RIVERSIDE GASTROENTEROLOGY SPECIALISTS WILLIAMSBURG
NPI 1083867311
Internal Medicine - Gastroenterology in Williamsburg, VA

NPI Status: Active since October 30, 2008

Contact Information

120 KINGS WAY STE 3500
WILLIAMSBURG, VA
ZIP 23185
Phone: (757) 221-0750
Fax: (757) 229-5168

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  • Organization
  • Internal Medicine
  • Gastroenterology
  • CLIA Number: 49D1102003
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 07-08-2027

About RIVERSIDE GASTROENTEROLOGY SPECIALISTS WILLIAMSBURG

This page provides the complete NPI Profile along with additional information for Riverside Gastroenterology Specialists Williamsburg, an internist established in Williamsburg, Virginia operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1083867311 assigned on October 2008. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated 2 years ago. Riverside Gastroenterology Specialists Williamsburg 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 Riverside Gastroenterology Specialists Williamsburg. The authorized official of this NPI record is Billie Jo Brown (Credentialing Manager)

NPI
1083867311
Provider Legal Name
RIVERSIDE PHYSICIAN SERVICES INC
Other Organization Name
RIVERSIDE GASTROENTEROLOGY SPECIALISTS WILLIAMSBURG
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
120 KINGS WAY STE 3500 WILLIAMSBURG, VA 23185
Location Phone
(757) 221-0750
Location Fax
(757) 229-5168
Mailing Address
856 J CLYDE MORRIS BLVD SUITE A NEWPORT NEWS, VA 23601
Mailing Phone
(757) 316-5800
Mailing Fax
(757) 229-5168
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
10-30-2008
Last Update Date
12-27-2024
Code Navigator

An internist like Riverside Gastroenterology Specialists Williamsburg is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License State
VA
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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

BILLIE JO BROWN

Authorized Official Title
CREDENTIALING MANAGER
Authorized Official Phone
(757) 316-5901

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
49D1102003
Facility Type
Physician Office
Certificate Effective Date
July 09, 2025
Certificate Expiration Date
July 08, 2027
Laboratory Director
JOSEPH O. CONVERSE
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Riverside Gastroenterology Specialists Williamsburg 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 1083867311, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
Check
1
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 8 → 16 → 7 8 → 16 → 7 7 → 14 → 5 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 6 + 6 + 1 + 4 + 3 + 2 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1083867311.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Urology
120 KINGS WAY STE 3500
WILLIAMSBURG, VA 23185
Otolaryngology
120 KINGS WAY STE 3500
WILLIAMSBURG, VA 23185

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083867311, enumerated as an "organization" on October 30, 2008.

The provider is located at 120 KINGS WAY STE 3500 WILLIAMSBURG, VA 23185 and the phone number is (757) 221-0750.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.