Ms Marilyn D Williams, NP - Medicare Nurse Practitioner in Greenville, MS

Ms Marilyn D Williams, NP is a medicare enrolled "Nurse Practitioner - Family" in Greenville, Mississippi. She graduated from nursing school in 1994 and has 30 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Delta Medical Group and her current practice location is 129 E Starling St Ste A, Greenville, Mississippi. You can reach out to her office (for appointments etc.) via phone at (662) 378-8868.

Ms Marilyn D Williams is licensed to practice in Mississippi (license number R745833) 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 1043468234.

Contact Information

Ms Marilyn D Williams, NP
129 E Starling St Ste A,
Greenville, MS 38701-4725
(662) 378-8868
(662) 378-8462

Map and Direction




Provider's Profile

Full NameMs Marilyn D Williams
GenderFemale
SpecialityNurse Practitioner
Experience30 Years
Location129 E Starling St Ste A, Greenville, Mississippi
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:
  • Ms Marilyn D Williams graduated from nursing school in 1994
  NPI Data:
  • NPI Number: 1043468234
  • Provider Enumeration Date: 09/03/2008
  • Last Update Date: 05/29/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 8325178452
  • Enrollment ID: I20100616000022

Medical Identifiers

Medical identifiers for Ms Marilyn D Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043468234NPI-NPPES
01582712MedicaidMS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family R745833 (Mississippi)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Delta Regional Medical CenterGreenville, MSHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Delta Medical Group660877553141

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. Ms Marilyn D Williams allows following entities to bill medicare on her behalf.
Entity NameDelta Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790701134
PECOS PAC ID: 6608775531
Enrollment ID: O20040108000636

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. Ms Marilyn D Williams 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
Ms Marilyn D Williams, NP
129 E Starling St Ste A,
Greenville, MS 38701-4725

Ph: (662) 378-8868
Ms Marilyn D Williams, NP
129 E Starling St Ste A,
Greenville, MS 38701-4725

Ph: (662) 378-8868

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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