CHRISTINE DARRINGTON LMSW
NPI 1891622379
Counselor - Mental Health in Columbia, MD

NPI Status: Active since May 07, 2026

Contact Information

8640 GUILFORD RD
COLUMBIA, MD
ZIP 21046
Phone: (410) 312-7250

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  • Individual
  • Female
  • Counselor
  • Mental Health

About CHRISTINE DARRINGTON

This page provides the complete NPI Profile along with additional information for Christine Darrington, a provider established in Columbia, Maryland with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1891622379 assigned on May 2026. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1891622379
Provider Name
CHRISTINE DARRINGTON LMSW
Gender
Female
Entity Type
Individual
Location Address
8640 GUILFORD RD COLUMBIA, MD 21046
Location Phone
(410) 312-7250
Mailing Address
18302 FOUNTAIN GROVE WAY OLNEY, MD 20832
Mailing Phone
(301) 774-6788
Is Sole Proprietor?
Yes
Enumeration Date
05-07-2026
Last Update Date
05-07-2026
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A mental health counselor like Christine Darrington provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers

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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 1891622379, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 9 → 18 → 9 6 → 12 → 3 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 2 + 2 + 4 + 3 + 1 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1891622379.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Dentist (General Practice)
8640 GUILFORD RD, SUITE #221A
COLUMBIA, MD 21046
Psychologist
8640 GUILFORD RD, SUITE 252
COLUMBIA, MD 21046
Dentist (General Practice)
8640 GUILFORD RD, SUITE 237
COLUMBIA, MD 21046
Social Worker (Clinical)
8640 GUILFORD RD, SUITE 252
COLUMBIA, MD 21046
Psychologist
8640 GUILFORD RD, SUITE 252
COLUMBIA, MD 21046
Psychiatry & Neurology (Psychiatry)
8640 GUILFORD RD, SUITE 223
COLUMBIA, MD 21046
Counselor (Mental Health)
8640 GUILFORD RD, SUITE 251
COLUMBIA, MD 21046
Psychologist
8640 GUILFORD RD, SUITE 224
COLUMBIA, MD 21046
Pharmacist
8640 GUILFORD RD
COLUMBIA, MD 21046
Pharmacist
8640 GUILFORD RD
COLUMBIA, MD 21046
Pharmacist
8640 GUILFORD RD
COLUMBIA, MD 21046
Pharmacist
8640 GUILFORD RD
COLUMBIA, MD 21046
Pharmacist
8640 GUILFORD RD
COLUMBIA, MD 21046
Pharmacist
8640 GUILFORD RD
COLUMBIA, MD 21046
Clinical Neuropsychologist
8640 GUILFORD RD, SUITE 251
COLUMBIA, MD 21046
Dentist (General Practice)
8640 GUILFORD RD, SUITE 221A
COLUMBIA, MD 21046

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891622379, enumerated as an "individual" on May 07, 2026.

The provider is located at 8640 GUILFORD RD COLUMBIA, MD 21046 and the phone number is (410) 312-7250.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.