LOUDOUN COUNSELING & COACHING, LLC
NPI 1134642044
Counselor - Mental Health in Sterling, VA
NPI Status: Active since July 23, 2017
Contact Information
21525 RIDGETOP CIR STE 110
STERLING, VA
ZIP 20166
Phone: (571) 375-0668
Fax: (571) 375-7136
NPPES record last updated: November 7, 2025. Verified against the NPPES registry weekly; last sync: July 12, 2026.
Record update history: Nov 7, 2025, Jul 23, 2017 (2 updates tracked since 2017).
- Organization
- Counselor
- Mental Health
About LOUDOUN COUNSELING & COACHING, LLC
This page provides the complete NPI Profile along with additional information for Loudoun Counseling & Coaching, Llc, a provider established in Sterling, Virginia operating as a Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1134642044 assigned on July 2017. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an organization and their NPI record was last updated one year ago. Loudoun Counseling & Coaching, Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Alonda De Anna Alloway Phd, Lcsw (Owner/mental Health Therapist)
- NPI
- 1134642044
- Provider Name
- LOUDOUN COUNSELING & COACHING, LLC
- Entity Type
- Organization
- Location Address
- 21525 RIDGETOP CIR STE 110 STERLING, VA 20166
- Location Phone
- (571) 375-0668
- Location Fax
- (571) 375-7136
- Mailing Address
- 21525 RIDGETOP CIR STE 110 STERLING, VA 20166
- Mailing Phone
- (571) 375-0668
- Mailing Fax
- (571) 375-7136
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-23-2017
- Last Update Date
- 11-07-2025
- Code Navigator
A mental health counselor like Loudoun Counseling & Coaching, Llc 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.
Location Map
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
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) |
|---|---|---|---|---|
| 1 | 103T00000X | Behavioral Health & Social Service Providers | Psychologist | |
| 2 | 1041C0700X | Behavioral Health & Social Service Providers | Social Worker | |
| 3 | 106H00000X | Behavioral Health & Social Service Providers | Marriage & Family Therapist |
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
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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 1134642044, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 56 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 4 providers are registered at the same or a nearby location.
DULLES, VA 20166
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1134642044, enumerated as an "organization" on July 23, 2017.
The provider is located at 21525 RIDGETOP CIR STE 110 STERLING, VA 20166 and the phone number is (571) 375-0668.
Counselor with taxonomy code 101YM0800X and a focus in Mental Health.
