BIGHORN SURGERY CENTER LLC
NPI 1508657545
Clinic/Center - Ambulatory Surgical in Billings, MT
NPI Status: Active since May 16, 2025
Contact Information
3415 AVENUE E
BILLINGS, MT
ZIP 59102
Phone: (406) 248-3303
- Organization
- Clinic/Center
- Ambulatory Surgical
- CLIA Number: 27D2330763
- CLIA Cert. Type: Ambulatory Surgery Center
- CLIA Exp. Date: 09-21-2027
About BIGHORN SURGERY CENTER LLC
This page provides the complete NPI Profile along with additional information for Bighorn Surgery Center Llc, a provider established in Billings, Montana operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1508657545 assigned on May 2025. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated February 2026. Bighorn Surgery Center Llc 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 Brady Keller Dmd (Owner)
- NPI
- 1508657545
- Provider Name
- BIGHORN SURGERY CENTER LLC
- Entity Type
- Organization
- Location Address
- 3415 AVENUE E BILLINGS, MT 59102
- Location Phone
- (406) 248-3303
- Mailing Address
- 3415 AVENUE E BILLINGS, MT 59102
- Mailing Phone
- (406) 661-9366
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 05-16-2025
- Last Update Date
- 02-23-2026
- Code Navigator
Location Map
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 Ambulatory Surgical
- Taxonomy Code
- 261QA1903X
- 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) |
|---|---|---|---|---|
| 1 | 122300000X | Dental Providers | Dentist | |
| 2 | 1223D0004X | Dental Providers | Dentist | |
| 3 | 1223E0200X | Dental Providers | Dentist | |
| 4 | 1223G0001X | Dental Providers | Dentist | |
| 5 | 1223P0106X | Dental Providers | Dentist | |
| 6 | 1223P0221X | Dental Providers | Dentist | |
| 7 | 1223P0300X | Dental Providers | Dentist | |
| 8 | 1223P0700X | Dental Providers | Dentist | |
| 9 | 1223X0008X | Dental Providers | Dentist | |
| 10 | 1223X0400X | Dental Providers | Dentist | |
| 11 | 1223X2210X | Dental Providers | Dentist | |
| 12 | 126800000X | Dental Providers | Dental Assistant | |
| 13 | 261QD0000X | Ambulatory Health Care Facilities | Clinic/Center | |
| 14 | 261QS0112X | Ambulatory Health Care Facilities | Clinic/Center |
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.
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
- 27D2330763
- Facility Type
- Ambulatory Surgery Center
- Certificate Effective Date
- September 22, 2025
- Certificate Expiration Date
- September 21, 2027
- Laboratory Director
- RYAN K. LARSEN
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Bighorn Surgery Center Llc 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 1508657545, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 65 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1508657545, enumerated as an "organization" on May 16, 2025.
The provider is located at 3415 AVENUE E BILLINGS, MT 59102 and the phone number is (406) 248-3303.
Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.
