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DR. ROBERT EARL WILLIAMS JR. M.D.
NPI 1184651200
Pediatrics - Pediatric Gastroenterology in Wilmington, NC

Active since June 26, 2006PECOS Enrolled
2131 S 17TH ST, WILMINGTON, NC 28401(910) 772-9202(910) 772-9452 Get Directions Write a Review

NPPES record last updated: June 28, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Robert Earl Williams Jr. M.d. NPPES

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

DR. ROBERT EARL WILLIAMS JR. M.D. (NPI 1184651200) is an individual pediatric gastroenterology provider in Wilmington, North Carolina, licensed in North Carolina (201201191) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184651200
Entity TypeIndividualMale
Primary Taxonomy2080P0206X
Provider Legal NameDR. ROBERT EARL WILLIAMS JR.Credential: M.D.
Location Address2131 S 17TH STWilmington, NC 28401-7407
Mailing Address2131 S 17th StWilmington, NC 28401-7407 · (910) 772-9202 · Fax (910) 772-9452
Phone(910) 772-9202
Fax(910) 772-9452
Sole ProprietorNo
Enumeration DateJune 26, 2006
Last NPPES UpdateJune 28, 2012
✔ NPI 1184651200 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in NC · 201201191
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
2131 S 17TH ST, Wilmington, NC 28401
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert Earl Williams Jr. M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Robert Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Novant Health Medical Group Coastal Region, LLC
Same address
Internal Medicine
2131 S 17TH ST
Wilmington, NC 28401
  • Reassigned Medicare billing, North Carolina enrollment
  • 710 clinicians in this Medicare group
NPI 1033799556 (910) 662-9300
University Of North Carolina At Chapel Hill
118 mi
Family Medicine
401 E WHITAKER MILL RD STE 2100
Raleigh, NC 27608
  • Reassigned Medicare billing, North Carolina enrollment
  • 2,797 clinicians in this Medicare group
NPI 1972912285 (984) 974-4832

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28401 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
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
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.

NEW HANOVER REGIONAL MEDICAL CENTER
Rehabilitation Hospital
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 343-7000
CAROLYN JONES
Nurse Practitioner (Neonatal, Critical Care)
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 667-2970
CHRISTIAN SANCHEZ M.D.
Hospitalist
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 667-7000
KATHRYN GENCIE NEWELL DO
Family Medicine
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 343-7000
NICOLE BRITT RN
Registered Nurse (Critical Care Medicine)
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 343-7000
LI NICHOLS MD
Hospitalist
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 667-7000
JAMES ADGENT MD
Hospitalist
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 667-7000
NANNETTE B MARTIN NP
Nurse Practitioner
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 772-9202

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 1184651200. It was assigned to this individual provider in the NPPES registry on June 26, 2006.

Where is Robert Williams located?

Robert Williams practices at 2131 S 17th St, Wilmington, NC 28401. The listed phone number is (910) 772-9202.

What is Robert Williams's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Robert Williams enrolled in Medicare?

Yes. Robert Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Williams reassigns Medicare benefits to 2 organizations: Novant Health Medical Group Coastal Region, LLC (Wilmington, NC) and University Of North Carolina At Chapel Hill (Raleigh, NC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Williams accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee, Cigna Healthcare and UnitedHealthcare 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.

When was this NPI record last updated?

The NPPES record for Robert Williams was last updated on June 28, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.