THOMAS THOMAS AND THOMAS
NPI 1659438810
Dentist - General Practice in Medfield, MA

NPI Status: Active since January 03, 2007

Contact Information

5 N MEADOWS RD
SUITE 3
MEDFIELD, MA
ZIP 02052
Phone: (508) 359-6600
Fax: (508) 359-8710

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  • Organization
  • Dentist
  • General Practice

About THOMAS THOMAS AND THOMAS

This page provides the complete NPI Profile along with additional information for Thomas Thomas And Thomas, a provider established in Medfield, Massachusetts operating as a Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1659438810 assigned on January 2007. The practitioner's primary taxonomy code is 1223G0001X with license number 16565 (MA). The provider is registered as an organization and their NPI record was last updated one year ago. Thomas Thomas And Thomas operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Dr. Richard K. Thomas D.d.s. (Corporation Treasurer,secretary)

NPI
1659438810
Provider Legal Name
THOMAS THOMAS AND THOMAS
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
5 N MEADOWS RD SUITE 3 MEDFIELD, MA 02052
Location Phone
(508) 359-6600
Location Fax
(508) 359-8710
Mailing Address
5 N MEADOWS RD SUITE 3 MEDFIELD, MA 02052
Mailing Phone
(508) 359-6600
Mailing Fax
(508) 359-8710
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-03-2007
Last Update Date
09-11-2025
Code Navigator

A dentist like Thomas Thomas And Thomas is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
16565
License State
MA
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
11223E0200XDental Providers

Dentist
Endodontics

12189 (MA)
21223G0001XDental Providers

Dentist
General Practice

16566 (MA)
31223G0001XDental Providers

Dentist
General Practice

14873 (MA)
41223P0300XDental Providers

Dentist
Periodontics

18342 (MA)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. RICHARD K. THOMAS D.D.S.

Authorized Official Title
CORPORATION TREASURER,SECRETARY
Authorized Official Phone
(508) 359-6600

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1659438810, we treat the final digit (0) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
1
Doubled → 2
Check
0
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 4 → 8 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 1 + 0 + 9 + 8 + 3 + 1 + 6 + 8 + 2 + 24 = 70

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 70 is 70. The difference is the calculated check digit.

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1659438810.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Clinic/Center (Physical Therapy)
5 N MEADOWS RD
MEDFIELD, MA 02052
Physical Therapist (Orthopedic)
5 N MEADOWS RD
MEDFIELD, MA 02052
Physical Therapist
5 N MEADOWS RD
MEDFIELD, MA 02052
Physical Therapist (Orthopedic)
5 N MEADOWS RD
MEDFIELD, MA 02052
Physical Therapist (Orthopedic)
5 N MEADOWS RD
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Chiropractor (Orthopedic)
5 N MEADOWS RD
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Physical Therapist (Orthopedic)
5 N MEADOWS RD
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SPEECH-LANGUAGE & HEARING ASSOCIATES
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052
Speech-Language Pathologist
5 N MEADOWS RD, SLP ASSOCIATES, PC
MEDFIELD, MA 02052

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659438810, enumerated as an "organization" on January 03, 2007.

The provider is located at 5 N MEADOWS RD SUITE 3 MEDFIELD, MA 02052 and the phone number is (508) 359-6600.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.