James R Byars Jr., OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

104T Issued in WY

Practice address

2001 Dewar Dr
Suite 160
Rock Springs, WY 82901-5773

Phone

(307) 362-2020

Fax

(307) 362-2699

NPI assigned

Dec 29, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Optique 20 20, Inc

  • Durable Medical Equipment & Medical Supplies
  • Rock Springs, WY
  • NPI 1609946862
  NPD (past) Authorized official
• Optique 20/20, Inc-Green River

  • Eyewear Supplier
  • Green River, WY
  • NPI 1225075039
  NPD (past)

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

{
    "created_epoch": "1135814400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1295712255",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 399",
            "city": "ROCK SPRINGS",
            "state": "WY",
            "postal_code": "829020399",
            "telephone_number": "307-362-2020"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2001 DEWAR DR",
            "address_2": "SUITE 160",
            "city": "ROCK SPRINGS",
            "state": "WY",
            "postal_code": "829015773",
            "telephone_number": "307-362-2020",
            "fax_number": "307-362-2699"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BYARS",
        "first_name": "JAMES",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-29",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "WY",
            "license": "104T",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Shannon Bullard
• Nicole Catherine Burke, RN
• Howard WM Burns, M.D.
• Susan Kay Burnside, P.T.
• Jamie Elyse Busenbark, LCSW
• Cindi B Cain, RN
• Rita Joan Calzada, PCSW
• Carolyn H Canestrini, R.PH.
• Richard P Canestrini, O.D.
• Larry James Carlson, PH.D

• All providers in Rock Springs, WY
• Optometrist in Wyoming

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.