CLARK INFECTIOUS DISEASE GROUP
NPI 1477247864
Internal Medicine - Infectious Disease in Alexandria, VA

NPI Status: Active since June 07, 2023

Contact Information

2501 PARKERS LN FL 4
ALEXANDRIA, VA
ZIP 22306
Phone: (703) 664-7000

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  • Organization
  • Internal Medicine
  • Infectious Disease

About CLARK INFECTIOUS DISEASE GROUP

This page provides the complete NPI Profile along with additional information for Clark Infectious Disease Group, an internist established in Alexandria, Virginia operating as a Internal Medicine, focusing in infectious disease . The healthcare provider is registered in the NPI registry with number 1477247864 assigned on June 2023. The practitioner's primary taxonomy code is 207RI0200X. The provider is registered as an organization and their NPI record was last updated February 2026. 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 Dr. Victor P Clark Md (Owner)

NPI
1477247864
Provider Name
CLARK INFECTIOUS DISEASE GROUP
Entity Type
Organization
Location Address
2501 PARKERS LN FL 4 ALEXANDRIA, VA 22306
Location Phone
(703) 664-7000
Mailing Address
105 WATCH HARBOUR CT SUFFOLK, VA 23435
Mailing Phone
(757) 582-1629
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
06-07-2023
Last Update Date
02-05-2026
Code Navigator

An internist like Clark Infectious Disease Group 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

Secondary Locations

  • 2220 Edward Holland Dr
    Richmond, VA 23230
    (757) 582-1629

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 Infectious Disease

Taxonomy Code
207RI0200X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

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.

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. VICTOR P CLARK MD

Authorized Official Title
OWNER
Authorized Official Phone
(757) 582-1629

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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 1477247864, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
4
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
7
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 7 → 14 → 5 2 → 4 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 4 + 4 + 1 + 4 + 8 + 1 + 2 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1477247864.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Technician
2501 PARKERS LN FL 4
ALEXANDRIA, VA 22306
Long Term Care Hospital
2501 PARKERS LN FL 4
ALEXANDRIA, VA 22306
Long Term Care Hospital
2501 PARKERS LN FL 4
ALEXANDRIA, VA 22306
Internal Medicine
2501 PARKERS LN FL 4
ALEXANDRIA, VA 22306
Internal Medicine (Hospice and Palliative Medicine)
2501 PARKERS LN FL 4
ALEXANDRIA, VA 22306

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477247864, enumerated as an "organization" on June 07, 2023.

The provider is located at 2501 PARKERS LN FL 4 ALEXANDRIA, VA 22306 and the phone number is (703) 664-7000.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.