COMMONWEALTH SLEEP CENTER, LLC
NPI 1356511554
Internal Medicine - Sleep Medicine in Gainesville, VA
NPI Status: Active since March 04, 2008
Contact Information
7001 HERITAGE VILLAGE PLZ STE 120
GAINESVILLE, VA
ZIP 20155
Phone: (571) 261-9877
Fax: (571) 248-0583
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Organization
- Internal Medicine
- Sleep Medicine
About COMMONWEALTH SLEEP CENTER, LLC
This page provides the complete NPI Profile along with additional information for Commonwealth Sleep Center, Llc, an internist established in Gainesville, Virginia operating as a Internal Medicine, focusing in sleep medicine . The healthcare provider is registered in the NPI registry with number 1356511554 assigned on March 2008. The practitioner's primary taxonomy code is 207RS0012X. The provider is registered as an organization and their NPI record was last updated May 2026. The authorized official of this NPI record is Dr. Sanjeev Kohli Md (President)
- NPI
- 1356511554
- Provider Name
- COMMONWEALTH SLEEP CENTER, LLC
- Entity Type
- Organization
- Location Address
- 7001 HERITAGE VILLAGE PLZ STE 120 GAINESVILLE, VA 20155
- Location Phone
- (571) 261-9877
- Location Fax
- (571) 248-0583
- Mailing Address
- 7001 HERITAGE VILLAGE PLZ STE 120 GAINESVILLE, VA 20155
- Mailing Phone
- (571) 261-9877
- Mailing Fax
- (571) 248-0583
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 03-04-2008
- Last Update Date
- 05-13-2026
- Code Navigator
An internist like Commonwealth Sleep Center, 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
Secondary Locations
- 4604 Spotsylvania Pkwy Ste 310
Fredericksburg, VA 22408
(571) 261-9877 - 4216 King St
Alexandria, VA 22302
(571) 261-9877 - 3450 Old Washington Rd
Waldorf, MD 20602
(571) 261-9877 - 8101 Hinson Farm Rd Ste 318
Alexandria, VA 22306
(571) 261-9877 - 2200 Opitz Blvd Ste 335
Woodbridge, VA 22191
(571) 261-9877
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 Sleep Medicine
- Taxonomy Code
- 207RS0012X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 332B00000X | Suppliers | Durable Medical Equipment & Medical Supplies |
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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 1356511554, 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 46 is 50. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1356511554, enumerated as an "organization" on March 04, 2008.
The provider is located at 7001 HERITAGE VILLAGE PLZ STE 120 GAINESVILLE, VA 20155 and the phone number is (571) 261-9877.
Internal Medicine with taxonomy code 207RS0012X and a focus in Sleep Medicine.
