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

Erin Ellen Ahern, CAS

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1043420128

Erin Ellen Ahern, CAS is an Addiction (Substance Use Disorder) Counselor in Petaluma, California. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

1355 Industrial Ave
Petaluma, CA 94952-6500
Phone: (707) 776-4670
Fax: (707) 544-9011
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1043420128
Entity typeIndividual (Type 1)
GenderFemale
Credentials CAS
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESJuly 8, 2007
Mailing address2403 Professional Dr, Suite 101, Santa Rosa, CA 95403-3007

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