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

MS. Mary Ann Offenheiser, CNS

Individual provider Psychiatric/Mental Health Clinical Nurse Specialist · NPI 1053406025

MS. Mary Ann Offenheiser, CNS is a Psychiatric/Mental Health Clinical Nurse Specialist in San Juan Capistrano, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

See every abbreviation used in this directory →

Practice location Address checks out

30240 Rancho Viejo Rd Ste C1
San Juan Capistrano, CA 92675-1515
Phone: (949) 374-9245
Fax: (949) 751-2432
Show map & directions

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

Additional practice locations (1)

  • 6 Entorno St, Rancho Mission Viejo, CA 92694-1374 — (949) 374-9245

Specialties & licences

Psychiatric/Mental Health Clinical Nurse Specialist (primary) Taxonomy 364SP0808X · Licence 2458 (CA)

Record details

NPI number1053406025
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNS
Sole proprietorYes
NPI enumeratedOctober 4, 2006
Last updated in NPPESOctober 31, 2019

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