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DR. WILLIAM GRASS DDS
NPI 1124196225
Dentist - General Practice in Amherst, MA

Active since November 30, 2006
31 HALL DR # B, AMHERST, MA 01002(413) 253-9505(413) 256-3188 Get Directions Write a Review

NPPES record last updated: January 24, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Grass Dds NPPES

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

DR. WILLIAM GRASS DDS (NPI 1124196225) is an individual general practice provider in Amherst, Massachusetts, licensed in Massachusetts (14821) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1124196225
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. WILLIAM GRASSCredential: DDS
Location Address31 HALL DR # BAmherst, MA 01002-2751
Mailing Address6 Executive Park Dr, Suite CClifton Park, NY 12065-5601 · (518) 348-0240 · Fax (518) 348-0248
Phone(413) 253-9505
Fax(413) 256-3188
Sole ProprietorNo
Enumeration DateNovember 30, 2006
Last NPPES UpdateJanuary 24, 2013
✔ NPI 1124196225 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 · 14821
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.
31 HALL DR # B, Amherst, MA 01002
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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.Insurance ›

Other Providers at the Same Location NPPES 4

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

CAPITAL AREA HUDSON VALLEY NY DENTAL
Dentist
31 HALL DR # B
AMHERST, MA 01002
Hampshire County (413) 253-9505
NITIKA BHATANAGAR DMD
Dentist (General Practice)
31 HALL DR # B
AMHERST, MA 01002
Hampshire County (413) 253-9505
SOLVIE ILGA WOYCHUK DDS
Dentist (General Practice)
31 HALL DR # B
AMHERST, MA 01002
Hampshire County (413) 253-9505
CAPITAL AREA HUDSON VALLEY NY DENTAL PC
Dentist
31 HALL DR # B
AMHERST, MA 01002
Hampshire County (413) 253-9505

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 Grass's NPI number?

The NPI number for William Grass is 1124196225. It was assigned to this individual provider in the NPPES registry on November 30, 2006.

Where is William Grass located?

William Grass practices at 31 Hall Dr # B, Amherst, MA 01002. The listed phone number is (413) 253-9505.

What is William Grass's specialty?

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

What insurance does William Grass accept?

Health plans from Anthem Blue Cross and Blue Sheld list William Grass 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 Grass was last updated on January 24, 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.