DR. JOHN D. RAJNIAK LPC, DDS
NPI 1538216361
Dentist - General Practice in Williamsburg, VA

Active since January 04, 2007
1657 MERRIMAC TRL, WILLIAMSBURG, VA 23185(757) 220-3200 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. John D. Rajniak Lpc, Dds NPPES

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

DR. JOHN D. RAJNIAK LPC, DDS (NPI 1538216361) is an individual general practice provider in Williamsburg, Virginia, licensed in Virginia (0401008181) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1538216361
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. JOHN D. RAJNIAKCredential: LPC, DDS
Location Address1657 MERRIMAC TRLWilliamsburg, VA 23185-5624
Mailing Address109 Mobjack LoopYorktown, VA 23693-2613 · (757) 868-6480
Sole ProprietorNo
Enumeration DateJanuary 4, 2007
Last NPPES UpdateSeptember 11, 2025
NPI 1538216361 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in VA · 0401008181
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.
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 0701003769 (VA)
1657 MERRIMAC TRL, Williamsburg, VA 23185

Other Identifiers 3

OtherOPTIMAVA · O85428m
Other360843VA · Managed Health Net
Other180340VA · Anthem

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)
1657 MERRIMAC TRL
WILLIAMSBURG, VA 23185
Counselor
1657 MERRIMAC TRL
WILLIAMSBURG, VA 23185
Psychiatry & Neurology (Psychiatry)
1657 MERRIMAC TRL
WILLIAMSBURG, VA 23185
Social Worker (Clinical)
1657 MERRIMAC TRL
WILLIAMSBURG, VA 23185
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1657 MERRIMAC TRL
WILLIAMSBURG, VA 23185
Social Worker (Clinical)
1657 MERRIMAC TRL
WILLIAMSBURG, VA 23185
Counselor (Professional)
1657 MERRIMAC TRL
WILLIAMSBURG, VA 23185
Social Worker (Clinical)
1657 MERRIMAC TRL
WILLIAMSBURG, VA 23185

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 John Rajniak's NPI number?

The NPI number for John Rajniak is 1538216361. It was assigned to this individual provider in the NPPES registry on January 4, 2007.

Where is John Rajniak located?

John Rajniak practices at 1657 Merrimac Trl, Williamsburg, VA 23185. The listed phone number is (757) 220-3200.

What is John Rajniak's specialty?

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

When was this NPI record last updated?

The NPPES record for John Rajniak was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.