DENNIS TIMOTHY NOLF CSW-PIP
NPI 1679381040
Social Worker - Clinical in Rapid City, SD

NPI Status: Active since December 18, 2024

Contact Information

909 SAINT JOSEPH ST STE 201
RAPID CITY, SD
ZIP 57701
Phone: (605) 299-9100

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  • Individual
  • Male
  • Social Worker
  • Clinical
  • Accepts Insurance

About DENNIS NOLF

This page provides the complete NPI Profile along with additional information for Dennis Nolf, a provider established in Rapid City, South Dakota with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1679381040 assigned on December 2024. The practitioner's primary taxonomy code is 1041C0700X with license number 7067 (SD). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1679381040
Provider Name
DENNIS TIMOTHY NOLF CSW-PIP
Gender
Male
Entity Type
Individual
Location Address
909 SAINT JOSEPH ST STE 201 RAPID CITY, SD 57701
Location Phone
(605) 299-9100
Mailing Address
909 SAINT JOSEPH ST STE 201 RAPID CITY, SD 57701
Mailing Phone
(231) 715-9176
Is Sole Proprietor?
Yes
Enumeration Date
12-18-2024
Last Update Date
05-14-2026
Code Navigator

A clinical social worker like Dennis Nolf 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.

Location Map

Secondary Locations

  • 224 Elk St
    Rapid City, SD 57701
    (605) 755-7710

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
License No.
7067
License State
SD
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • ConnectPlus $0 Gold - PPO
  • ConnectPlus $0 Silver - PPO
  • ConnectPlus $10,600 HSA Eligible HDHP - PPO
  • ConnectPlus $1800 - PPO
  • ConnectPlus $4500 - PPO
  • ConnectPlus $6500 HSA Eligible HDHP - PPO
  • ConnectPlus $7500 HSA Eligible HDHP - PPO
  • ConnectPlus MyWeighForward $2000 - PPO
  • ConnectPlus MyWeighForward $6000 - PPO
  • ConnectPlus Standard $2000 - PPO
  • ConnectPlus Standard $6000 - PPO
  • ConnectPlus Standard $7500 HSA Eligible HDHP - PPO
  • Sanford Individual Simplicity $1,750 - PPO
  • Sanford Individual Simplicity $10,600 - PPO
  • Sanford Individual Simplicity $3,500 - PPO
  • Sanford Individual Simplicity $4,750 - PPO
  • Sanford Individual Simplicity $6,500 - PPO
  • Sanford Individual Simplicity $7,200 HSA Qualified - PPO
  • Sanford Individual Simplicity Standardized $2,000 - PPO
  • Sanford Individual Simplicity Standardized $6,000 - PPO
  • Sanford Individual Simplicity Standardized $7,500 - PPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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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 1679381040, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
6
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 7 → 14 → 5 3 → 6 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 6 + 8 + 2 + 0 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1679381040.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Counselor (Mental Health)
909 SAINT JOSEPH ST STE 201
RAPID CITY, SD 57701
Social Worker (Clinical)
909 SAINT JOSEPH ST STE 201
RAPID CITY, SD 57701
Counselor (Mental Health)
909 SAINT JOSEPH ST STE 201
RAPID CITY, SD 57701
Counselor (Mental Health)
909 SAINT JOSEPH ST STE 201
RAPID CITY, SD 57701
Counselor
909 SAINT JOSEPH ST STE 201
RAPID CITY, SD 57701
Clinic/Center (Adult Mental Health)
909 SAINT JOSEPH ST STE 201
RAPID CITY, SD 57701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679381040, enumerated as an "individual" on December 18, 2024.

The provider is located at 909 SAINT JOSEPH ST STE 201 RAPID CITY, SD 57701 and the phone number is (605) 299-9100.

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

The provider might be accepting Accepts: Avera Health Plans and Sanford Health Plan. Please consult your insurance carrier or call the provider to verify.