison Barker, RDN
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Medicare: May Accept Medicare Assignments
Practice Location: 542 Idlewood Dr, Clarksville, TN 37043
Phone: 931-217-4035    
Mrs. Stephanie Jane Mcmurry, R.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 782 Weatherly Dr, Clarksville, TN 37043
Phone: 315-425-4400    

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.