RALEIGH COMPREHENSIVE & COSMETIC DENTISTRY
NPI 1144338799
Dentist - General Practice in Raleigh, NC

NPI Status: Active since August 25, 2006

Contact Information

20 ENTERPRISE STREET
SUITE 1
RALEIGH, NC
ZIP 27607
Phone: (919) 828-3775
Fax: (919) 828-4937

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  • Organization
  • Dentist
  • General Practice
  • CLIA Number: 34D2191423
  • CLIA Cert. Type: Practitioner Other
  • CLIA Exp. Date: 08-26-2026

About RALEIGH COMPREHENSIVE & COSMETIC DENTISTRY

This page provides the complete NPI Profile along with additional information for Raleigh Comprehensive & Cosmetic Dentistry, a provider established in Raleigh, North Carolina operating as a Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1144338799 assigned on August 2006. The practitioner's primary taxonomy code is 1223G0001X with license number 2749 (NC). The provider is registered as an organization and their NPI record was last updated 6 years ago. Raleigh Comprehensive & Cosmetic Dentistry operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's is doing business as Raleigh Comprehensive & Cosmetic Dentistry. The authorized official of this NPI record is Robert L Williamson Iii Dds (Owner)

NPI
1144338799
Provider Legal Name
ROBERT L WILLIAMSON III DDS PA
Other Organization Name
RALEIGH COMPREHENSIVE & COSMETIC DENTISTRY
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
20 ENTERPRISE STREET SUITE 1 RALEIGH, NC 27607
Location Phone
(919) 828-3775
Location Fax
(919) 828-4937
Mailing Address
PO BOX 10401 RALEIGH, NC 27605
Mailing Phone
(919) 828-3775
Mailing Fax
(919) 828-4937
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-25-2006
Last Update Date
08-22-2020
Code Navigator

A dentist like Raleigh Comprehensive & Cosmetic Dentistry 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.
2749
License State
NC
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)
11223G0001XDental Providers

Dentist
General Practice

7038 (NC)
21223G0001XDental Providers

Dentist
General Practice

8035 (NC)

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

ROBERT L WILLIAMSON III DDS

Authorized Official Title
OWNER
Authorized Official Phone
(919) 828-3775

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
34D2191423
Facility Type
Practitioner Other
Certificate Effective Date
August 27, 2024
Certificate Expiration Date
August 26, 2026
Laboratory Director
ROBERT L. WILLIAMSON III
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Raleigh Comprehensive & Cosmetic Dentistry to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1144338799, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
1
Unchanged
Pos 3
4
Doubled → 8
Pos 4
4
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
9
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 4 → 8 3 → 6 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 6 + 3 + 1 + 6 + 7 + 1 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1144338799.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144338799, enumerated as an "organization" on August 25, 2006.

The provider is located at 20 ENTERPRISE STREET SUITE 1 RALEIGH, NC 27607 and the phone number is (919) 828-3775.

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