DAVID V WALSH OD
NPI 1528129673
Optometrist in Ft Wainwright, AK

NPI Status: Active since December 13, 2006

Contact Information

COMMANDER USA MEDDAC AK MCUC QM (ATTN CREDENTIALS)
1060 GAFFNEY RD STE 7440
FT WAINWRIGHT, AK
ZIP 99703
Phone: (907) 353-5418
Fax: (907) 353-4847

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  • Individual
  • Male
  • Optometrist

About DAVID WALSH

This page provides the complete NPI Profile along with additional information for David Walsh, a provider established in Ft Wainwright, Alaska with a medical specialization in Optometrist. The healthcare provider is registered in the NPI registry with number 1528129673 assigned on December 2006. The practitioner's primary taxonomy code is 152W00000X with license number T006557 (NY). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1528129673
Provider Name
DAVID V WALSH OD
Gender
Male
Entity Type
Individual
Location Address
COMMANDER USA MEDDAC AK MCUC QM (ATTN CREDENTIALS) 1060 GAFFNEY RD STE 7440 FT WAINWRIGHT, AK 99703
Location Phone
(907) 353-5418
Location Fax
(907) 353-4847
Mailing Address
COMMANDER USA MEDDAC AK MCUC QM (ATTN CREDENTIALS) 1060 GAFFNEY RD STE 7440 FT WAINWRIGHT, AK 99703
Mailing Phone
(907) 353-5418
Mailing Fax
(907) 353-4847
Is Sole Proprietor?
No
Enumeration Date
12-13-2006
Last Update Date
07-08-2007
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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

Optometrist

Taxonomy Code
152W00000X
Type
Eye and Vision Services Providers
License No.
T006557
License State
NY
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 1528129673, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
5
Unchanged
Pos 3
2
Doubled → 4
Pos 4
8
Unchanged
Pos 5
1
Doubled → 2
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
3
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 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 4 + 8 + 2 + 2 + 1 + 8 + 6 + 1 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1528129673.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Physician Assistant
COMMANDER USA MEDDAC AK MCUC QM (ATTN CREDENTIALS), 2060 GAFFNEY RD STE 7440
FT WAINWRIGHT, AK 99703

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528129673, enumerated as an "individual" on December 13, 2006.

The provider is located at COMMANDER USA MEDDAC AK MCUC QM (ATTN CREDENTIALS) 1060 GAFFNEY RD STE 7440 FT WAINWRIGHT, AK 99703 and the phone number is (907) 353-5418.

Optometrist with taxonomy code 152W00000X.