DR. JOHN DAVID WALKER M.D.
NPI 1649284829
Specialist in Kalispell, MT

NPI Status: Active since July 27, 2006

Contact Information

310 SUNNYVIEW LN
KALISPELL, MT
ZIP 59901
Phone: (406) 752-1789
Fax: (406) 751-5776

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  • Individual
  • Male
  • Specialist

About JOHN WALKER

This page provides the complete NPI Profile along with additional information for John Walker, a provider established in Kalispell, Montana with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1649284829 assigned on July 2006. The practitioner's primary taxonomy code is 174400000X with license number 7479 (MT). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1649284829
Provider Name
DR. JOHN DAVID WALKER M.D.
Gender
Male
Entity Type
Individual
Location Address
310 SUNNYVIEW LN KALISPELL, MT 59901
Location Phone
(406) 752-1789
Location Fax
(406) 751-5776
Mailing Address
PO BOX 8432 KALISPELL, MT 59904
Is Sole Proprietor?
No
Enumeration Date
07-27-2006
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.
7479
License State
MT
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 1649284829, we treat the final digit (9) 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 81. The final step is to find the difference between that total and the next multiple of ten (90 - 81 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 4 + 8 + 8 + 8 + 4 + 24 = 81

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

The next multiple of ten after 81 is 90. The difference is the calculated check digit.

90 - 81 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1649284829.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist
310 SUNNYVIEW LN
KALISPELL, MT 59901
Nurse Anesthetist, Certified Registered
310 SUNNYVIEW LN
KALISPELL, MT 59901
Nurse Anesthetist, Certified Registered
310 SUNNYVIEW LN
KALISPELL, MT 59901
Clinic/Center
310 SUNNYVIEW LN
KALISPELL, MT 59901
Emergency Medicine
310 SUNNYVIEW LN, EMERGENCY DEPT
KALISPELL, MT 59901
Anesthesiology
310 SUNNYVIEW LN
KALISPELL, MT 59901
Anesthesiology
310 SUNNYVIEW LN
KALISPELL, MT 59901
Anesthesiology
310 SUNNYVIEW LN
KALISPELL, MT 59901
Anesthesiology
310 SUNNYVIEW LN
KALISPELL, MT 59901
Anesthesiology
310 SUNNYVIEW LN
KALISPELL, MT 59901
Anesthesiology
310 SUNNYVIEW LN
KALISPELL, MT 59901
Hospitalist
310 SUNNYVIEW LN
KALISPELL, MT 59901
Anesthesiology
310 SUNNYVIEW LN
KALISPELL, MT 59901
Pediatrics (Neonatal-Perinatal Medicine)
310 SUNNYVIEW LN
KALISPELL, MT 59901
Pathology (Anatomic Pathology & Clinical Pathology)
310 SUNNYVIEW LN, GLACIER REGIONAL PATHOLOGY
KALISPELL, MT 59901
Anesthesiology
310 SUNNYVIEW LN
KALISPELL, MT 59901
Pharmacist
310 SUNNYVIEW LN, PHARMACY
KALISPELL, MT 59901
Pharmacist
310 SUNNYVIEW LN
KALISPELL, MT 59901
Pharmacist
310 SUNNYVIEW LN
KALISPELL, MT 59901
Pharmacy Technician
310 SUNNYVIEW LN, PHARMACY
KALISPELL, MT 59901

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649284829, enumerated as an "individual" on July 27, 2006.

The provider is located at 310 SUNNYVIEW LN KALISPELL, MT 59901 and the phone number is (406) 752-1789.

Specialist with taxonomy code 174400000X.