Heather Grinder, H.I.S.
Hearing Instrument Specialist · Merrillville, IN
Heather Grinder, H.I.S. is a hearing instrument specialist with a practice address in Merrillville, Indiana, and NPI 1659858439, issued on Jul 24, 2018. Check the license (Indiana 17001478A, 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
- Heather Grinder
- Credential
- H.I.S.
- Primary taxonomy
- Hearing Instrument Specialist 237700000X
- License number
- 17001478A IN
Self-reported in NPPES; status is on the state search - Practice location
- 9120 Connecticut Dr., Merrillville, IN 46410
- Phone
- (219) 769-1222
- Enumerated
- Jul 24, 2018
- Record last updated
- Jul 24, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest hearing instrument specialist records → All 278 in Indiana → Look up another NPI →
Verify Heather Grinder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 17001478ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Heather Grinder among 278 hearing instrument specialist records in Indiana
Heather Grinder, H.I.S. is one of 278 hearing instrument specialist records with a practice address in Indiana. 0% 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 2018, is newer than 53% of them.
- NPI issued2018 · 53% of these records are older, 34% newer
- In a Medicare fileNo · 0% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2018 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 237700000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hearing Instrument Specialist providers in Indiana
There are 278 hearing instrument specialist records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 278 in Indiana → Every provider in Merrillville → Hearing Instrument Specialist nationwide →
The 8 hearing instrument specialist records with the nearest ZIP codes
- Josh AsbillMerrillville, IN 464101780097923
- David FrazierMerrillville, IN 464101174090443
- Shelby Gaither, HADMerrillville, IN 464101396476313
- Madison KarreMerrillville, IN 464101285481127
- Michael Lindsey, H.A.DMerrillville, IN 464101972736213
- Kassandra Poplawski, HISMerrillville, IN 464101245642958
- Gabriella RaberMerrillville, IN 464101831614254
- Theresa Seles, HISMerrillville, IN 464101013723915
Common questions
What is Heather Grinder, H.I.S.'s NPI number?
Heather Grinder, H.I.S.'s National Provider Identifier (NPI) is 1659858439, issued on Jul 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Heather Grinder, H.I.S. located?
The NPPES record lists a practice address at 9120 Connecticut Dr., Merrillville, IN, 46410. Phone: (219) 769-1222. Providers update this record themselves, so call before visiting.
How can I verify Heather Grinder, H.I.S.'s license?
NPPES lists Indiana license number 17001478A, 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.