DAVID GUMM PHD
NPI 1689617532
Clinical Neuropsychologist in Billings, MT

NPI Status: Active since June 14, 2006

Contact Information

1101 N 27TH ST
SUITE 201
BILLINGS, MT
ZIP 59101
Phone: (406) 237-3585
Fax: (406) 237-3586

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  • Individual
  • Male
  • Clinical Neuropsychologist

About DAVID GUMM

This page provides the complete NPI Profile along with additional information for David Gumm, a provider established in Billings, Montana with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1689617532 assigned on June 2006. The practitioner's primary taxonomy code is 103G00000X with license number 245 (MT). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1689617532
Provider Name
DAVID GUMM PHD
Gender
Male
Entity Type
Individual
Location Address
1101 N 27TH ST SUITE 201 BILLINGS, MT 59101
Location Phone
(406) 237-3585
Location Fax
(406) 237-3586
Mailing Address
1101 N 27TH ST SUITE 201 BILLINGS, MT 59101
Mailing Phone
(406) 237-3585
Mailing Fax
(406) 237-3586
Is Sole Proprietor?
No
Enumeration Date
06-14-2006
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

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
License No.
245
License State
MT
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.

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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 1689617532, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
Check
2
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 8 → 16 → 7 6 → 12 → 3 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 2 + 1 + 1 + 4 + 5 + 6 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1689617532.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Counselor (Professional)
1101 N 27TH ST, SUITE 201
BILLINGS, MT 59101
Counselor (Professional)
1101 N 27TH ST, SUITE 201
BILLINGS, MT 59101
Counselor (Professional)
1101 N 27TH ST, SUITE 201
BILLINGS, MT 59101
Psychiatry & Neurology (Psychiatry)
1101 N 27TH ST
BILLINGS, MT 59101
Clinical Neuropsychologist
1101 N 27TH ST, SUITE 201
BILLINGS, MT 59101
Internal Medicine (Cardiovascular Disease)
1101 N 27TH ST, SUITE F
BILLINGS, MT 59101
Physician Assistant
1101 N 27TH ST, SUITE F
BILLINGS, MT 59101
Audiologist
1101 N 27TH ST, SUITE E
BILLINGS, MT 59101
Internal Medicine (Cardiovascular Disease)
1101 N 27TH ST, SUITE F
BILLINGS, MT 59101
Family Medicine
1101 N 27TH ST, SUITE F
BILLINGS, MT 59101
Audiologist
1101 N 27TH ST, SUITE E
BILLINGS, MT 59101
Clinic/Center
1101 N 27TH ST, SUITE 101
BILLINGS, MT 59101
Physician Assistant
1101 N 27TH ST, STE 101
BILLINGS, MT 59101
Physician Assistant
1101 N 27TH ST, STE 101
BILLINGS, MT 59101
Clinic/Center (Mental Health (Including Community Mental Health Center))
1101 N 27TH ST, SUITE 201
BILLINGS, MT 59101
Clinic/Center (Hearing and Speech)
1101 N 27TH ST, SUITE E
BILLINGS, MT 59101
Hearing Aid Equipment
1101 N 27TH ST, STE E
BILLINGS, MT 59101

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689617532, enumerated as an "individual" on June 14, 2006.

The provider is located at 1101 N 27TH ST SUITE 201 BILLINGS, MT 59101 and the phone number is (406) 237-3585.

Clinical Neuropsychologist with taxonomy code 103G00000X.