Natalie Martha Grantner, MSW
Clinical Social Worker · Merrillville, IN
Natalie Martha Grantner, MSW is a clinical social worker with a practice address in Merrillville, Indiana, and NPI 1578607834, issued on Feb 19, 2007. Check the license (Indiana 34007382A, as entered in NPPES) with the Indiana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Natalie Martha Grantner
- Credential
- MSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 34007382A IN
Self-reported in NPPES; status is on the state search - Practice location
- 9111 Broadway Ste D, Merrillville, IN 46410
- Phone
- (219) 281-2335
- Enumerated
- Feb 19, 2007
- Record last updated
- Sep 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161209000438); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 5,650 in Indiana → Look up another NPI →
Verify Natalie Martha Grantner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 34007382ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Natalie Martha Grantner among 5,650 clinical social worker records in Indiana
Natalie Martha Grantner, MSW is one of 5,650 clinical social worker records with a practice address in Indiana. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 71% newer
- In a Medicare fileNo · 19% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated2009 · median 2012 among the 1,393 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
85 clinical social worker records list a practice address in Merrillville
They are 85 of the 1,972 NPPES records with a practice address in Merrillville, and 5,650 clinical social worker records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,650 in Indiana → Every provider in Merrillville → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Leigh Barnes, MSW, LCSWMerrillville, IN 464101760470694
- Natalie Bauer, L.C.S.W.Merrillville, IN 464101942301890
- Drew Brummell, LCSWMerrillville, IN 464101174565402
- Arma Johnson, LCSWMerrillville, IN 464101417975699
- Laura Moseng, HSPPMerrillville, IN 464101356333587
- Lauren Pellegrini-Hubster, LCSWMerrillville, IN 464101811924798
- Lauren Peterson, LCSWMerrillville, IN 464101891796827
- Cynthia Schiller, LCSW, ACSWMerrillville, IN 464101194760892
Common questions
What is Natalie Martha Grantner, MSW's NPI number?
Natalie Martha Grantner, MSW's National Provider Identifier (NPI) is 1578607834, issued on Feb 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Natalie Martha Grantner, MSW located?
The NPPES record lists a practice address at 9111 Broadway Ste D, Merrillville, IN, 46410. Phone: (219) 281-2335. Providers update this record themselves, so call before visiting.
How can I verify Natalie Martha Grantner, MSW's license?
NPPES lists Indiana license number 34007382A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.