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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ROGER W MCWILLIAMS DMD
NPI 1164422721
Dentist in Hanover, NH

Active since July 26, 2005
71 LYME RD, HANOVER, NH 03755(603) 643-3104(603) 643-0241 Get Directions Write a Review

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

About Dr. Roger W Mcwilliams Dmd NPPES

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

DR. ROGER W MCWILLIAMS DMD (NPI 1164422721) is an individual dentist in Hanover, New Hampshire, licensed in New Hampshire (1677) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1164422721
Entity TypeIndividualMale
Primary Taxonomy122300000X
Provider Legal NameDR. ROGER W MCWILLIAMSCredential: DMD
Location Address71 LYME RDHanover, NH 03755-1253
Mailing Address71 Lyme RdHanover, NH 03755-1253 · (603) 643-3104 · Fax (603) 643-0241
Phone(603) 643-3104
Fax(603) 643-0241
Sole ProprietorNo
Enumeration DateJuly 26, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1164422721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentistDental Providers
Taxonomy Code122300000X
License✔ Licensed in NH · 1677
Definition
A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist.
71 LYME RD, Hanover, NH 03755
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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.

JEANINE M MCDONALD DDS
Dentist (General Practice)
71 LYME RD
HANOVER, NH 03755
Grafton County (509) 868-7785
MCWILLIAMS AND WONSAVAGE DENTISTRY PARTNERSHIP
Dentist (General Practice)
71 LYME RD
HANOVER, NH 03755
Grafton County (603) 643-3104
DR. PAUL R WONSAVAGE D.D.S.
Dentist (General Practice)
71 LYME RD
HANOVER, NH 03755
Grafton County (603) 643-3104
UPPER VALLEY DENTAL SLEEP CENTER, PLLC
Durable Medical Equipment & Medical Supplies
71 LYME RD
HANOVER, NH 03755
Grafton County (509) 868-7785

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 Roger Mcwilliams's NPI number?

The NPI number for Roger Mcwilliams is 1164422721. It was assigned to this individual provider in the NPPES registry on July 26, 2005.

Where is Roger Mcwilliams located?

Roger Mcwilliams practices at 71 Lyme Rd, Hanover, NH 03755. The listed phone number is (603) 643-3104.

What is Roger Mcwilliams's specialty?

The primary specialty registered for this NPI is Dentist with taxonomy code 122300000X.

When was this NPI record last updated?

The NPPES record for Roger Mcwilliams was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.