WILLIAM K HARRIS MD
NPI 1902908767
Ophthalmology in Portland, OR
NPI Status: Active since September 02, 2006
Contact Information
3600 N INTERSTATE AVE
PORTLAND, OR
ZIP 97227
Phone: (503) 285-9321
- Individual
- Male
- Ophthalmology
About WILLIAM HARRIS
This page provides the complete NPI Profile along with additional information for William Harris, a provider established in Portland, Oregon with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1902908767 assigned on September 2006. The practitioner's primary taxonomy code is 207W00000X with license number OR MD07562 (OR). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1902908767
- Provider Name
- WILLIAM K HARRIS MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3600 N INTERSTATE AVE PORTLAND, OR 97227
- Location Phone
- (503) 285-9321
- Mailing Address
- 2803 NW CUMBERLAND RD PORTLAND, OR 97210
- Mailing Phone
- (503) 228-3448
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-02-2006
- Last Update Date
- 07-08-2007
- Code Navigator
Ophthalmologists like William Harris specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.
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
Ophthalmology
- Taxonomy Code
- 207W00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- OR MD07562
- License State
- OR
- Taxonomy Description
- An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
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) |
|---|---|---|---|---|
| 1 | 207W00000X | Allopathic & Osteopathic Physicians | Ophthalmology | WA MD00027405 (WA) |
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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 1902908767, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
PORTLAND, OR 97227
PORTLAND, OR 97227
PORTLAND, OR 97227
PORTLAND, OR 97227
PORTLAND, OR 97227
PORTLAND, OR 97227
PORTLAND, OR 97227
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1902908767, enumerated as an "individual" on September 02, 2006.
The provider is located at 3600 N INTERSTATE AVE PORTLAND, OR 97227 and the phone number is (503) 285-9321.
Ophthalmology with taxonomy code 207W00000X.
