HOSPITAL MEDICINE SERVICES OF VA, LLC
NPI 1851226096
Internal Medicine in Reston, VA

NPI Status: Active since June 17, 2026

Contact Information

1850 TOWN CENTER PKWY
RESTON, VA
ZIP 20190
Phone: (703) 689-9000

Get Directions Write a Review

  • Organization
  • Internal Medicine

About HOSPITAL MEDICINE SERVICES OF VA, LLC

This page provides the complete NPI Profile along with additional information for Hospital Medicine Services Of Va, Llc, an internist established in Reston, Virginia operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1851226096 assigned on June 2026. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated June 2026. Hospital Medicine Services Of Va, Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Vyvyan Derouen (Vice President)

NPI
1851226096
Provider Name
HOSPITAL MEDICINE SERVICES OF VA, LLC
Entity Type
Organization
Location Address
1850 TOWN CENTER PKWY RESTON, VA 20190
Location Phone
(703) 689-9000
Mailing Address
2000 HEALTH PARK DR BRENTWOOD, TN 37027
Mailing Phone
(615) 373-7406
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
06-17-2026
Last Update Date
06-17-2026
Code Navigator

An internist like Hospital Medicine Services Of Va, Llc 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive 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

VYVYAN DEROUEN

Authorized Official Title
VICE PRESIDENT
Authorized Official Phone
(512) 482-4107

Reviews for HOSPITAL MEDICINE SERVICES OF VA, LLC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1851226096, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 5 → 10 → 1 2 → 4 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 4 + 2 + 1 + 2 + 0 + 1 + 8 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1851226096.

Other Providers at the Same Location


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

Anesthesiology
1850 TOWN CENTER PKWY
RESTON, VA 20190
General Practice
1850 TOWN CENTER PKWY, EMERGENCY DEPARTMENT
RESTON, VA 20190
Nurse Anesthetist, Certified Registered
1850 TOWN CENTER PKWY
RESTON, VA 20190
Pediatrics (Neonatal-Perinatal Medicine)
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Emergency Medicine
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Emergency Medicine
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Internal Medicine
1850 TOWN CENTER PKWY
RESTON, VA 20190
Emergency Medicine
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Emergency Medicine
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Emergency Medicine
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Pediatrics (Neonatal-Perinatal Medicine)
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Pediatrics
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Anesthesiology
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Anesthesiology
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Nurse Anesthetist, Certified Registered
1850 TOWN CENTER PKWY
RESTON, VA 20190
Nurse Anesthetist, Certified Registered
1850 TOWN CENTER PKWY
RESTON, VA 20190
Nurse Anesthetist, Certified Registered
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Internal Medicine
1850 TOWN CENTER PKWY
RESTON, VA 20190
Pediatrics
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Physician Assistant (Medical)
1850 TOWN CENTER PKWY, SUITE 400
RESTON, VA 20190

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851226096, enumerated as an "organization" on June 17, 2026.

The provider is located at 1850 TOWN CENTER PKWY RESTON, VA 20190 and the phone number is (703) 689-9000.

Internal Medicine with taxonomy code 207R00000X.