MRS. JENNIFER JUNE CHEN QAMAR LCPC
NPI 1942543491
Counselor - Professional in Greenbelt, MD

NPI Status: Active since April 03, 2013

Contact Information

7474 GREENWAY CENTER DR STE 730
GREENBELT, MD
ZIP 20770
Phone: (301) 345-1022

NPI Profile Information
Primary Taxonomy
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Counselor
Professional

About JENNIFER QAMAR

This page provides the complete NPI Profile along with additional information for Jennifer Qamar, a provider established in Greenbelt, Maryland with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1942543491 assigned on April 2013. The practitioner's primary taxonomy code is 101YP2500X with license number LC4643 (MD). The provider is registered as an individual and her NPI record was last updated 6 years ago.

NPI: 1942543491
Provider Name: MRS. JENNIFER JUNE CHEN QAMAR LCPC
Other Name: MRS. JENNIFER CHEN LCPC
Other Name Type: Professional Name (2)
Gender: Female
Entity Type: Individual
Location Address: 7474 GREENWAY CENTER DR STE 730 GREENBELT, MD 20770
Location Phone: (301) 345-1022
Mailing Address: 5804 KINGSWOOD RD BETHESDA, MD 20814
Mailing Phone: (301) 221-5673
Is Sole Proprietor?: No
Enumeration Date: 04-03-2013
Last Update Date: 06-30-2020
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Location Map

Secondary Locations

5010 Sunnyside Ave Ste 201 Suite 201
Beltsville, MD 20705
(301) 474-0060

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: Counselor Professional
Taxonomy Code: 101YP2500X
Type: Behavioral Health & Social Service Providers
License No.: LC4643
License State: MD

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 1942543491, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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 → 8

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 6

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 4 → 8 5 → 10 → 1 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 0 + 4 + 6 + 4 + 1 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1942543491.