Individual provider Active NPI

Diem T. Nguyen, O.D.

  • Optometrist
  • Easley, SC
National Provider Identifier
1669554812
Registry record updated Sep 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
2301 Issued in SC
Practice address
220 S Pendleton St
Easley, SC 29640-3048
Phone
(864) 859-3233
Fax
(864) 850-4001
NPI assigned
Oct 19, 2006
Last updated
Sep 22, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 22, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Optometrist 152W00000X 0618-001238 VA
Optometrist 152W00000X 2301 SC Primary

Addresses

Primary practice location

220 S Pendleton St
Easley, SC 29640-3048

Mailing address

601 Halton Rd
Greenville, SC 29607-3403
Phone (864) 458-7956

Other practice location 1

601 Halton Rd
Greenville, SC 29607-3403
Phone (864) 458-7956

Other identifiers 2

IdentifierTypeStateIssuer
2301OtherSCSC LICENSE
D23017MedicaidSC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC
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.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220110000942 SC Practitioner - Optometry 8820016595 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Optometry
Education
New England College of Optometry, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Jervey Eye Group PAGroup PAC ID 2860397148, 20 clinicians

Practice addresses (Care Compare)

220 S Pendleton St
Easley, SC 29640-3048
Phone (864) 859-3233

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
0618-001238VAMDOptometrist
2301SCMDOccupational Therapy Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Jervey Eye Group, PA Optometrist Current Accepting new patients
Jervey Eye Group, PA Optometrist CurrentSince Apr 2, 2023 Accepting new patients
Jervey Eye Group, PA Optometrist CurrentSince Apr 2, 2023 Accepting new patients
Clemson Eye, PA Optometrist Past Accepting new patients

Locations

220 S Pendleton St
Easley, SC 29640
Phone (864) 859-3233

5 Stevens St
Ste 100
Greenville, SC 29605
Phone (864) 250-6487

601 Halton Rd
Greenville, SC 29607
Phone (864) 458-7956

1 Colony Centre Way
Simpsonville, SC 29681
Phone (864) 458-3900

Interoperability endpoints

  • Direct secure messaging: diem.nguyen.p2@direct.clemsoneye.nextgenshare.com

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1161216000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790035200000",
    "number": "1669554812",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 HALTON RD",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296073403",
            "telephone_number": "864-458-7956",
            "fax_number": "864-458-8390"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "220 S PENDLETON ST",
            "city": "EASLEY",
            "state": "SC",
            "postal_code": "296403048",
            "telephone_number": "864-859-3233",
            "fax_number": "864-850-4001"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "601 Halton Rd",
            "address_purpose": "LOCATION",
            "city": "Greenville",
            "state": "SC",
            "postal_code": "296073403",
            "country_code": "US",
            "telephone_number": "864-458-7956",
            "fax_number": "864-458-8390",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "DIEM",
        "middle_name": "T.",
        "credential": "O.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-19",
        "last_updated": "2026-09-22",
        "certification_date": "2026-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "VA",
            "license": "0618-001238",
            "primary": false
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "SC",
            "license": "2301",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SC LICENSE",
            "identifier": "2301",
            "state": "SC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "D23017",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Easley, SC

Sources for this page

Verify at the official NPI Registry.