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

Margaret Marie Hennessey, FNP

Individual provider Family Nurse Practitioner · NPI 1225328248

Margaret Marie Hennessey, FNP is a Nurse Practitioner in Olympia, Washington. Qualified in 2009, 17 years ago. Practices with Capital Medical Center Physicians LLC, a 59-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
17
Licensed in
WA
In the registry since
2011
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

404 Yauger Way SW Ste 100
Olympia, WA 98502-8152
Phone: (564) 669-5150
Fax: (564) 669-5155
Show map & directions

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

Additional practice locations (1)

  • 1740 Cooks Hill Rd, Centralia, WA 98531-9071 — (360) 736-7623

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence AP60127191 (WA)

Record details

NPI number1225328248
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedApril 11, 2011
Last updated in NPPESDecember 12, 2024
Certification dateDecember 12, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Capital Medical Center Physicians Llc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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