Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Johanna Mae Portinga, LSWAIC, MSW, CDPT
Counselor in Seattle, WA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1447761564
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Registry record
Entity type Individual (Type 1)
Name Johanna Mae Portinga
Credential LSWAIC, MSW, CDPT
Sex Female
Practice address 1902 2nd Ave Ste 208, Seattle, WA, 98101
Phone (206) 735-8738
Fax (206) 448-8495
Enumeration date Oct 16, 2017
Last updated in NPPES Mar 11, 2019
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Johanna Portinga?
The National Provider Identifier (NPI) for Johanna Portinga is 1447761564, a Type 1 (individual) record in the CMS NPPES registry.
Where does Johanna Portinga practice?
The practice location on file with NPPES is in Seattle, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Brandy Rivera Clinical Social Worker · Seattle, WA NPI 1184064412 Amy Postel Mental Health Counselor · Seattle, WA NPI 1073955464 Lisa Bowie Social Worker · Seattle, WA NPI 1871989970 Rachel Baran Case Manager/Care Coordinator · Seattle, WA NPI 1003339854 Allyson Mcdonough Mental Health Counselor · Seattle, WA NPI 1114445269 Natasha Jenkins Peer Specialist · Seattle, WA NPI 1982122057 Paul Kelly Clinical Social Worker · Seattle, WA NPI 1184143000 Fardowsa Ahmed Case Manager/Care Coordinator · Seattle, WA NPI 1184116733
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-03-11.