DR. WILLIAM UNGER D.D.S. - NPI 1821051103 - Dentist in Leominster, MA

Q: What is William Unger's NPI number?

The NPI number for William Unger is 1821051103. It was assigned to this individual provider in the NPPES registry on April 8, 2006.

Q: What is William Unger's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Unger was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

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About Dr. William Unger D.d.s. NPPES

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

DR. WILLIAM UNGER D.D.S. (NPI 1821051103) is an individual general practice provider in Leominster, Massachusetts, licensed in Massachusetts (14231) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821051103

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. WILLIAM UNGERCredential: D.D.S.

Location Address81 WEST STLeominster, MA 01453-5649

Mailing Address81 West StLeominster, MA 01453-5649 · (978) 534-9216 · Fax (978) 537-6931

Phone(978) 534-9216

Fax(978) 537-6931

Sole ProprietorNo

Enumeration DateApril 8, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1821051103 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 · 14231

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.

81 WEST ST, Leominster, MA 01453

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Other Identifiers 1

Other14231MA · License Number

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, BEST Life and more.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. William Unger D.d.s. 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 01453 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$73.22 typical visit price

range $19.11 – $144.84

Typical copayment $18.30 (range $4.77 – $36.21)

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 8

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

HOWARD MARKOWITZ DDS PC

Dentist (General Practice)