MELISSA A GALLAGHER LPC
NPI 1801666250
Counselor - Professional in Greenville, SC

NPI Status: Active since January 08, 2024

Contact Information

11 DAVIS KEATS DR
GREENVILLE, SC
ZIP 29607
Phone: (864) 477-5854

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  • Individual
  • Female
  • Counselor
  • Professional

About MELISSA GALLAGHER

This page provides the complete NPI Profile along with additional information for Melissa Gallagher, a provider established in Greenville, South Carolina with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1801666250 assigned on January 2024. The practitioner's primary taxonomy code is 101YP2500X with license number 11289 (SC). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1801666250
Provider Name
MELISSA A GALLAGHER LPC
Gender
Female
Entity Type
Individual
Location Address
11 DAVIS KEATS DR GREENVILLE, SC 29607
Location Phone
(864) 477-5854
Mailing Address
11 DAVIS KEATS DR GREENVILLE, SC 29607
Mailing Phone
(864) 477-5854
Is Sole Proprietor?
No
Enumeration Date
01-08-2024
Last Update Date
08-11-2025
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
11289
License State
SC

Reviews for MELISSA A GALLAGHER LPC

  • 5 out of 5 stars - Review by Ellie on February 03, 2025

    Melissa is compassionate, kind, an excellent listener, and very good at what she does! So grateful to have gotten to have her as my therapist! I would recommend to anyone!

  • 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 1801666250, 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 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.

    Pos 1
    1
    Doubled → 2
    Pos 2
    8
    Unchanged
    Pos 3
    0
    Doubled → 0
    Pos 4
    1
    Unchanged
    Pos 5
    6
    Doubled → 12 → 1 + 2
    Pos 6
    6
    Unchanged
    Pos 7
    6
    Doubled → 12 → 1 + 2
    Pos 8
    2
    Unchanged
    Pos 9
    5
    Doubled → 10 → 1 + 0
    Check
    0
    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 6 → 12 → 3 6 → 12 → 3 5 → 10 → 1

    Step 2: Add all digits plus the NPI constant

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

    2 + 8 + 0 + 1 + 1 + 2 + 6 + 1 + 2 + 2 + 1 + 0 + 24 = 50

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

    The next multiple of ten after 50 is 50. The difference is the calculated check digit.

    50 - 50 = 0
    This NPI is valid
    The calculated check digit is 0, which matches the last digit of 1801666250.

    Other Providers at the Same Location


    The following 7 providers are registered at the same or a nearby location.

    Counselor
    11 DAVIS KEATS DR
    GREENVILLE, SC 29607
    Marriage & Family Therapist
    11 DAVIS KEATS DR
    GREENVILLE, SC 29607
    Marriage & Family Therapist
    11 DAVIS KEATS DR
    GREENVILLE, SC 29607
    Marriage & Family Therapist
    11 DAVIS KEATS DR
    GREENVILLE, SC 29607
    Counselor (Mental Health)
    11 DAVIS KEATS DR
    GREENVILLE, SC 29607
    Marriage & Family Therapist
    11 DAVIS KEATS DR
    GREENVILLE, SC 29607
    Clinic/Center (Mental Health (Including Community Mental Health Center))
    11 DAVIS KEATS DR
    GREENVILLE, SC 29607

    Frequently Asked Questions

    The NPI number assigned to this healthcare provider is 1801666250, enumerated as an "individual" on January 08, 2024.

    The provider is located at 11 DAVIS KEATS DR GREENVILLE, SC 29607 and the phone number is (864) 477-5854.

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