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

Jacob George Messing, LCSW

Individual provider Clinical Social Worker · NPI 1487930954

Jacob George Messing, LCSW is a Clinical Social Worker in Merrillville, Indiana. Qualified in 1979, 47 years ago. Practices with Franciscan Physician Network, a 1,171-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
47
Licensed in
IN
In the registry since
2011
Specialties on file
2
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

8555 Taft St
Merrillville, IN 46410-6123
Phone: (219) 769-4005
Fax: (219) 769-2508
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 24 Joliet St, Dyer, IN 46311-1705 — (219) 322-5747
  • 720 45th St, Munster, IN 46321-2818 — (219) 852-2513

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 34003199A (IN)
Clinical Social Worker Taxonomy 1041C0700X · Licence 87001486A (IN)

Record details

NPI number1487930954
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedOctober 28, 2011
Last updated in NPPESJuly 27, 2023
Certification dateJuly 27, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Group practice Franciscan Physician Network — 1171 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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