DR. WILLIAM DONALD NOONAN M.D.
NPI 1730330622
Ophthalmology in Sherwood, OR

NPI Status: Active since October 09, 2008

Contact Information

15470 SW BELL RD
SHERWOOD, OR
ZIP 97140
Phone: (503) 595-5300
Fax: (503) 595-5301

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  • Individual
  • Male
  • Ophthalmology

About WILLIAM NOONAN

This page provides the complete NPI Profile along with additional information for William Noonan, a provider established in Sherwood, Oregon with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1730330622 assigned on October 2008. The practitioner's primary taxonomy code is 207W00000X with license number MD18856 (OR). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1730330622
Provider Name
DR. WILLIAM DONALD NOONAN M.D.
Gender
Male
Entity Type
Individual
Location Address
15470 SW BELL RD SHERWOOD, OR 97140
Location Phone
(503) 595-5300
Location Fax
(503) 595-5301
Mailing Address
15470 SW BELL RD SHERWOOD, OR 97140
Mailing Phone
(503) 595-5300
Mailing Fax
(503) 595-5301
Is Sole Proprietor?
Yes
Enumeration Date
10-09-2008
Last Update Date
10-09-2008
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Ophthalmologists like William Noonan 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.
MD18856
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.

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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 1730330622, 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
7
Unchanged
Pos 3
3
Doubled → 6
Pos 4
0
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
2
Doubled → 4
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 3 → 6 3 → 6 0 → 0 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 6 + 3 + 0 + 6 + 4 + 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 1730330622.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730330622, enumerated as an "individual" on October 09, 2008.

The provider is located at 15470 SW BELL RD SHERWOOD, OR 97140 and the phone number is (503) 595-5300.

Ophthalmology with taxonomy code 207W00000X.