GRASSROOTS PHYSICAL THERAPY
NPI 1831022961
Physical Therapist - Orthopedic in Bozeman, MT

NPI Status: Active since June 08, 2026

Contact Information

2011 N 22ND AVE STE 4B
BOZEMAN, MT
ZIP 59718
Phone: (385) 226-5481

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  • Organization
  • Physical Therapist
  • Orthopedic

About GRASSROOTS PHYSICAL THERAPY

This page provides the complete NPI Profile along with additional information for Grassroots Physical Therapy, a provider established in Bozeman, Montana operating as a Physical Therapist, focusing in orthopedic . The healthcare provider is registered in the NPI registry with number 1831022961 assigned on June 2026. The practitioner's primary taxonomy code is 2251X0800X. The provider is registered as an organization and their NPI record was last updated June 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. Esther Ellen Smith Dpt (Owner)

NPI
1831022961
Provider Name
GRASSROOTS PHYSICAL THERAPY
Entity Type
Organization
Location Address
2011 N 22ND AVE STE 4B BOZEMAN, MT 59718
Location Phone
(385) 226-5481
Mailing Address
2011 N 22ND AVE STE 4B BOZEMAN, MT 59718
Mailing Phone
(385) 226-5481
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-08-2026
Last Update Date
06-08-2026
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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

Physical Therapist Orthopedic

Taxonomy Code
2251X0800X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Description
A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Orthopaedic Physical Therapy, who has demonstrated specialized knowledge and skill in human anatomy and physiology, movement science; pathology/pathophysiology, pain science, medical and surgical considerations, orthopaedic physical therapy theory and practice, and critical inquiry for evidence-based practice.

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. ESTHER ELLEN SMITH DPT

Authorized Official Title
OWNER
Authorized Official Phone
(385) 226-5481

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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 1831022961, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
1
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 3 → 6 0 → 0 2 → 4 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 0 + 2 + 4 + 9 + 1 + 2 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1831022961.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831022961, enumerated as an "organization" on June 08, 2026.

The provider is located at 2011 N 22ND AVE STE 4B BOZEMAN, MT 59718 and the phone number is (385) 226-5481.

Physical Therapist with taxonomy code 2251X0800X and a focus in Orthopedic.