DR. ROBERT MACK WILLIAMS DMD
NPI 1376839431
Dentist - General Practice in Ocean Springs, MS

Active since June 27, 2011PECOS Enrolled
6819 WASHINGTON AVE STE C, OCEAN SPRINGS, MS 39564(228) 215-1202 Get Directions Write a Review

NPPES record last updated: March 13, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Robert Mack Williams Dmd NPPES

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

DR. ROBERT MACK WILLIAMS DMD (NPI 1376839431) is an individual general practice provider in Ocean Springs, Mississippi, licensed in Mississippi (3600-11) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376839431
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. ROBERT MACK WILLIAMSCredential: DMD
Location Address6819 WASHINGTON AVE STE COcean Springs, MS 39564-2181
Mailing Address6819 Washington Ave Ste COcean Springs, MS 39564-2181 · (228) 215-1202
Sole ProprietorYes
Enumeration DateJune 27, 2011
Last NPPES UpdateMarch 13, 2013
NPI 1376839431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in MS · 3600-11
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
6819 WASHINGTON AVE STE C, Ocean Springs, MS 39564

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 (PECOS)

Dr. Robert Mack Williams Dmd 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39564 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
$80.50 typical visit price
range $51.65 – $159.18
Typical copayment $20.12 (range $12.91 – $39.79)
Most-billed visit code 99203
Established Patient
$64.96 typical visit price
range $16.15 – $129.61
Typical copayment $16.24 (range $4.03 – $32.40)
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.

Other Providers at the Same Location NPPES 2

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

Dentist (General Practice)
6819 WASHINGTON AVE STE C
OCEAN SPRINGS, MS 39564
Dentist (General Practice)
6819 WASHINGTON AVE STE C
OCEAN SPRINGS, MS 39564

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 1376839431. It was assigned to this individual provider in the NPPES registry on June 27, 2011.

Where is Robert Williams located?

Robert Williams practices at 6819 Washington Ave Ste C, Ocean Springs, MS 39564. The listed phone number is (228) 215-1202.

What is Robert Williams's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Robert Williams enrolled in Medicare?

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

What insurance does Robert Williams accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of Tennessee and 11 other insurers 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 March 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.