ASTIA HEALTH CLINICAL SERVICES, SC
NPI 1649647462
Clinic/Center - Urgent Care in Marshfield, WI

NPI Status: Active since August 27, 2015

Contact Information

630 S CENTRAL AVE STE 303
MARSHFIELD, WI
ZIP 54449
Phone: (715) 898-1298

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  • Organization
  • Clinic/Center
  • Urgent Care
  • CLIA Number: 52D2175788
  • CLIA Cert. Type: Other - NEAR SITE CLINIC
  • CLIA Exp. Date: 12-01-2025

About ASTIA HEALTH CLINICAL SERVICES, SC

This page provides the complete NPI Profile along with additional information for Astia Health Clinical Services, Sc, a provider established in Marshfield, Wisconsin operating as a Clinic/center, focusing in urgent care . The healthcare provider is registered in the NPI registry with number 1649647462 assigned on August 2015. The practitioner's primary taxonomy code is 261QU0200X. The provider is registered as an organization and their NPI record was last updated December 2025. Astia Health Clinical Services, Sc 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 Alexander Sommers Md (Ceo)

NPI
1649647462
Provider Name
ASTIA HEALTH CLINICAL SERVICES, SC
Entity Type
Organization
Location Address
630 S CENTRAL AVE STE 303 MARSHFIELD, WI 54449
Location Phone
(715) 898-1298
Mailing Address
664 COMMUNITY CIR MARATHON, WI 54448
Mailing Phone
(715) 317-5846
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-27-2015
Last Update Date
12-26-2025
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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 Urgent Care

Taxonomy Code
261QU0200X
Type
Ambulatory Health Care Facilities

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)
1208D00000XAllopathic & Osteopathic Physicians

General Practice

 

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.

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

ALEXANDER SOMMERS MD

Authorized Official Title
CEO
Authorized Official Phone
(414) 350-4400

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
52D2175788
Facility Type
Other - NEAR SITE CLINIC
Certificate Effective Date
December 02, 2023
Certificate Expiration Date
December 01, 2025
Laboratory Director
DR. ALEXANDER L. SOMMERS
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Astia Health Clinical Services, Sc 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 1649647462, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
2
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 4 → 8 6 → 12 → 3 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 + 6 + 8 + 9 + 1 + 2 + 4 + 1 + 4 + 4 + 1 + 2 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1649647462.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
630 S CENTRAL AVE STE 303
MARSHFIELD, WI 54449
Nurse Practitioner (Family)
630 S CENTRAL AVE STE 303
MARSHFIELD, WI 54449

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649647462, enumerated as an "organization" on August 27, 2015.

The provider is located at 630 S CENTRAL AVE STE 303 MARSHFIELD, WI 54449 and the phone number is (715) 898-1298.

Clinic/Center with taxonomy code 261QU0200X and a focus in Urgent Care.