David G Gross DO, PC
NPI 1073646089 · Optometrist · Merrillville, IN
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David G Gross DO, PC is a Optometrist organization in Merrillville, IN (NPI 1073646089).
Provider details
- NPI number
- 1073646089
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- David Gross, Owner(219) 769-8989
Specialties & taxonomies
Eye and Vision Services Providers
- Ophthalmology Physician207W00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Deen-Gross Eye Centers
Registry dates
- Enumerated
- 2007-03-13
- Last updated
- 2025-09-11
Frequently asked questions
- What is David G Gross DO, PC's NPI number?
- David G Gross DO, PC's National Provider Identifier (NPI) is 1073646089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is David G Gross DO, PC?
- David G Gross DO, PC is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is David G Gross DO, PC located?
- David G Gross DO, PC's practice location on file with NPPES is 303 W 89th Ave, Merrillville, IN 46410-6294.
- What is David G Gross DO, PC's phone number?
- The practice phone number listed in the NPPES registry for David G Gross DO, PC is (219) 769-8989.
- Does David G Gross DO, PC accept Medicare?
- David G Gross DO, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for David G Gross DO, PC?
- The authorized official listed on David G Gross DO, PC's NPPES record is David Gross, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is David G Gross DO, PC's NPI active?
- Yes — David G Gross DO, PC's NPI (1073646089) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.