Mrs Alyssa Susan Williams, PMHNP-BC - Medicare Nurse Practitioner in Leonardtown, MD

Mrs Alyssa Susan Williams, PMHNP-BC is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Leonardtown, Maryland. She graduated from nursing school in 2019 and has 5 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Sheppard Pratt Physicians Pa and her current practice location is 25500 Point Lookout Rd, Leonardtown, Maryland. You can reach out to her office (for appointments etc.) via phone at (301) 475-6227.

Mrs Alyssa Susan Williams is licensed to practice in Maryland (license number R215583) 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 1528601036.

Contact Information

Mrs Alyssa Susan Williams, PMHNP-BC
25500 Point Lookout Rd,
Leonardtown, MD 20650-2015
(301) 475-6227
(301) 475-6169

Map and Direction




Provider's Profile

Full NameMrs Alyssa Susan Williams
GenderFemale
SpecialityNurse Practitioner
Experience5 Years
Location25500 Point Lookout Rd, Leonardtown, Maryland
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:
  • Mrs Alyssa Susan Williams graduated from nursing school in 2019
  NPI Data:
  • NPI Number: 1528601036
  • Provider Enumeration Date: 10/28/2019
  • Last Update Date: 09/24/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 7113341348
  • Enrollment ID: I20200721003836

Medical Identifiers

Medical identifiers for Mrs Alyssa Susan Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528601036NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health R215583 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Calverthealth Medical CenterPrince frederick, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sheppard Pratt Physicians Pa8224937610107

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 Alyssa Susan Williams allows following entities to bill medicare on her behalf.
Entity NameSheppard Pratt Physicians Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518990712
PECOS PAC ID: 8224937610
Enrollment ID: O20040105000737
Entity NameAxis Healthcare Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326295098
PECOS PAC ID: 1254409550
Enrollment ID: O20120919000403

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 Alyssa Susan 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 Alyssa Susan Williams, PMHNP-BC
25500 Point Lookout Rd,
Leonardtown, MD 20650-2015

Ph: (301) 475-6227
Mrs Alyssa Susan Williams, PMHNP-BC
25500 Point Lookout Rd,
Leonardtown, MD 20650-2015

Ph: (301) 475-6227

Reviews and Comments


Nurse Practitioner Nurses in Leonardtown, MD

Lorenda Beth Smith, CRNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 25500 Point Lookout Rd, Leonardtown, MD 20650
Phone: 301-475-8981    
Valerie Adriani, NP-C
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 23000 Moakley St Ste 102, Leonardtown, MD 20650
Phone: 301-475-5555    
Andrea R Phillips, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 23140 Moakley St Ste 4, Leonardtown, MD 20650
Phone: 301-997-1029    Fax: 301-997-1489
Ms. Heather Renee Tennyson, CRNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 40900 Merchants Ln, Leonardtown, MD 20650
Phone: 301-690-2203    
Ms. Lorraine R. Diana, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 40900 Merchants Ln, Leonardtown, MD 20650
Phone: 301-997-1315    Fax: 301-997-1110
Meaghan L Lansley, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 21580 Peabody St, Leonardtown, MD 20650
Phone: 301-475-4330    
Kimberly Ann Cook, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 41680 Miss Bessie Dr Ste 102, Leonardtown, MD 20650
Phone: 301-997-1788    Fax: 301-997-1790

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.