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DR. WILLIAM JAMES LEWIS D.D.S.
NPI 1932128683
Dentist - General Practice in Chelmsford, MA

Active since July 19, 2006Opted out of Medicare · through Dec 18, 2027
3 COURTHOUSE LN UNIT 7, CHELMSFORD, MA 01824(978) 256-3909(978) 441-3131 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William James Lewis D.d.s. NPPES

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

DR. WILLIAM JAMES LEWIS D.D.S. (NPI 1932128683) is an individual general practice provider in Chelmsford, Massachusetts, licensed in Massachusetts (16306) and active in the NPI registry since July 2006. He has opted out of Medicare through December 18, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1932128683
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. WILLIAM JAMES LEWISCredential: D.D.S.
Location Address3 COURTHOUSE LN UNIT 7Chelmsford, MA 01824-1720
Mailing Address3 Courthouse Ln Unit 7Chelmsford, MA 01824-1720 · (978) 256-3909 · Fax (978) 441-3131
Phone(978) 256-3909
Fax(978) 441-3131
Sole ProprietorNo
Enumeration DateJuly 19, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1932128683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in MA · 16306
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.
3 COURTHOUSE LN UNIT 7, Chelmsford, MA 01824
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Dr. William James Lewis D.d.s. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from December 18, 2015 through December 18, 2027.

Opt-Out Effective DateDecember 18, 2015
Opt-Out In Effect ThroughDecember 18, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01824 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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 William Lewis's NPI number?

The NPI number for William Lewis is 1932128683. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is William Lewis located?

William Lewis practices at 3 Courthouse Ln Unit 7, Chelmsford, MA 01824. The listed phone number is (978) 256-3909.

What is William Lewis's specialty?

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

Is William Lewis enrolled in Medicare?

No. William Lewis has opted out of Medicare through December 18, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does William Lewis accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list William Lewis 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 William Lewis was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.