FIRST STEP SUBSTANCE ABUSE SERVICES
NPI 1215060843
Clinic/Center - Adult Mental Health in Durham, NC

NPI Status: Active since March 13, 2007

Contact Information

3325 DURHAM CHAPEL HILL BLVD
SUITE 101
DURHAM, NC
ZIP 27707
Phone: (919) 419-0229
Fax: (919) 490-3708

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  • Organization
  • Clinic/Center
  • Adult Mental Health
  • CLIA Number: 34D2045827
  • CLIA Cert. Type: Other - SUBSTANCE USE TREATMENT F
  • CLIA Exp. Date: 12-13-2027

About FIRST STEP SUBSTANCE ABUSE SERVICES

This page provides the complete NPI Profile along with additional information for First Step Substance Abuse Services, a provider established in Durham, North Carolina operating as a Clinic/center, focusing in adult mental health . The healthcare provider is registered in the NPI registry with number 1215060843 assigned on March 2007. The practitioner's primary taxonomy code is 261QM0850X with license number MHL 032-384 (NC). The provider is registered as an organization and their NPI record was last updated 6 years ago. The provider's other name is First Step Substance Abuse Services. The authorized official of this NPI record is Mr. W. Henry Tarkington Msw, Lcsw, Lcas, Ccs (Clinical And Executive Director)

NPI
1215060843
Provider Legal Name
FIRST STEP SERVICES, LLC
Other Organization Name
FIRST STEP SUBSTANCE ABUSE SERVICES
Other Name Type
Other Name (5)
Entity Type
Organization
Location Address
3325 DURHAM CHAPEL HILL BLVD SUITE 101 DURHAM, NC 27707
Location Phone
(919) 419-0229
Location Fax
(919) 490-3708
Mailing Address
3325 DURHAM CHAPEL HILL BLVD SUITE 101 DURHAM, NC 27707
Mailing Phone
(919) 419-0229
Mailing Fax
(919) 490-3708
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-13-2007
Last Update Date
08-22-2020
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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

Clinic/Center Adult Mental Health

Taxonomy Code
261QM0850X
Type
Ambulatory Health Care Facilities
License No.
MHL 032-384
License State
NC
Taxonomy Description
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.

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

MR. W. HENRY TARKINGTON MSW, LCSW, LCAS, CCS

Authorized Official Title
CLINICAL AND EXECUTIVE DIRECTOR
Authorized Official Phone
(919) 833-8899

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
34D2045827
Facility Type
Other - SUBSTANCE USE TREATMENT F
Certificate Effective Date
December 14, 2025
Certificate Expiration Date
December 13, 2027
Laboratory Director
SARA SHOOK-ROSEN
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to First Step Substance Abuse Services to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1215060843, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 2 + 5 + 0 + 6 + 0 + 8 + 8 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1215060843.

Other Providers at the Same Location


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

Social Worker (Clinical)
3325 DURHAM CHAPEL HILL BLVD, SUITE 205
DURHAM, NC 27707
Dentist (Endodontics)
3325 DURHAM CHAPEL HILL BLVD, STE 301
DURHAM, NC 27707
Dentist
3325 DURHAM CHAPEL HILL BLVD, SUITE 303
DURHAM, NC 27707
Marriage & Family Therapist
3325 DURHAM CHAPEL HILL BLVD, SUITE 100
DURHAM, NC 27707
Counselor (Addiction (Substance Use Disorder))
3325 DURHAM CHAPEL HILL BLVD, 230 C
DURHAM, NC 27707
Social Worker (Clinical)
3325 DURHAM CHAPEL HILL BLVD
DURHAM, NC 27707
Counselor (Pastoral)
3325 DURHAM CHAPEL HILL BLVD, SUITE 220 CEDAR TERRACE OFFICES
DURHAM, NC 27707

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215060843, enumerated as an "organization" on March 13, 2007.

The provider is located at 3325 DURHAM CHAPEL HILL BLVD SUITE 101 DURHAM, NC 27707 and the phone number is (919) 419-0229.

Clinic/Center with taxonomy code 261QM0850X and a focus in Adult Mental Health.