npidata.org
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbyPhysician 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 Specialties States API

Search › California › Clinical Social Worker

Kathryn Blackthorn, MSW, LCSW

NPI 1922492347 · on the registry since 2015 · sole proprietor

Practice

Address
Po Box 1362
El Dorado, CA 95623
Phone
(916) 500-4188

Registry record

Primary taxonomy
Clinical Social Worker
1041C0700X
Licence states on file
CA
From the registry's licence fields, which are often incomplete.
Sex
Female
Record last updated
2026-02-26

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 California