Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Alyssa Susan Williams, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1528601036

Mrs. Alyssa Susan Williams, PMHNP-BC is a Nurse Practitioner in Leonardtown, Maryland. Qualified in 2019, 7 years ago. Practices with Sheppard Pratt Physicians PA, a 72-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
7
Licensed in
MD
In the registry since
2019
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

25500 Point Lookout Rd
Leonardtown, MD 20650-2015
Phone: (301) 475-6227
Fax: (301) 475-6169
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence R215583 (MD)

Record details

NPI number1528601036
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC
Sole proprietorNo
NPI enumeratedOctober 28, 2019
Last updated in NPPESSeptember 24, 2020
Certification dateSeptember 24, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Sheppard Pratt Physicians Pa — 72 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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