DR. BILL LOUIS BOROK OD
NPI 1124107974
Optometrist in Portland, OR

NPI Status: Active since November 03, 2006

Contact Information

3600 N INTERSTATE AVE
PORTLAND, OR
ZIP 97227
Phone: (503) 331-5249

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  • Individual
  • Male
  • Optometrist

About BILL BOROK

This page provides the complete NPI Profile along with additional information for Bill Borok, a provider established in Portland, Oregon with a medical specialization in Optometrist. The healthcare provider is registered in the NPI registry with number 1124107974 assigned on November 2006. The practitioner's primary taxonomy code is 152W00000X with license number 1975ATI (OR). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1124107974
Provider Name
DR. BILL LOUIS BOROK OD
Gender
Male
Entity Type
Individual
Location Address
3600 N INTERSTATE AVE PORTLAND, OR 97227
Location Phone
(503) 331-5249
Mailing Address
4199 NW 178TH PL PORTLAND, OR 97229
Mailing Phone
(503) 331-5249
Is Sole Proprietor?
No
Enumeration Date
11-03-2006
Last Update Date
02-10-2022
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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

Optometrist

Taxonomy Code
152W00000X
Type
Eye and Vision Services Providers
License No.
1975ATI
License State
OR
Taxonomy Description
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

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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 1124107974, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
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 2 → 4 1 → 2 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 2 + 0 + 1 + 4 + 9 + 1 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1124107974.

Other Providers at the Same Location


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

Audiologist
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Optometrist
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Ophthalmology
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Specialist
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Orthopaedic Surgery
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Occupational Therapist (Pediatrics)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Optometrist (Low Vision Rehabilitation)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Dermatology
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Technician/Technologist (Optician)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Dermatology
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Physical Medicine & Rehabilitation
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Optometrist
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Physical Medicine & Rehabilitation
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Speech-Language Pathologist
3600 N INTERSTATE AVE, ATTN: SPEECH
PORTLAND, OR 97227
Physical Therapist
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Ophthalmology
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Internal Medicine (Hematology & Oncology)
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Physical Therapist
3600 N INTERSTATE AVE
PORTLAND, OR 97227
Physical Medicine & Rehabilitation
3600 N INTERSTATE AVE
PORTLAND, OR 97227

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124107974, enumerated as an "individual" on November 03, 2006.

The provider is located at 3600 N INTERSTATE AVE PORTLAND, OR 97227 and the phone number is (503) 331-5249.

Optometrist with taxonomy code 152W00000X.