HARDY AND HARDY CHIROPRACTIC LLC
NPI 1629917976
Chiropractor in Chesterfield, MO

NPI Status: Active since March 25, 2026

Contact Information

100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO
ZIP 63005
Phone: (636) 254-6229

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  • Organization
  • Chiropractor

About HARDY AND HARDY CHIROPRACTIC LLC

This page provides the complete NPI Profile along with additional information for Hardy And Hardy Chiropractic Llc, a provider established in Chesterfield, Missouri operating as a Chiropractor. The healthcare provider is registered in the NPI registry with number 1629917976 assigned on March 2026. The practitioner's primary taxonomy code is 111N00000X. The provider is registered as an organization and their NPI record was last updated March 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. Annelise Hardy Dc (Owner)

NPI
1629917976
Provider Name
HARDY AND HARDY CHIROPRACTIC LLC
Entity Type
Organization
Location Address
100 CHESTERFIELD BUSINESS PKWY FL 2 CHESTERFIELD, MO 63005
Location Phone
(636) 254-6229
Mailing Address
100 CHESTERFIELD BUSINESS PKWY FL 2 CHESTERFIELD, MO 63005
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-25-2026
Last Update Date
03-25-2026
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A chiropractor like Hardy And Hardy Chiropractic Llc helps patients with problems of the neuromusculoskeletal system, which includes nerves, bones, muscles, ligaments, and tendons. Chiropractors use spinal adjustments and manipulation, as well as other clinical interventions, to manage health issues such as back and neck pain. Some chiropractors apply procedures like massage therapy, rehabilitative exercise, ultrasound and spinal adjustments and manipulation. A chiropractor focuses on the patients overall health and might refer patients to other healthcare professionals if necessary.

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

Chiropractor

Taxonomy Code
111N00000X
Type
Chiropractic Providers
Taxonomy Description
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

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. ANNELISE HARDY DC

Authorized Official Title
OWNER
Authorized Official Phone
(636) 577-8754

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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 1629917976, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
2
Doubled → 4
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
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 2 → 4 9 → 18 → 9 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 4 + 9 + 1 + 8 + 1 + 1 + 4 + 9 + 1 + 4 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1629917976.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

In Home Supportive Care
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
Counselor (Professional)
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
Home Health
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
Social Worker
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
Family Medicine
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
Nurse Practitioner (Family)
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
General Practice
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
In Home Supportive Care
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
Behavior Analyst
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
General Practice
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
In Home Supportive Care
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005
Chiropractor
100 CHESTERFIELD BUSINESS PKWY FL 2
CHESTERFIELD, MO 63005

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1629917976, enumerated as an "organization" on March 25, 2026.

The provider is located at 100 CHESTERFIELD BUSINESS PKWY FL 2 CHESTERFIELD, MO 63005 and the phone number is (636) 254-6229.

Chiropractor with taxonomy code 111N00000X.