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

Mr. Mark Olshansky, BSW

Individual provider Mental Health Counselor · NPI 1851857411

Mr. Mark Olshansky, BSW is a Mental Health Counselor in Key Largo, Florida. Registered with an NPI since 2019.

In the registry since
2019

Practice location Address checks out

99198 Overseas Hwy Ste 3
Key Largo, FL 33037-2437
Phone: (305) 434-7660
Fax: (305) 451-8019
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1851857411
Entity typeIndividual (Type 1)
GenderMale
Credentials BSW
Sole proprietorNo
NPI enumeratedFebruary 19, 2019
Last updated in NPPESFebruary 19, 2019
Mailing address99198 Overseas Hwy Ste 3, Key Largo, FL 33037-2437

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