GREGORY JOEL KOSKI M.D.
NPI 1144336132
Orthopaedic Surgery in Portland, OR

NPI Status: Active since August 22, 2006

Contact Information

9427 SW BARNES RD
MOTHER JOSEPH PLAZA
PORTLAND, OR
ZIP 97225
Phone: (503) 203-2040

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  • Individual
  • Male
  • Orthopaedic Surgery

About GREGORY KOSKI

This page provides the complete NPI Profile along with additional information for Gregory Koski, a provider established in Portland, Oregon with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1144336132 assigned on August 2006. The practitioner's primary taxonomy code is 207X00000X with license number MD14566 (OR). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1144336132
Provider Name
GREGORY JOEL KOSKI M.D.
Gender
Male
Entity Type
Individual
Location Address
9427 SW BARNES RD MOTHER JOSEPH PLAZA PORTLAND, OR 97225
Location Phone
(503) 203-2040
Mailing Address
9427 SW BARNES RD SUITE 200 PORTLAND, OR 97225
Mailing Phone
(503) 203-2140
Is Sole Proprietor?
Yes
Enumeration Date
08-22-2006
Last Update Date
07-12-2007
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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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD14566
License State
OR
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

MD00034566 (WA)
2207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

G45853 (CA)

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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 1144336132, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 6 + 3 + 1 + 2 + 1 + 6 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1144336132.

Other Providers at the Same Location


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

Dermatology
9427 SW BARNES RD, SUITE 495
PORTLAND, OR 97225
Dermatology
9427 SW BARNES RD, SUITE 495
PORTLAND, OR 97225
Psychiatry & Neurology (Neurology)
9427 SW BARNES RD, SUITE 595
PORTLAND, OR 97225
Internal Medicine
9427 SW BARNES RD, SUITE 590
PORTLAND, OR 97225
Nurse Practitioner (Family)
9427 SW BARNES RD, SUITE 395
PORTLAND, OR 97225
Psychiatry & Neurology (Neurology)
9427 SW BARNES RD, SUITE 595
PORTLAND, OR 97225
Internal Medicine (Cardiovascular Disease)
9427 SW BARNES RD, STE 498
PORTLAND, OR 97225
Specialist
9427 SW BARNES RD, STE 498
PORTLAND, OR 97225
Specialist
9427 SW BARNES RD, STE 498
PORTLAND, OR 97225
Obstetrics & Gynecology
9427 SW BARNES RD, SUITE 395
PORTLAND, OR 97225
Obstetrics & Gynecology
9427 SW BARNES RD, SUITE 395
PORTLAND, OR 97225
Surgery (Pediatric Surgery)
9427 SW BARNES RD, SUITE 598
PORTLAND, OR 97225
Nurse Practitioner (Obstetrics & Gynecology)
9427 SW BARNES RD, SUITE 395
PORTLAND, OR 97225
Obstetrics & Gynecology
9427 SW BARNES RD, SUITE 395
PORTLAND, OR 97225
Obstetrics & Gynecology
9427 SW BARNES RD, SUITE 395
PORTLAND, OR 97225
Surgery
9427 SW BARNES RD
PORTLAND, OR 97225
Podiatrist (Foot & Ankle Surgery)
9427 SW BARNES RD
PORTLAND, OR 97225
Specialist
9427 SW BARNES RD
PORTLAND, OR 97225
Physician Assistant
9427 SW BARNES RD
PORTLAND, OR 97225
Psychiatry & Neurology (Neurology)
9427 SW BARNES RD
PORTLAND, OR 97225

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144336132, enumerated as an "individual" on August 22, 2006.

The provider is located at 9427 SW BARNES RD MOTHER JOSEPH PLAZA PORTLAND, OR 97225 and the phone number is (503) 203-2040.

Orthopaedic Surgery with taxonomy code 207X00000X.