Stacy Williams, PMHNP-BC, NP-C - Medicare Nurse Practitioner in Pascagoula, MS

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Stacy Williams, PMHNP-BC, NP-C is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Pascagoula, Mississippi. She graduated from nursing school in 2024 and has 2 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Medical Systems Management, Llc and her current practice location is 501 Krebs Ave Ste C, Pascagoula, Mississippi. You can reach out to her office (for appointments etc.) via phone at (228) 549-1019.

Stacy Williams is licensed to practice in Mississippi (license number 903897) 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 1477188332.

Contact Information

Stacy Williams, PMHNP-BC, NP-C
501 Krebs Ave Ste C,
Pascagoula, MS 39567-3123
(228) 549-1019
(732) 832-3632

Map and Direction




Provider's Profile

Full NameStacy Williams
GenderFemale
SpecialityNurse Practitioner
Experience2 Years
Location501 Krebs Ave Ste C, Pascagoula, 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:
  • Stacy Williams graduated from nursing school in 2024
  NPI Data:
  • NPI Number: 1477188332
  • Provider Enumeration Date: 03/10/2020
  • Last Update Date: 10/12/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 0941613079
  • Enrollment ID: I20210111002150

Medical Identifiers

Medical identifiers for Stacy Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477188332NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health 903897 (Mississippi)Primary
363LF0000XNurse Practitioner - Family 903897 (Mississippi)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Covington County Hospital CahCollins, MSHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medical Systems Management, Llc509296464349

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. Stacy Williams allows following entities to bill medicare on her behalf.
Entity NameMedical Systems Management, LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740555267
PECOS PAC ID: 5092964643
Enrollment ID: O20131024001113
Entity NameInsight Behavioral Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295553204
PECOS PAC ID: 0143732800
Enrollment ID: O20250626002619

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. Stacy 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
Stacy Williams, PMHNP-BC, NP-C
40 Bey Lea Rd Ste C101,
Toms River, NJ 08753-2900

Ph: (228) 549-1019		Stacy Williams, PMHNP-BC, NP-C
501 Krebs Ave Ste C,
Pascagoula, MS 39567-3123

Ph: (228) 549-1019

Reviews and Comments


Nurse Practitioner Nurses in Pascagoula, MS

Mrs. Leslie Estes Shavers, FNP
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Mrs. Gina Marie Guillotte, NP
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Practice Location: 2809 Denny Ave, Pascagoula, MS 39581
Phone: 228-809-5251    Fax: 228-809-5255
Jennifer Hurley,
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Practice Location: 2809n Denny Ave, Pascagoula, MS 39581
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Andrikia Chanese Williams, NP
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Phone: 228-762-3466    Fax: 228-762-6349
Tiffany Dennis, APRN, PMHNP
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Medicare: Accepting Medicare Assignments
Practice Location: 4211 Hospital St, Pascagoula, MS 39581
Phone: 228-283-4140    Fax: 228-769-1079
Mrs. Ashley N Hilsabeck, CRNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 2819 Denny Ave, Pascagoula, MS 39581
Phone: 228-762-3466    Fax: 228-762-6349

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.