DR. JUSTIN SINGH VIRK MD
NPI 1871176495
Anesthesiology - Pain Medicine in Chicago, IL

NPI Status: Active since May 02, 2021

Contact Information

820 S WOOD ST STE 100
CHICAGO, IL
ZIP 60612
Phone: (312) 996-2933

NPI Profile Information
Primary Taxonomy
Medicare Participation & PECOS Status
Durable Medical Equipment
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Anesthesiology
Pain Medicine
PECOS Enrolled

About JUSTIN VIRK

This page provides the complete NPI Profile along with additional information for Justin Virk, a provider established in Chicago, Illinois with a medical specialization in Anesthesiology, focusing in pain medicine . The healthcare provider is registered in the NPI registry with number 1871176495 assigned on May 2021. The practitioner's primary taxonomy code is 207LP2900X with license number 036.175467 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI: 1871176495
Provider Name: DR. JUSTIN SINGH VIRK MD
Gender: Male
Entity Type: Individual
Location Address: 820 S WOOD ST STE 100 CHICAGO, IL 60612
Location Phone: (312) 996-2933
Mailing Address: 820 S WOOD ST STE 100 CHICAGO, IL 60612
Mailing Phone: (312) 996-2933
Is Sole Proprietor?: No
Enumeration Date: 05-02-2021
Last Update Date: 11-25-2025
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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: Anesthesiology Pain Medicine
Taxonomy Code: 207LP2900X
Type: Allopathic & Osteopathic Physicians
License No.: 036.175467
License State: IL
Taxonomy Description: An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

Medicare Participation & PECOS Enrollment Status

Justin Virk is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

DME-Wheelchairs (DD000N)
Lightweight wheelchair (HCPCS:K0003)
1 DME suppliers used 11 Medicare Claims 11 Services Paid

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 1871176495, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 14 → 1 + 4

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 12 → 1 + 2

Pos 8

Unchanged

Pos 9

Doubled → 18 → 1 + 8

Check

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 1 → 2 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 + 4 + 1 + 2 + 7 + 1 + 2 + 4 + 1 + 8 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1871176495.