JOHN DAVID NYDAHL D.D.S.
NPI 1508869371
Dentist - Endodontics in Saint Cloud, MN

NPI Status: Active since May 24, 2005

Contact Information

1011 2ND ST N
STE 101
SAINT CLOUD, MN
ZIP 56303
Phone: (320) 253-0744
Fax: (320) 253-9930

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  • Individual
  • Male
  • Dentist
  • Endodontics

About JOHN NYDAHL

This page provides the complete NPI Profile along with additional information for John Nydahl, a provider established in Saint Cloud, Minnesota with a medical specialization in Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1508869371 assigned on May 2005. The practitioner's primary taxonomy code is 1223E0200X with license number D8204 (MN). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1508869371
Provider Name
JOHN DAVID NYDAHL D.D.S.
Gender
Male
Entity Type
Individual
Location Address
1011 2ND ST N STE 101 SAINT CLOUD, MN 56303
Location Phone
(320) 253-0744
Location Fax
(320) 253-9930
Mailing Address
1011 2ND ST N STE 101 SAINT CLOUD, MN 56303
Mailing Phone
(320) 253-0744
Mailing Fax
(320) 253-9930
Is Sole Proprietor?
No
Enumeration Date
05-24-2005
Last Update Date
07-08-2007
Code Navigator

A dentist like John Nydahl is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist Endodontics

Taxonomy Code
1223E0200X
Type
Dental Providers
License No.
D8204
License State
MN
Taxonomy Description
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.

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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 1508869371, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
1
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 0 → 0 8 → 16 → 7 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 6 + 6 + 1 + 8 + 3 + 1 + 4 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1508869371.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Dentist (General Practice)
1011 2ND ST N, SUITE 102
SAINT CLOUD, MN 56303
Clinic/Center (Dental)
1011 2ND ST N, SUITE#201
SAINT CLOUD, MN 56303
Dentist (General Practice)
1011 2ND ST N, STE 102
SAINT CLOUD, MN 56303

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508869371, enumerated as an "individual" on May 24, 2005.

The provider is located at 1011 2ND ST N STE 101 SAINT CLOUD, MN 56303 and the phone number is (320) 253-0744.

Dentist with taxonomy code 1223E0200X and a focus in Endodontics.