GASTROENTEROLOGY CENTER OF NORTHERN VIRGINIA LTD
NPI 1154546158
Internal Medicine - Gastroenterology in Annandale, VA

NPI Status: Active since April 16, 2007

Contact Information

3299 WOODBURN ROAD
SUITE 220
ANNANDALE, VA
ZIP 22003
Phone: (703) 560-6106
Fax: (703) 204-1968

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  • Organization
  • Internal Medicine
  • Gastroenterology
  • CLIA Number: 49D2165030
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 12-10-2027

About GASTROENTEROLOGY CENTER OF NORTHERN VIRGINIA LTD

This page provides the complete NPI Profile along with additional information for Gastroenterology Center Of Northern Virginia Ltd, an internist established in Annandale, Virginia operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1154546158 assigned on April 2007. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated 13 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Gabriel B Herman Md (President)

NPI
1154546158
Provider Name
GASTROENTEROLOGY CENTER OF NORTHERN VIRGINIA LTD
Entity Type
Organization
Location Address
3299 WOODBURN ROAD SUITE 220 ANNANDALE, VA 22003
Location Phone
(703) 560-6106
Location Fax
(703) 204-1968
Mailing Address
3299 WOODBURN ROAD SUITE 220 ANNANDALE, VA 22003
Mailing Phone
(703) 560-6106
Mailing Fax
(703) 204-1968
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-16-2007
Last Update Date
04-15-2013
Code Navigator

An internist like Gastroenterology Center Of Northern Virginia Ltd 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 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

GABRIEL B HERMAN MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(703) 560-6106

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
123069MEDICARE ID-TYPE UNSPECIFIED (04)VABILLING PROVIDER NUMBER

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
49D2165030
Facility Type
Physician Office
Certificate Effective Date
December 11, 2025
Certificate Expiration Date
December 10, 2027
Laboratory Director
ADNAN R. KHAN
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Gastroenterology Center Of Northern Virginia Ltd after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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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 1154546158, we treat the final digit (8) 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 42. The final step is to find the difference between that total and the next multiple of ten (50 - 42 = 8).

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
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
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 5 → 10 → 1 6 → 12 → 3 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 1 + 0 + 4 + 1 + 2 + 1 + 1 + 0 + 24 = 42

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

The next multiple of ten after 42 is 50. The difference is the calculated check digit.

50 - 42 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1154546158.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
3299 WOODBURN ROAD, SUITE 200
ANNANDALE, VA 22003
Psychiatry & Neurology (Psychiatry)
3299 WOODBURN ROAD, SUITE 400
ANNADALE, VA 22003

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154546158, enumerated as an "organization" on April 16, 2007.

The provider is located at 3299 WOODBURN ROAD SUITE 220 ANNANDALE, VA 22003 and the phone number is (703) 560-6106.

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.