MR. GREG P WILLIAMS ATC, CSCS
NPI 1922020247
Specialist in Saint Louis, MO

NPI Status: Active since July 24, 2006

Contact Information

675 OLD BALLAS RD
SUITE 210
SAINT LOUIS, MO
ZIP 63141
Phone: (314) 994-7468
Fax: (314) 994-0796

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  • Individual
  • Male
  • Specialist

About GREG WILLIAMS

This page provides the complete NPI Profile along with additional information for Greg Williams, a provider established in Saint Louis, Missouri with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1922020247 assigned on July 2006. The practitioner's primary taxonomy code is 174400000X with license number 118076 (MO). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1922020247
Provider Name
MR. GREG P WILLIAMS ATC, CSCS
Gender
Male
Entity Type
Individual
Location Address
675 OLD BALLAS RD SUITE 210 SAINT LOUIS, MO 63141
Location Phone
(314) 994-7468
Location Fax
(314) 994-0796
Mailing Address
675 OLD BALLAS RD SUITE 210 SAINT LOUIS, MO 63141
Mailing Phone
(314) 994-7468
Mailing Fax
(314) 994-0796
Is Sole Proprietor?
No
Enumeration Date
07-24-2006
Last Update Date
07-08-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
118076
License State
MO
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1922020247, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 0 + 2 + 0 + 2 + 8 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1922020247.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Physical Medicine & Rehabilitation (Sports Medicine)
675 OLD BALLAS RD, SUITE 210
SAINT LOUIS, MO 63141
Surgery
675 OLD BALLAS RD, STE 100A
SAINT LOUIS, MO 63141
Physical Therapist
675 OLD BALLAS RD, SUITE 210
SAINT LOUIS, MO 63141
Ophthalmology
675 OLD BALLAS RD, SUITE #220
ST LOUIS, MO 63141
Plastic Surgery
675 OLD BALLAS RD, STE 102
CREVE COEUR, MO 63141
Clinic/Center (Primary Care)
675 OLD BALLAS RD, SUITE 103
CREVE COEUR, MO 63141
Preventive Medicine (Occupational Medicine)
675 OLD BALLAS RD, SUITE 200
SAINT LOUIS, MO 63141
Nurse Practitioner (Women's Health)
675 OLD BALLAS RD
SAINT LOUIS, MO 63141
Physical Therapist
675 OLD BALLAS RD, SUITE 210
SAINT LOUIS, MO 63141
Ophthalmology
675 OLD BALLAS RD, SUITE #220
SAINT LOUIS, MO 63141
Physical Medicine & Rehabilitation
675 OLD BALLAS RD, SUITE 210
SAINT LOUIS, MO 63141
Physical Therapist
675 OLD BALLAS RD
CREVE COEUR, MO 63141
Nurse Practitioner
675 OLD BALLAS RD, SUITE 210
SAINT LOUIS, MO 63141
Nurse Practitioner (Adult Health)
675 OLD BALLAS RD, SUITE 210
SAINT LOUIS, MO 63141
Obstetrics & Gynecology
675 OLD BALLAS RD, SUITE 100
SAINT LOUIS, MO 63141
Internal Medicine
675 OLD BALLAS RD, SUITE 101
SAINT LOUIS, MO 63141
Physical Therapist
675 OLD BALLAS RD
CREVE COEUR, MO 63141
Physical Therapist
675 OLD BALLAS RD
CREVE COEUR, MO 63141

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1922020247, enumerated as an "individual" on July 24, 2006.

The provider is located at 675 OLD BALLAS RD SUITE 210 SAINT LOUIS, MO 63141 and the phone number is (314) 994-7468.

Specialist with taxonomy code 174400000X.