ASHLEY NIERMAN CSW
NPI 1285592923
Counselor in Sioux Falls, SD

NPI Status: Active since January 12, 2026

Contact Information

1321 W 22ND ST
SIOUX FALLS, SD
ZIP 57105
Phone: (605) 312-5350

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  • Individual
  • Female
  • Years of Experience 1
  • Counselor
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About ASHLEY NIERMAN

This page provides the complete NPI Profile along with additional information for Ashley Nierman, a provider established in Sioux Falls, South Dakota with a medical specialization in Counselor and more than one year of experience. The healthcare provider is registered in the NPI registry with number 1285592923 assigned on January 2026. The practitioner's primary taxonomy code is 101Y00000X with license number 6877 (SD). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1285592923
Provider Name
ASHLEY NIERMAN CSW
Other Name
ASHLEY BLOCKER
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
1321 W 22ND ST SIOUX FALLS, SD 57105
Location Phone
(605) 312-5350
Mailing Address
1321 W 22ND ST SIOUX FALLS, SD 57105
Mailing Phone
(605) 312-5350
Medical School Name
OTHER
Graduation Year
2025
Is Sole Proprietor?
No
Enumeration Date
01-12-2026
Last Update Date
05-15-2026
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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

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
License No.
6877
License State
SD
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

Medicare Participation & PECOS Enrollment Status

Ashley Nierman is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Ashley Nierman is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 9931689981

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20260218000417

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Maybe

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

Reviews for ASHLEY NIERMAN CSW

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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 1285592923, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
9
Unchanged
Pos 9
2
Doubled → 4
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 8 → 16 → 7 5 → 10 → 1 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 1 + 0 + 9 + 4 + 9 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1285592923.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Genetic Counselor, MS
1321 W 22ND ST
SIOUX FALLS, SD 57105
Genetic Counselor, MS
1321 W 22ND ST
SIOUX FALLS, SD 57105
Pathology (Clinical Laboratory Director, Non-physician)
1321 W 22ND ST
SIOUX FALLS, SD 57105
Genetic Counselor, MS
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine (Rheumatology)
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine (Rheumatology)
1321 W 22ND ST
SIOUX FALLS, SD 57105
Pediatrics
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine (Rheumatology)
1321 W 22ND ST
SIOUX FALLS, SD 57105
Social Worker (Clinical)
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine (Rheumatology)
1321 W 22ND ST
SIOUX FALLS, SD 57105
Nurse Practitioner
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine
1321 W 22ND ST
SIOUX FALLS, SD 57105
Allergy & Immunology
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine
1321 W 22ND ST
SIOUX FALLS, SD 57105
Clinical Medical Laboratory
1321 W 22ND ST
SIOUX FALLS, SD 57105
Internal Medicine
1321 W 22ND ST
SIOUX FALLS, SD 57105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285592923, enumerated as an "individual" on January 12, 2026.

The provider is located at 1321 W 22ND ST SIOUX FALLS, SD 57105 and the phone number is (605) 312-5350.

Counselor with taxonomy code 101Y00000X.