SIDNEY M WILLIAMS DDS
NPI 1265518930
Dentist - General Practice in Bellingham, WA

Active since October 27, 2006PECOS Enrolled
4455 CORDATA PKWY, BELLINGHAM, WA 98226(360) 671-3225(360) 671-0000 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Sidney M Williams Dds NPPES

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

SIDNEY M WILLIAMS DDS (NPI 1265518930) is an individual general practice provider in Bellingham, Washington, licensed in Washington (DE00008880) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265518930
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameSIDNEY M WILLIAMSCredential: DDS
Location Address4455 CORDATA PKWYBellingham, WA 98226-8037
Mailing AddressPo Box 34703Seattle, WA 98124-1703 · (206) 764-0112 · Fax (206) 764-0489
Fax(360) 671-0000
Sole ProprietorNo
Enumeration DateOctober 27, 2006
Last NPPES UpdateJuly 9, 2007
NPI 1265518930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in WA · DE00008880
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.

4455 CORDATA PKWY, Bellingham, WA 98226

Other Identifiers 3

Other0175786WA · State Labor And Industrie
Other2854WIWA · Regence Blue Shield
Medicaid5044680WA

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)

Sidney M Williams Dds 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 98226 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
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 20

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

Social Worker (Clinical)
4455 CORDATA PKWY
BELLINGHAM, WA 98226
Family Medicine
4455 CORDATA PKWY
BELLINGHAM, WA 98226
Family Medicine
4455 CORDATA PKWY
BELLINGHAM, WA 98226
Family Medicine
4455 CORDATA PKWY
BELLINGHAM, WA 98226
Family Medicine
4455 CORDATA PKWY
BELLINGHAM, WA 98226
Counselor (Addiction (Substance Use Disorder))
4455 CORDATA PKWY
BELLINGHAM, WA 98226
Family Medicine
4455 CORDATA PKWY
BELLINGHAM, WA 98226
Dietitian, Registered
4455 CORDATA PKWY
BELLINGHAM, WA 98226

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 Sidney Williams's NPI number?

The NPI number for Sidney Williams is 1265518930. It was assigned to this individual provider in the NPPES registry on October 27, 2006.

Where is Sidney Williams located?

Sidney Williams practices at 4455 Cordata Pkwy, Bellingham, WA 98226. The listed phone number is (360) 671-3225.

What is Sidney Williams's specialty?

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

Is Sidney Williams enrolled in Medicare?

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

What insurance does Sidney Williams accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Sidney 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 Sidney Williams was last updated on July 9, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.