BENJAMIN STCLAIR DO LLC
NPI 1215865589
Allergy & Immunology in Provo, UT

NPI Status: Active since May 08, 2026

Contact Information

745 N 500 W STE 200
PROVO, UT
ZIP 84601
Phone: (801) 375-9292
Fax: (801) 375-9290

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  • Organization
  • Allergy & Immunology

About BENJAMIN STCLAIR DO LLC

This page provides the complete NPI Profile along with additional information for Benjamin Stclair Do Llc, a provider established in Provo, Utah operating as a Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1215865589 assigned on May 2026. The practitioner's primary taxonomy code is 207K00000X. The provider is registered as an organization and their NPI record was last updated May 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Benjamin David St Clair Do (Doctor)

NPI
1215865589
Provider Name
BENJAMIN STCLAIR DO LLC
Entity Type
Organization
Location Address
745 N 500 W STE 200 PROVO, UT 84601
Location Phone
(801) 375-9292
Location Fax
(801) 375-9290
Mailing Address
745 N 500 W STE 200 PROVO, UT 84601
Mailing Phone
(801) 375-9292
Mailing Fax
(801) 375-9290
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-08-2026
Last Update Date
05-08-2026
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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

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

DR. BENJAMIN DAVID ST CLAIR DO

Authorized Official Title
DOCTOR
Authorized Official Phone
(801) 375-9292

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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 1215865589, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
1
Doubled → 2
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
5
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
9
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 1 → 2 8 → 16 → 7 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 2 + 5 + 1 + 6 + 6 + 1 + 0 + 5 + 1 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1215865589.

Other Providers at the Same Location


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

Allergy & Immunology
745 N 500 W STE 200
PROVO, UT 84601
Allergy & Immunology
745 N 500 W STE 200
PROVO, UT 84601

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215865589, enumerated as an "organization" on May 08, 2026.

The provider is located at 745 N 500 W STE 200 PROVO, UT 84601 and the phone number is (801) 375-9292.

Allergy & Immunology with taxonomy code 207K00000X.