CHRISTLYN ARIEL MCCASKILL ATR-BC, LCPAT, LCPC
NPI 1740897685
Counselor - Professional in Baltimore, MD

NPI Status: Active since September 24, 2020

Contact Information

400 E PRATT ST FL 8
8TH FLOOR
BALTIMORE, MD
ZIP 21202
Phone: (667) 231-9560

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  • Individual
  • Female
  • Counselor
  • Professional

About CHRISTLYN MCCASKILL

This page provides the complete NPI Profile along with additional information for Christlyn Mccaskill, a provider established in Baltimore, Maryland with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1740897685 assigned on September 2020. The practitioner's primary taxonomy code is 101YP2500X with license number LC13005 (MD). The provider is registered as an individual and her NPI record was last updated December 2025.

NPI
1740897685
Provider Name
CHRISTLYN ARIEL MCCASKILL ATR-BC, LCPAT, LCPC
Gender
Female
Entity Type
Individual
Location Address
400 E PRATT ST FL 8 8TH FLOOR BALTIMORE, MD 21202
Location Phone
(667) 231-9560
Mailing Address
400 E PRATT ST FL 8 BALTIMORE, MD 21202
Mailing Phone
(667) 231-9560
Is Sole Proprietor?
No
Enumeration Date
09-24-2020
Last Update Date
12-30-2025
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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.
LC13005
License State
MD

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1221700000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Art Therapist

ATC326 (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 1740897685, 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 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
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
5
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 8 → 16 → 7 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 1 + 6 + 9 + 1 + 4 + 6 + 1 + 6 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1740897685.

Other Providers at the Same Location


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

Nurse Practitioner (Gerontology)
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Emergency Medicine
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Analyst
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Assistant Behavior Analyst
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Analyst
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202
Behavior Technician
400 E PRATT ST FL 8
BALTIMORE, MD 21202

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740897685, enumerated as an "individual" on September 24, 2020.

The provider is located at 400 E PRATT ST FL 8 8TH FLOOR BALTIMORE, MD 21202 and the phone number is (667) 231-9560.

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