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

Mrs. Natalie Martha Grantner, MSW

Individual provider Counselor · NPI 1578607834

Mrs. Natalie Martha Grantner, MSW is a Clinical Social Worker in Merrillville, Indiana. Qualified in 2009, 17 years ago. Practices as a sole proprietor, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Indiana.

Years since qualifying
17
Licensed in
IN
In the registry since
2007
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

9111 Broadway Ste D
Merrillville, IN 46410-7092
Phone: (219) 281-2335
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 158 North Main Street, Crown Point, IN 46307 — (219) 663-0888

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 34007382A (IN)
Counselor Taxonomy 101Y00000X

Record details

NPI number1578607834
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedFebruary 19, 2007
Last updated in NPPESSeptember 3, 2019

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Merrillville