DAVID P RUOFF MD INC PS
NPI 1891811725
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Renton, WA

NPI Status: Active since March 22, 2007

Contact Information

4361 TALBOT RD S STE 102
RENTON, WA
ZIP 98055
Phone: (425) 226-1180
Fax: (425) 235-0695

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  • Organization
  • Orthopaedic Surgery
  • Adult Reconstructive Orthopaedic Surgery

About DAVID P RUOFF MD INC PS

This page provides the complete NPI Profile along with additional information for David P Ruoff Md Inc Ps, a provider established in Renton, Washington operating as a Orthopaedic Surgery, focusing in adult reconstructive orthopaedic surgery . The healthcare provider is registered in the NPI registry with number 1891811725 assigned on March 2007. The practitioner's primary taxonomy code is 207XS0114X with license number MD00025165 (WA). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. David P Ruoff Md (President)

NPI
1891811725
Provider Name
DAVID P RUOFF MD INC PS
Entity Type
Organization
Location Address
4361 TALBOT RD S STE 102 RENTON, WA 98055
Location Phone
(425) 226-1180
Location Fax
(425) 235-0695
Mailing Address
4361 TALBOT RD S STE 102 RENTON, WA 98055
Mailing Phone
(425) 226-1180
Mailing Fax
(425) 235-0695
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-22-2007
Last Update Date
08-22-2020
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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

Orthopaedic Surgery Adult Reconstructive Orthopaedic Surgery

Taxonomy Code
207XS0114X
Type
Allopathic & Osteopathic Physicians
License No.
MD00025165
License State
WA
Taxonomy Description
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. DAVID P RUOFF MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(425) 226-1180

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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 1891811725, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 6 + 1 + 2 + 7 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1891811725.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Orthopaedic Surgery (Hand Surgery)
4361 TALBOT RD S STE 102
RENTON, WA 98055
Orthopaedic Surgery (Sports Medicine)
4361 TALBOT RD S STE 102
RENTON, WA 98055

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891811725, enumerated as an "organization" on March 22, 2007.

The provider is located at 4361 TALBOT RD S STE 102 RENTON, WA 98055 and the phone number is (425) 226-1180.

Orthopaedic Surgery with taxonomy code 207XS0114X and a focus in Adult Reconstructive Orthopaedic Surgery.