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

Sean Terwilliger

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1700713641

Sean Terwilliger is an Addiction (Substance Use Disorder) Counselor in Grover Beach, California. Licensed in California. Registered with an NPI since 2026.

Licensed in
CA
In the registry since
2026

Practice location Address checks out

1523 Longbranch Ave
Grover Beach, CA 93433-2508
Phone: (805) 473-7006
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

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

Record details

NPI number1700713641
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 5, 2026
Last updated in NPPESMay 5, 2026
Certification dateMay 5, 2026
Mailing address110 Kern Ave, Morro Bay, CA 93442-2807

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