DR STEPHEN W HOLST MD
NPI 1043379472
Urology in Sheridan, WY

NPI Status: Active since December 08, 2006

Contact Information

340 WEST DOW STREET
SHERIDAN, WY
ZIP 82801
Phone: (307) 672-1806
Fax: (307) 672-1808

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  • Organization
  • Urology
  • Accepts Insurance
  • CLIA Number: 53D2327574
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 07-23-2027

About DR STEPHEN W HOLST MD

This page provides the complete NPI Profile along with additional information for Dr Stephen W Holst Md, a provider established in Sheridan, Wyoming operating as a Urology. The healthcare provider is registered in the NPI registry with number 1043379472 assigned on December 2006. The practitioner's primary taxonomy code is 208800000X with license number 5434A (WY). The provider is registered as an organization and their NPI record was last updated 16 years ago. Dr Stephen W Holst Md operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's other name is Dr Stephen W Holst Md. The authorized official of this NPI record is Dr. Stephen Wilson Holst Md (President Big Horn Urology Pc)

NPI
1043379472
Provider Legal Name
BIG HORN UROLOGY PC
Other Organization Name
DR STEPHEN W HOLST MD
Other Name Type
Other Name (5)
Entity Type
Organization
Location Address
340 WEST DOW STREET SHERIDAN, WY 82801
Location Phone
(307) 672-1806
Location Fax
(307) 672-1808
Mailing Address
340 WEST DOW STREET SHERIDAN, WY 82801
Mailing Phone
(307) 672-1806
Mailing Fax
(307) 672-1808
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-08-2006
Last Update Date
06-10-2010
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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

Urology

Taxonomy Code
208800000X
Type
Allopathic & Osteopathic Physicians
License No.
5434A
License State
WY
Taxonomy Description
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

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)
1208800000XAllopathic & Osteopathic Physicians

Urology

2157 (CO)

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.

Insurance Plans Accepted

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

  • BlueSelect Bronze Basic - PPO
  • BlueSelect Bronze Core - PPO
  • BlueSelect Expanded Bronze Standard without Kid's Dental - PPO
  • BlueSelect Gold Core - PPO
  • BlueSelect Gold HealthPlus - PPO
  • BlueSelect Gold Standard without Kid's Dental - PPO
  • BlueSelect Silver Classic - PPO
  • BlueSelect Silver Classic without Kid's Dental - PPO
  • BlueSelect Silver HealthPlus - PPO
  • BlueSelect Silver HealthPlus without Kid's Dental - PPO
  • BlueSelect Silver Standard without Kid's Dental - PPO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

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

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

DR. STEPHEN WILSON HOLST MD

Authorized Official Title
PRESIDENT BIG HORN UROLOGY PC
Authorized Official Phone
(307) 672-1806

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
306592OTHER (01)WYBLUE CROSS BLUE SHIELD
E80847MEDICARE UPIN (02) 
109407600MEDICAID (05)WY 
W9922MEDICARE ID-TYPE UNSPECIFIED (04)WY 

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
53D2327574
Facility Type
Physician Office
Certificate Effective Date
July 24, 2025
Certificate Expiration Date
July 23, 2027
Laboratory Director
SARA C. MAGUIRE
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Dr Stephen W Holst Md 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 1043379472, 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
0
Unchanged
Pos 3
4
Doubled → 8
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 3 → 6 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 6 + 7 + 1 + 8 + 4 + 1 + 4 + 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 1043379472.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Urology
340 WEST DOW STREET
SHERIDAN, WY 82801

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043379472, enumerated as an "organization" on December 08, 2006.

The provider is located at 340 WEST DOW STREET SHERIDAN, WY 82801 and the phone number is (307) 672-1806.

Urology with taxonomy code 208800000X.

The provider might be accepting Accepts: Blue Cross Blue Shield of Wyoming, Blue Cross Blue. Please consult your insurance carrier or call the provider to verify.