DR. LLOYD BERTHOLD WILLIAMS M.D., PH.D.
NPI 1730333741
Ophthalmology - Cornea and External Diseases Specialist in Durham, NC

Active since November 05, 2008PECOS EnrolledAccepts Medicare Assignment
2351 ERWIN ROAD, DURHAM, NC 27710(919) 684-0415 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Lloyd Berthold Williams M.d., Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LLOYD BERTHOLD WILLIAMS M.D., PH.D. (NPI 1730333741) is an individual cornea and external diseases specialist in Durham, North Carolina, licensed in North Carolina (2019-01645) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Tufts University School Of Medicine (2008).

NPPES Registry Identity

NPI1730333741
Entity TypeIndividualMale
Primary Taxonomy207WX0120X
Provider Legal NameDR. LLOYD BERTHOLD WILLIAMSCredential: M.D., PH.D.
Location Address2351 ERWIN ROADDurham, NC 27710-0005
Mailing Address2351 Erwin RdDurham, NC 27705-4699 · (919) 684-0415
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2008
Enumeration DateNovember 5, 2008
Last NPPES UpdateAugust 1, 2025
NPPES CertifiedAugust 1, 2025
NPI 1730333741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmology · Cornea and External Diseases SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0120X
License Licensed in NC · 2019-01645
Definition
An ophthalmologist who specializes in diseases of the cornea, sclera, eyelids, conjunctiva, and anterior segment of the eye.
2351 ERWIN ROAD, Durham, NC 27710

Other Identifiers 2

OtherU0593121University Of Utah
Medicaid056129100MD

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Lloyd Berthold Williams M.d., Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507012341
PECOS Enrollment IDI20191002003774
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
285 services184 patients
Measurement of corneal curvature and depth of eye 92136
This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.
265 services134 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
236 services228 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
150 services96 patients
Ct scan of cornea 92025
A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.
86 services72 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
43 services43 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Duke University Hospital

Acute Care Hospitals · Durham, NC
5/5 CMS rating
OwnershipProprietary
CMS Certification Number340030
Location2100 Erwin RdDurham, NC 27705 · Durham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27710 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
Established Patient
$67.72 typical visit price
range $17.21 – $134.61
Typical copayment $16.93 (range $4.30 – $33.65)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lloyd Williams's NPI number?

The NPI number for Lloyd Williams is 1730333741. It was assigned to this individual provider in the NPPES registry on November 5, 2008.

Where is Lloyd Williams located?

Lloyd Williams practices at 2351 Erwin Road, Durham, NC 27710. The listed phone number is (919) 684-0415.

What is Lloyd Williams's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Cornea and External Diseases Specialist, with taxonomy code 207WX0120X.

Is Lloyd Williams enrolled in Medicare?

Yes. Lloyd Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Lloyd Williams accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC list Lloyd Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Lloyd Williams affiliated with any hospitals?

According to CMS data, Lloyd Williams is affiliated with Duke University Hospital.

When was this NPI record last updated?

The NPPES record for Lloyd Williams was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.