ROBERT LAYTON WILLIAMS MD
NPI 1629044094
Pathology - Anatomic Pathology & Clinical Pathology in Aiken, SC

Active since February 27, 2006PECOS EnrolledAccepts Medicare Assignment
302 UNIVERSITY PKWY, AIKEN REGIONAL MEDICAL CENTERS, AIKEN, SC 29801(803) 641-5171(803) 641-5140 Get Directions Write a Review

NPPES record last updated: March 31, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 31, 2025, Nov 9, 2015 (2 updates tracked since 2015).

About Robert Layton Williams Md NPPES

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

ROBERT LAYTON WILLIAMS MD (NPI 1629044094) is an individual anatomic pathology & clinical pathology provider in Aiken, South Carolina, licensed in South Carolina (30460) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Au Medical Center, and is a graduate of University Of Florida College Of Medicine (1991).

NPPES Registry Identity

NPI1629044094
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameROBERT LAYTON WILLIAMSCredential: MD
Location Address302 UNIVERSITY PKWY, AIKEN REGIONAL MEDICAL CENTERSAiken, SC 29801-1117
Mailing AddressPo Box 23321New York, NY 10087
Fax(803) 641-5140
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 1991
Enumeration DateFebruary 27, 2006
Last NPPES UpdateMarch 31, 20252 updates tracked since enumeration
NPPES CertifiedMarch 27, 2025
NPI 1629044094 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses Licensed in SC · 30460 Licensed in FL · ME0078980 Licensed in SC · TL30460
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
302 UNIVERSITY PKWY, Aiken, SC 29801

Other Identifiers 3

Other30460SC · South Carolina Medical License Permanent
OtherTL30460SC · South Carolina Medical License Temporary
Medicaid304600SC

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

Robert Layton Williams Md 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 ID8729160874
PECOS Enrollment IDI20080128000659
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 13

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
486 services324 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
368 services64 patients
Cell examination of specimen, selective cellular enhancement technique 88112
Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.
173 services139 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
110 services89 patients
Pathology examination of tissue using a microscope, limited examination 88300
A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.
95 services82 patients
Pathology examination of tissue using a microscope, moderately low complexity 88304
A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.
91 services85 patients

Hospital Affiliations CMS Care Compare 2

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

Au Medical Center

Acute Care Hospitals · Augusta, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110034
Location1120 15th StreetAugusta, GA 30912 · Richmond County
Emergency services Birthing friendly

Aiken Regional Medical Center

Acute Care Hospitals · Aiken, SC
2/5 CMS rating
OwnershipProprietary
CMS Certification Number420082
Location302 University ParkwayAiken, SC 29801 · Aiken County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29801 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
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
302 UNIVERSITY PKWY
AIKEN, SC 29801
Student in an Organized Health Care Education/Training Program
302 UNIVERSITY PKWY
AIKEN, SC 29801
Nurse Anesthetist, Certified Registered
302 UNIVERSITY PKWY
AIKEN, SC 29801
Student in an Organized Health Care Education/Training Program
302 UNIVERSITY PKWY
AIKEN, SC 29801
Nurse Anesthetist, Certified Registered
302 UNIVERSITY PKWY
AIKEN, SC 29801
Psychiatry & Neurology (Neurology)
302 UNIVERSITY PKWY
AIKEN, SC 29801
Emergency Medicine
302 UNIVERSITY PKWY
AIKEN, SC 29801
Student in an Organized Health Care Education/Training Program
302 UNIVERSITY PKWY
AIKEN, SC 29801

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 Robert Williams's NPI number?

The NPI number for Robert Williams is 1629044094. It was assigned to this individual provider in the NPPES registry on February 27, 2006.

Where is Robert Williams located?

Robert Williams practices at 302 University Pkwy Aiken Regional Medical Centers, Aiken, SC 29801. The listed phone number is (803) 641-5171.

What is Robert Williams's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Robert Williams enrolled in Medicare?

Yes. Robert 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 Robert Williams accept?

Health plans from Molina Healthcare list Robert 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 Robert Williams affiliated with any hospitals?

According to CMS data, Robert Williams is affiliated with Au Medical Center and Aiken Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Robert Williams was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.