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

Joseph C Pfeifer

Individual provider Critical Care Medicine Registered Nurse · NPI 1235935206

Joseph C Pfeifer is a Nurse Practitioner in Seattle, Washington. Qualified in 2025, 1 year ago. Practices as a sole proprietor. Licensed in Washington.

Years since qualifying
1
Licensed in
WA
In the registry since
2025
Specialties on file
2

Practice location Address checks out

1100 9th Ave
Seattle, WA 98101-2756
Phone: (206) 624-1144
Show map & directions

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

Specialties & licences

Critical Care Medicine Nurse Practitioner (primary) Taxonomy 363LC0200X · Licence AP70032474 (WA)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence RN61328495 (WA)

Record details

NPI number1235935206
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 20, 2025
Last updated in NPPESJuly 30, 2025
Certification dateJuly 30, 2025
Mailing address1100 9th Ave, Seattle, WA 98101-2756

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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