npidata.org Sign in
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbySpecialtiesEvery NUCC taxonomy, with counts by state and cityStatesProvider counts and breakdowns for all 50 statesPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs API
About
About usTermsPrivacyContact us

Search › Washington › 374J00000X

Heide Kloss

NPI 1972456697 · on the registry since 2026 · sole proprietor

Practice

Address
747 Broadway
Seattle, WA 98122
Phone
(206) 739-8786
Organisation at this address
Cqhb Llc
Gregory D. Stewart
Credena Health Llc
Thomas S Yang Md Ps
Swedish Medical Center
Inferred from a shared address, not stated in the registry.
Clinicians at this address
561

Registry record

Primary taxonomy
374J00000X
374J00000X
Licence states on file
WA
From the registry's licence fields, which are often incomplete.
Sex
Female
Record last updated
2026-08-21

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Washington