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

John Alexander

Individual provider Social Worker · NPI 1598977647

John Alexander is a Clinical Social Worker in Tustin, California. Qualified in 2005, 21 years ago. Practices with Sud Specialty Group - Ca, a 499-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
21
Licensed in
CA
In the registry since
2007
Specialties on file
2

Practice location Address checks out

17542 17th St
Tustin, CA 92780-1959
Phone: (949) 214-9822
Fax: (949) 214-9822
Show map & directions

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

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X
Social Worker Taxonomy 104100000X · Licence 74900 (CA)

Record details

NPI number1598977647
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMay 3, 2007
Last updated in NPPESMay 13, 2024
Certification dateMay 13, 2024

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Sud Specialty Group - Ca — 499 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Tustin