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

Mercedes Maria Serafini

Individual provider Clinical Social Worker · NPI 1346579992

Mercedes Maria Serafini is a Clinical Social Worker in Long Beach, California. Qualified in 2003, 23 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Licensed in
CA
In the registry since
2009
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5150 E Pch Ste 100
Long Beach, CA 90804-3394
Phone: (562) 490-7600
Fax: (562) 490-7601
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS26546 (CA)

Record details

NPI number1346579992
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedDecember 10, 2009
Last updated in NPPESDecember 10, 2021
Certification dateDecember 10, 2021

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Long Beach