Mrs Margie Ann Williams, PMHNP - Medicare Nurse Practitioner in Lacey, WA

Mrs Margie Ann Williams, PMHNP is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Lacey, Washington. Her current practice location is 4405 7th Ave Se Ste 200-0501, Lacey, Washington. You can reach out to her office (for appointments etc.) via phone at (253) 300-3303.

Mrs Margie Ann Williams is licensed to practice in Washington (license number AP-61370289) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1194461434.

Contact Information

Mrs Margie Ann Williams, PMHNP
4405 7th Ave Se Ste 200-0501,
Lacey, WA 98503-1062
(253) 300-3303
(253) 300-2030

Map and Direction




Provider's Profile

Full NameMrs Margie Ann Williams
GenderFemale
SpecialityNurse Practitioner - Psychiatric/mental Health
Location4405 7th Ave Se Ste 200-0501, Lacey, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1194461434
  • Provider Enumeration Date: 05/10/2022
  • Last Update Date: 05/15/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6709250640
  • Enrollment ID: I20230316001408

Medical Identifiers

Medical identifiers for Mrs Margie Ann Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194461434NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health APRN11020995 (Florida)Secondary
363LP0808XNurse Practitioner - Psychiatric/mental Health RN-61370274 (Washington)Secondary
363LP0808XNurse Practitioner - Psychiatric/mental Health AP-61370289 (Washington)Primary
363LP0808XNurse Practitioner - Psychiatric/mental Health RN9378900 (Florida)Secondary

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. Mrs Margie Ann Williams allows following entities to bill medicare on her behalf.
Entity NameElroi Mental Health Services Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821702481
PECOS PAC ID: 5890169734
Enrollment ID: O20230316001348

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. Mrs Margie Ann 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
Mrs Margie Ann Williams, PMHNP
7836 Riverview Ct Se,
Tumwater, WA 98501-6804

Ph: (773) 332-3848
Mrs Margie Ann Williams, PMHNP
4405 7th Ave Se Ste 200-0501,
Lacey, WA 98503-1062

Ph: (253) 300-3303

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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