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

Marco Arnoldo Williams, AA

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1306455274

Marco Arnoldo Williams, AA is an Addiction (Substance Use Disorder) Counselor in El Cajon, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2020

Practice location Address checks out

1400 N Johnson Ave Ste 101
El Cajon, CA 92020-1651
Phone: (760) 213-4591
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 (CA)

Record details

NPI number1306455274
Entity typeIndividual (Type 1)
GenderMale
Credentials AA
Sole proprietorYes
NPI enumeratedJuly 27, 2020
Last updated in NPPESJuly 27, 2020
Certification dateJuly 27, 2020
Mailing address1400 N Johnson Ave Ste 101, El Cajon, CA 92020-1651

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