RONALD D FARRIS DDM, LD
NPI 1952584237
Denturist in Gresham, OR

NPI Status: Active since December 10, 2007

Contact Information

21511 SE STARK ST
GRESHAM, OR
ZIP 97030
Phone: (503) 666-1698
Fax: (503) 666-7734

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  • Individual
  • Male
  • Denturist

About RONALD FARRIS

This page provides the complete NPI Profile along with additional information for Ronald Farris, a provider established in Gresham, Oregon with a medical specialization in Denturist. The healthcare provider is registered in the NPI registry with number 1952584237 assigned on December 2007. The practitioner's primary taxonomy code is 122400000X with license number DT-DO-605320 (OR). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1952584237
Provider Name
RONALD D FARRIS DDM, LD
Gender
Male
Entity Type
Individual
Location Address
21511 SE STARK ST GRESHAM, OR 97030
Location Phone
(503) 666-1698
Location Fax
(503) 666-7734
Mailing Address
21511 SE STARK ST GRESHAM, OR 97030
Mailing Phone
(503) 666-1698
Mailing Fax
(503) 666-7734
Is Sole Proprietor?
Yes
Enumeration Date
12-10-2007
Last Update Date
12-10-2007
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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

Denturist

Taxonomy Code
122400000X
Type
Dental Providers
License No.
DT-DO-605320
License State
OR
Taxonomy Description
A denturist is a licensed professional that serves patients with removable dental prosthetic oral health needs. A licensed denturist is trained in removable dental prosthetics and the fabrication of such devices.

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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 1952584237, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
7
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 5 → 10 → 1 5 → 10 → 1 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 1 + 0 + 8 + 8 + 2 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1952584237.

Other Providers at the Same Location


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

Denturist
21511 SE STARK ST
GRESHAM, OR 97030

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952584237, enumerated as an "individual" on December 10, 2007.

The provider is located at 21511 SE STARK ST GRESHAM, OR 97030 and the phone number is (503) 666-1698.

Denturist with taxonomy code 122400000X.