Individual provider Active NPI

Lloyd Berthold Williams, M.D., PH.D.

  • Cornea and External Diseases Specialist Physician
  • Durham, NC
National Provider Identifier
1730333741
Registry record updated Aug 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cornea and External Diseases Specialist PhysicianTaxonomy code 207WX0120X
License
2019-01645 Issued in NC
Practice address
2351 Erwin Road
Durham, NC 27710-0005
Phone
(919) 684-0415
NPI assigned
Nov 5, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 1, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cornea and External Diseases Specialist Physician 207WX0120X 2019-01645 NC Primary

Addresses

Primary practice location

2351 Erwin Road
Durham, NC 27710-0005

Mailing address

2351 Erwin Rd
Durham, NC 27705-4699
Phone (919) 684-0415

Other identifiers 2

IdentifierTypeStateIssuer
U0593121OtherUNIVERSITY OF UTAH
056129100MedicaidMD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NC
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20191002003774 NC Practitioner - Ophthalmology 6507012341 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Tufts University School of Medicine, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Duke Health Integrated Practice IncGroup PAC ID 8325412737, 3,140 clinicians

Practice addresses (Care Compare)

2301 Erwin Rd
Durham, NC 27705-4699
Phone (919) 684-8111

2351 Erwin Rd
Durham, NC 27705-4699
Phone (919) 684-8111

40 Duke Medicine Cir
Durham, NC 27710-4000
Phone (919) 684-8111

5601 Arringdon Park Dr
Morrisville, NC 27560-5676
Phone (919) 684-8111

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery236

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine, Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
2019-01645NCMDCornea and External Diseases Specialist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Duke Health Integrated Practice, Inc. CurrentSince Jul 1, 2023 Accepting new patients
Standard Optical Co Past Accepting new patients
Standard Optical Co PastSince Aug 6, 2013 Accepting new patients
Standard Optical Co Past Accepting new patients
Standard Optical Co Ophthalmology Past Accepting new patients
Standard Optical Co Past Accepting new patients
Standard Optical Co Past Accepting new patients

Locations

40 Duke Medicine Cir
Durham, NC 27710
Phone (919) 681-6588

2100 Erwin Rd
Durham, NC 27705
Phone (919) 648-8111

2351 Erwin Rd
Durham, NC 27705
Phone (919) 282-0053

401 Irving Pkwy
Ste 110
Holly Springs, NC 27540
Phone (919) 385-3022

401 Irving Pkwy
Ste 310
Holly Springs, NC 27540
Phone (919) 385-3800

5601 Arringdon Park Dr
Morrisville, NC 27560
Phone (888) 275-3853

Interoperability endpoints

  • Direct secure messaging: lwilliams436540@direct.medicine.duke.edu

Organizations & group practices 7

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.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1225843200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754006400000",
    "number": "1730333741",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2351 ERWIN RD",
            "city": "DURHAM",
            "state": "NC",
            "postal_code": "277054699",
            "telephone_number": "919-684-0415"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2351 ERWIN ROAD",
            "city": "DURHAM",
            "state": "NC",
            "postal_code": "277100005",
            "telephone_number": "919-684-0415"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "LLOYD",
        "middle_name": "BERTHOLD",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-11-05",
        "last_updated": "2025-08-01",
        "certification_date": "2025-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207WX0120X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Cornea and External Diseases Specialist",
            "state": "NC",
            "license": "2019-01645",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNIVERSITY OF UTAH",
            "identifier": "U0593121",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "056129100",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Durham, NC

Sources for this page

Verify at the official NPI Registry.