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

Marcus Crosby

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1093271223

Marcus Crosby is an Addiction (Substance Use Disorder) Counselor in Gretna, Louisiana. Practices as a sole proprietor. Registered with an NPI since 2019.

In the registry since
2019

Practice location Address checks out

1141 Whitney Ave
Gretna, LA 70056-5011
Phone: (504) 347-1120
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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

Record details

NPI number1093271223
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 12, 2019
Last updated in NPPESFebruary 12, 2019
Mailing address2621 Crestwood Rd, Marrero, LA 70072-5817

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