LAJOY ROBIN PRESTON LCPC
NPI 1003242983
Counselor - Professional in Largo, MD

NPI Status: Active since September 23, 2013

Contact Information

1300 MERCANTILE LN
141-D
LARGO, MD
ZIP 20774
Phone: (240) 242-9044

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  • Individual
  • Female
  • Counselor
  • Professional

About LAJOY PRESTON

This page provides the complete NPI Profile along with additional information for Lajoy Preston, a provider established in Largo, Maryland with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1003242983 assigned on September 2013. The practitioner's primary taxonomy code is 101YP2500X with license number LC2750 (MD). The provider is registered as an individual and her NPI record was last updated 13 years ago.

NPI
1003242983
Provider Name
LAJOY ROBIN PRESTON LCPC
Gender
Female
Entity Type
Individual
Location Address
1300 MERCANTILE LN 141-D LARGO, MD 20774
Location Phone
(240) 242-9044
Mailing Address
1608 DORAL DR MITCHELLVILLE, MD 20721
Is Sole Proprietor?
Yes
Enumeration Date
09-23-2013
Last Update Date
09-23-2013
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
LC2750
License State
MD

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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 1003242983, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 0 → 0 2 → 4 2 → 4 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 4 + 4 + 4 + 9 + 1 + 6 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1003242983.

Other Providers at the Same Location


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

Nurse Anesthetist, Certified Registered
1300 MERCANTILE LN
LARGO, MD 20774
Social Worker (Clinical)
1300 MERCANTILE LN, SUITE 139A1
LARGO, MD 20774
Social Worker (Clinical)
1300 MERCANTILE LN, SUITE 139-RR
LARGO, MD 20774
Specialist
1300 MERCANTILE LN, 140
LARGO, MD 20774
Psychologist (Counseling)
1300 MERCANTILE LN, SUITE 139-J
LARGO, MD 20774
Counselor (Mental Health)
1300 MERCANTILE LN, 200
LARGO, MD 20774
Home Health
1300 MERCANTILE LN, 158
LARGO, MD 20774
Nurse Anesthetist, Certified Registered
1300 MERCANTILE LN
LARGO, MD 20774
Marriage & Family Therapist
1300 MERCANTILE LN, SUITE 126-A
LARGO, MD 20774
Durable Medical Equipment & Medical Supplies
1300 MERCANTILE LN, SUITE 138 E
LARGO, MD 20774
Psychologist (Clinical)
1300 MERCANTILE LN
LARGO, MD 20774
Physical Therapist
1300 MERCANTILE LN, SUITE 124 B & C
LARGO, MD 20774
Durable Medical Equipment & Medical Supplies
1300 MERCANTILE LN, SUITE 138E
LARGO, MD 20774
Social Worker (Clinical)
1300 MERCANTILE LN
LARGO, MD 20774
Home Health
1300 MERCANTILE LN, SUITE 136-F
LARGO, MD 20774
Community/Behavioral Health
1300 MERCANTILE LN, SUITE 136 C
LARGO, MD 20774
Social Worker (Clinical)
1300 MERCANTILE LN, SUITE 141-D
LARGO, MD 20774
Counselor (Mental Health)
1300 MERCANTILE LN, 139-R
LARGO, MD 20774
Social Worker (Clinical)
1300 MERCANTILE LN, SUITE 139 FF
LARGO, MD 20774
Counselor (Professional)
1300 MERCANTILE LN
LARGO, MD 20774

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003242983, enumerated as an "individual" on September 23, 2013.

The provider is located at 1300 MERCANTILE LN 141-D LARGO, MD 20774 and the phone number is (240) 242-9044.

Counselor with taxonomy code 101YP2500X and a focus in Professional.