David G. Gross, Do, PC in Merrillville, IN
This location of David G Gross Do bills under NPI 1295868016, an organization record issued on Mar 13, 2007 with the primary taxonomy Eyewear Supplier. It is one of 2 NPIs registered under this name and one of 2 in Merrillville; each clinician who sees you there has their own NPI and license.
- Legal name
- David G. Gross, Do, PC
- Entity
- Type 2 · organization
- Primary taxonomy
- Eyewear Supplier 332H00000X
- Practice location
- 303 W 89TH AVE SUITE E4, Merrillville, IN 46410
- Phone
- 219-769-8989
- Enumerated
- Mar 13, 2007
- Record updated
- Aug 22, 2020
- Authorized official
- Owner (title as filed)
The other Merrillville NPI
- David G Gross Do, PC303 W 89TH AVE SUITE E4 · issued Mar 13, 20071073646089
2 clinicians CMS lists with David G Gross Do in Merrillville
- David Gross, DOOphthalmology Physician1346373313
- Jamie Taffora, ODOptometrist1144238890
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the Indiana secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Which Merrillville NPI should I use?
Ask the office which NPI it bills under; all 2 Merrillville NPIs are registered under the same name.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.