CHRISTOPHER J POPOV LPN
NPI 1558211540
Licensed Practical Nurse in Lowell, MA
NPI Status: Active since January 30, 2026
Contact Information
391 VARNUM AVE
LOWELL, MA
ZIP 01854
Phone: (978) 674-6744
- Individual
- Male
- Licensed Practical Nurse
About CHRISTOPHER POPOV
This page provides the complete NPI Profile along with additional information for Christopher Popov, a provider established in Lowell, Massachusetts with a medical specialization in Licensed Practical Nurse. The healthcare provider is registered in the NPI registry with number 1558211540 assigned on January 2026. The practitioner's primary taxonomy code is 164W00000X with license number 67602 (MA). The provider is registered as an individual and his NPI record was last updated January 2026.
- NPI
- 1558211540
- Provider Name
- CHRISTOPHER J POPOV LPN
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 391 VARNUM AVE LOWELL, MA 01854
- Location Phone
- (978) 674-6744
- Mailing Address
- 641 E MERRIMACK ST LOWELL, MA 01852
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-30-2026
- Last Update Date
- 01-30-2026
- Code Navigator
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
Licensed Practical Nurse
- Taxonomy Code
- 164W00000X
- Type
- Nursing Service Providers
- License No.
- 67602
- License State
- MA
- Taxonomy Description
- A licensed practical nurse with post-high school vocational training and practical experience in the provision of nursing care at a level less than that required for certification as a Registered Nurse. Requirements for education, experience, licensure, and job responsibilities vary among the states.
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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 1558211540, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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 60 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
LOWELL, MA 01854
LOWELL, MA 01854
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1558211540, enumerated as an "individual" on January 30, 2026.
The provider is located at 391 VARNUM AVE LOWELL, MA 01854 and the phone number is (978) 674-6744.
Licensed Practical Nurse with taxonomy code 164W00000X.
