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

Mark Costanzo, MSW

Individual provider School Social Worker · NPI 1275361024

Mark Costanzo, MSW is a School Social Worker in Denver, Colorado. Practices as a sole proprietor. Licensed in Colorado.

Licensed in
CO
In the registry since
2024
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Partly verified

Some contact details are missing from the federal record.

951 20th St Ste 1201
Denver, CO 80201-2510
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

School Social Worker (primary) Taxonomy 1041S0200X · Licence LSW.0009925410 (CO)
School Social Worker Taxonomy 1041S0200X

Record details

NPI number1275361024
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorYes
NPI enumeratedJuly 23, 2024
Last updated in NPPESJuly 31, 2024
Certification dateJuly 31, 2024
Mailing addressPo Box 752123, Houston, TX 77275-2123

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