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

Mr. Mark L. Brown, LCSW

Individual provider Clinical Social Worker · NPI 1366650475

Mr. Mark L. Brown, LCSW is a Clinical Social Worker in Northfield, Illinois. Qualified in 1991, 35 years ago. Practices with B and B Spaulding LLC, a 4-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
35
Licensed in
IL
In the registry since
2007
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

466 Central Ave Ste 44
Northfield, IL 60093-3041
Phone: (847) 414-5425
Fax: (847) 433-1822
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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 (IL)

Record details

NPI number1366650475
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMay 21, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice B And B Spaulding Llc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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