Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Mrs. Alexandra Guttmann Walker, MSN, PMHNP-BC, CRNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1336442151

Mrs. Alexandra Guttmann Walker, MSN, PMHNP-BC, CRNP is a Psychiatric/Mental Health Nurse Practitioner in Bethesda, Maryland. Practices as a sole proprietor. Licensed in District of Columbia and Maryland.

Licensed in
DC, MD
In the registry since
2010
Specialties on file
2
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

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Practice location Address checks out

8008 Westover Rd
Bethesda, MD 20814-1147
Phone: (301) 646-5748
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence R216406 (MD)
Registered Nurse Taxonomy 163W00000X · Licence RN1038374 (DC)

Record details

NPI number1336442151
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , PMHNP-BC , CRNP
Sole proprietorYes
NPI enumeratedDecember 16, 2010
Last updated in NPPESSeptember 30, 2026
Certification dateSeptember 30, 2026

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