RIVERSIDE GASTROENTEROLOGY SPECIALISTS
NPI 1194929026
Internal Medicine - Gastroenterology in Newport News, VA

NPI Status: Active since June 13, 2007

Contact Information

101 PHILIP ROTH ST
SUITE 5-A
NEWPORT NEWS, VA
ZIP 23606
Phone: (757) 599-6333
Fax: (757) 591-7261

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  • Organization
  • Internal Medicine
  • Gastroenterology
  • CLIA Number: 49D2199518
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 11-08-2026

About RIVERSIDE GASTROENTEROLOGY SPECIALISTS

This page provides the complete NPI Profile along with additional information for Riverside Gastroenterology Specialists, an internist established in Newport News, Virginia operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1194929026 assigned on June 2007. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated 12 years ago. Riverside Gastroenterology Specialists 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. The authorized official of this NPI record is James Lesnick Md (Vice President)

NPI
1194929026
Provider Legal Name
RIVERSIDE PHYSICIAN SERVICES INC
Other Organization Name
RIVERSIDE GASTROENTEROLOGY SPECIALISTS
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
101 PHILIP ROTH ST SUITE 5-A NEWPORT NEWS, VA 23606
Location Phone
(757) 599-6333
Location Fax
(757) 591-7261
Mailing Address
856 J CLYDE MORRIS BLVD SUITE A NEWPORT NEWS, VA 23601
Mailing Phone
(757) 594-4006
Mailing Fax
(757) 591-7261
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
06-13-2007
Last Update Date
10-15-2014
Code Navigator

An internist like Riverside Gastroenterology Specialists 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
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

JAMES LESNICK MD

Authorized Official Title
VICE PRESIDENT
Authorized Official Phone
(757) 594-4006

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
C03953MEDICARE PIN (08)VA 

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
49D2199518
Facility Type
Physician Office
Certificate Effective Date
November 09, 2024
Certificate Expiration Date
November 08, 2026
Laboratory Director
FREDERICK GESSNER
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Riverside Gastroenterology Specialists 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 1194929026, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
9
Doubled → 18 → 1 + 8
Pos 4
4
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
6
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 9 → 18 → 9 9 → 18 → 9 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 1 + 8 + 2 + 1 + 8 + 0 + 4 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1194929026.

Other Providers at the Same Location


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

Nurse Practitioner (Family)
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Nurse Practitioner (Family)
101 PHILIP ROTH ST, SUITE 5A
NEWPORT NEWS, VA 23606
Internal Medicine (Gastroenterology)
101 PHILIP ROTH ST, SUITE 5A
NEWPORT NEWS, VA 23606
Internal Medicine (Gastroenterology)
101 PHILIP ROTH ST, SUITE 5A
NEWPORT NEWS, VA 23606
Internal Medicine (Gastroenterology)
101 PHILIP ROTH ST, SUITE 5A
NEWPORT NEWS, VA 23606
Internal Medicine (Gastroenterology)
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Nurse Practitioner (Family)
101 PHILIP ROTH ST, SUITE 5A
NEWPORT NEWS, VA 23606
Nurse Practitioner (Family)
101 PHILIP ROTH ST, SUITE 5A
NEWPORT NEWS, VA 23606
Physician Assistant
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Nurse Practitioner (Family)
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Physician Assistant
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Internal Medicine (Gastroenterology)
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Internal Medicine (Gastroenterology)
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Nurse Practitioner (Acute Care)
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Nurse Practitioner (Family)
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Internal Medicine (Gastroenterology)
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Physician Assistant
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Internal Medicine (Gastroenterology)
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Internal Medicine (Gastroenterology)
101 PHILIP ROTH ST
NEWPORT NEWS, VA 23606
Physician Assistant (Medical)
101 PHILIP ROTH ST, SUITE 5A
NEWPORT NEWS, VA 23606

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194929026, enumerated as an "organization" on June 13, 2007.

The provider is located at 101 PHILIP ROTH ST SUITE 5-A NEWPORT NEWS, VA 23606 and the phone number is (757) 599-6333.

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

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.