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

Mr. Mark Leone, LICSW

Individual provider Social Worker · NPI 1164914388

Mr. Mark Leone, LICSW is a Clinical Social Worker in Boston, Massachusetts. Qualified in 2015, 11 years ago. Practices with Lahey Clinic Inc, a 1,372-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
11
Licensed in
MA
In the registry since
2018
Specialties on file
2
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

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Practice location Address checks out

55 Fruit St Ste YAWKEY9E
Boston, MA 02114-2696
Phone: (617) 643-6438
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 120604 (MA)
Social Worker Taxonomy 104100000X · Licence 120604 (MA)

Record details

NPI number1164914388
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorNo
NPI enumeratedJune 4, 2018
Last updated in NPPESSeptember 2, 2021
Certification dateSeptember 2, 2021
Mailing address41 Mall Rd, Burlington, MA 01805-0001

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Lahey Clinic Inc — 1372 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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