JOHN C. KNUDSEN M.D.
NPI 1083688790
Specialist in Mount Vernon, WA

NPI Status: Active since February 17, 2006

Contact Information

111 N 17TH ST
MOUNT VERNON, WA
ZIP 98273
Phone: (360) 424-4627
Fax: (360) 848-6327

Get Directions Write a Review

  • Individual
  • Male
  • Specialist

About JOHN KNUDSEN

This page provides the complete NPI Profile along with additional information for John Knudsen, a provider established in Mount Vernon, Washington with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1083688790 assigned on February 2006. The practitioner's primary taxonomy code is 174400000X with license number MD0016795 (WA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1083688790
Provider Name
JOHN C. KNUDSEN M.D.
Gender
Male
Entity Type
Individual
Location Address
111 N 17TH ST MOUNT VERNON, WA 98273
Location Phone
(360) 424-4627
Location Fax
(360) 848-6327
Mailing Address
111 N 17TH ST MOUNT VERNON, WA 98273
Mailing Phone
(360) 424-4627
Mailing Fax
(360) 848-6327
Is Sole Proprietor?
Yes
Enumeration Date
02-17-2006
Last Update Date
07-08-2007
Code Navigator

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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
MD0016795
License State
WA
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
1647809MEDICAID (05)WA 
A09011MEDICARE UPIN (02)WA 

Reviews for JOHN C. KNUDSEN M.D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1083688790, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 2 + 8 + 1 + 6 + 7 + 1 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1083688790.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Obstetrics & Gynecology
111 N 17TH ST
MOUNT VERNON, WA 98273
Nurse Practitioner (Women's Health)
111 N 17TH ST
MOUNT VERNON, WA 98273
Occupational Therapist
111 N 17TH ST
MOUNT VERNON, WA 98273
Physical Therapist
111 N 17TH ST
MOUNT VERNON, WA 98273

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083688790, enumerated as an "individual" on February 17, 2006.

The provider is located at 111 N 17TH ST MOUNT VERNON, WA 98273 and the phone number is (360) 424-4627.

Specialist with taxonomy code 174400000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.