David G Gross DO, PC

Primary specialty

OptometristTaxonomy code 152W00000X

Legal business name

DAVID G GROSS DO, PC

Practice address

303 W 89TH Ave
Suite E4
Merrillville, IN 46410-6294

Phone

(219) 769-8989

Fax

(219) 756-6389

NPI assigned

Mar 13, 2007

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

David G Gross, D.O.NPI 1346373313

Title

Owner

Phone

(219) 769-8989

Specialties & licenses 2

Addresses

Other identifiers 1

Other names 1

• Deen-Gross Eye Centers Doing business as

Medicare fee-for-service enrollment

Enrolled in IN2 enrollments

Enrollment records 2

Tax ID family

David G Gross DO PC3 organizations share this tax ID, including this one

Other organizations with this tax ID 2

Organizations that report the same tax identification number in the National Provider Directory.

• David G. Gross, D.O., P.C.

  • Ophthalmology Physician
  • Merrillville, IN
  • NPI 1205156965
  NPD tax ID
• David G. Gross, D.O., P.C.

  • Ophthalmology Physician
  • Hobart, IN
  • NPI 1265752927
  NPD tax ID

Locations

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• David G. Gross, D.O.

  • Ophthalmology Physician
  • Merrillville, IN
  • NPI 1346373313
  Medicare reassignment Care Compare group NPD Authorized official
• Jeffrey Lynn Nelson, MD

  • Ophthalmology Physician
  • Merrillville, IN
  • NPI 1235459132
  Medicare reassignment Care Compare group NPD
• Jamie Taffora, OD

  • Optometrist
  • Merrillville, IN
  • NPI 1144238890
  Medicare reassignment Care Compare group NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1173744000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1073646089",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "303 W 89TH AVE",
            "address_2": "SUITE E4",
            "city": "MERRILLVILLE",
            "state": "IN",
            "postal_code": "464106294",
            "telephone_number": "219-769-8989",
            "fax_number": "219-756-6389"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "303 W 89TH AVE",
            "address_2": "SUITE E4",
            "city": "MERRILLVILLE",
            "state": "IN",
            "postal_code": "464106294",
            "telephone_number": "219-769-8989",
            "fax_number": "219-756-6389"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DAVID G GROSS DO, PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-03-13",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "GROSS",
        "authorized_official_first_name": "DAVID",
        "authorized_official_middle_name": "G",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "219-769-8989",
        "authorized_official_credential": "D.O."
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Optometrist",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Ophthalmology",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000105018",
            "state": "IN"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Deen-Gross Eye Centers",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• John R. Danielson, M.D.
• Alexandra Renee Dann, DMD
• Amy Noel Danno, RBT
• Kristy Darnell, RN,MSN, FNP-BC, CNRN
• Vijay Dave, MD
• David G. Gross, D.O., P.C.
• David G. Gross, D.O., P.C.
• David G. Gross, DO, PC
• Shania Renee Davila, RBT
• Isabelle Davis

• Optometrist in Merrillville, IN
• Providers in Merrillville, IN by specialty
• Optometrist in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.