JACK B SCHAFFER PHD PA
NPI 1891964086
Clinical Neuropsychologist in Saint Paul, MN

NPI Status: Active since February 21, 2008

Contact Information

1790 GOODRICH AVE
SAINT PAUL, MN
ZIP 55105
Phone: (651) 699-4751

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  • Organization
  • Clinical Neuropsychologist

About JACK B SCHAFFER PHD PA

This page provides the complete NPI Profile along with additional information for Jack B Schaffer Phd Pa, a provider established in Saint Paul, Minnesota operating as a Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1891964086 assigned on February 2008. The practitioner's primary taxonomy code is 103G00000X with license number LP0311 (MN). The provider is registered as an organization and their NPI record was last updated 18 years ago. 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. Jack B Schaffer (President)

NPI
1891964086
Provider Name
JACK B SCHAFFER PHD PA
Entity Type
Organization
Location Address
1790 GOODRICH AVE SAINT PAUL, MN 55105
Location Phone
(651) 699-4751
Mailing Address
1790 GOODRICH AVE SAINT PAUL, MN 55105
Mailing Phone
(651) 699-4751
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-21-2008
Last Update Date
02-21-2008
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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

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
License No.
LP0311
License State
MN
Taxonomy Description
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

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. JACK B SCHAFFER

Authorized Official Title
PRESIDENT
Authorized Official Phone
(651) 699-4751

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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 1891964086, 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 9 → 18 → 9 9 → 18 → 9 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 8 + 6 + 8 + 0 + 1 + 6 + 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 1891964086.

Other Providers at the Same Location


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

Clinical Neuropsychologist
1790 GOODRICH AVE
SAINT PAUL, MN 55105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891964086, enumerated as an "organization" on February 21, 2008.

The provider is located at 1790 GOODRICH AVE SAINT PAUL, MN 55105 and the phone number is (651) 699-4751.

Clinical Neuropsychologist with taxonomy code 103G00000X.