Griffin Mason

Primary specialty

OptometristTaxonomy code 152W00000X

License

OPT.007469 Issued in OH

Practice address

535 Chestnut St
Coshocton, OH 43812-1210

Phone

(740) 622-2270

NPI assigned

Jul 14, 2025

Last updated

May 12, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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

• Dr David a Erwin and Associates Inc

  • Optometrist
  • Coshocton, OH
  • NPI 1598857062
  NPD

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

{
    "created_epoch": "1752451200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778544000000",
    "number": "1477444859",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "535 CHESTNUT ST",
            "city": "COSHOCTON",
            "state": "OH",
            "postal_code": "438121210"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "535 CHESTNUT ST",
            "city": "COSHOCTON",
            "state": "OH",
            "postal_code": "438121210",
            "telephone_number": "740-622-2270"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASON",
        "first_name": "GRIFFIN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-07-14",
        "last_updated": "2026-05-12",
        "certification_date": "2026-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "OH",
            "license": "OPT.007469",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Linda Joyce Magness, M.D.
• Thomas Book Magness, M.D.
• Monika Marino
• David C Marsh, LSW, LCDCIII
• John Kearns Marshall, PHARMACIST
• Krista Michele Mathews, RDN, LD
• Amy Suzanne Mathias
• Tiffany Mathias, LPN
• Nevaeh Renee Matthews
• Sheila Renay Mayse

• Optometrist in Coshocton, OH
• Providers in Coshocton, OH by specialty
• Optometrist in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.