GROUNDED WILLOW COUNSELING
NPI 1912847666
Social Worker - Clinical in Concord, NH

NPI Status: Active since March 31, 2026

Contact Information

85 WARREN ST
CONCORD, NH
ZIP 03301
Phone: (603) 392-7642
Fax: (866) 446-3318

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  • Organization
  • Social Worker
  • Clinical

About GROUNDED WILLOW COUNSELING

This page provides the complete NPI Profile along with additional information for Grounded Willow Counseling, a provider established in Concord, New Hampshire operating as a Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1912847666 assigned on March 2026. The practitioner's primary taxonomy code is 1041C0700X. The provider is registered as an organization and their NPI record was last updated March 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Tina R Olson Olson (Owner)

NPI
1912847666
Provider Name
GROUNDED WILLOW COUNSELING
Entity Type
Organization
Location Address
85 WARREN ST CONCORD, NH 03301
Location Phone
(603) 392-7642
Location Fax
(866) 446-3318
Mailing Address
65 HOOKSETT TPKE CONCORD, NH 03301
Mailing Phone
(603) 726-1526
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-31-2026
Last Update Date
03-31-2026
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A clinical social worker like Grounded Willow Counseling is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

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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

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

TINA R OLSON OLSON

Authorized Official Title
OWNER
Authorized Official Phone
(603) 726-1526

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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 1912847666, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
9
Unchanged
Pos 3
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
6
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 1 → 2 8 → 16 → 7 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 1 + 6 + 4 + 1 + 4 + 6 + 1 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1912847666.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Marriage & Family Therapist
85 WARREN ST
CONCORD, NH 03301
Counselor (Mental Health)
85 WARREN ST
CONCORD, NH 03301
Counselor (Mental Health)
85 WARREN ST
CONCORD, NH 03301
Counselor (Professional)
85 WARREN ST
CONCORD, NH 03301
Counselor (Addiction (Substance Use Disorder))
85 WARREN ST
CONCORD, NH 03301
Counselor (Mental Health)
85 WARREN ST
CONCORD, NH 03301
Counselor (Mental Health)
85 WARREN ST
CONCORD, NH 03301
Psychiatry & Neurology (Psychiatry)
85 WARREN ST
CONCORD, NH 03301

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912847666, enumerated as an "organization" on March 31, 2026.

The provider is located at 85 WARREN ST CONCORD, NH 03301 and the phone number is (603) 392-7642.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.