WILLIAM MARION EVANS JR. O.D.
NPI 1891719340
Optometrist in Seattle, WA

NPI Status: Active since July 27, 2006

Contact Information

1100 9TH AVE
SEATTLE, WA
ZIP 98101
Phone: (206) 223-6600

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  • Individual
  • Male
  • Optometrist
  • Accepts Insurance

About WILLIAM EVANS

This page provides the complete NPI Profile along with additional information for William Evans, a provider established in Seattle, Washington with a medical specialization in Optometrist. The healthcare provider is registered in the NPI registry with number 1891719340 assigned on July 2006. The practitioner's primary taxonomy code is 152W00000X with license number 3755 (WA). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1891719340
Provider Name
WILLIAM MARION EVANS JR. O.D.
Gender
Male
Entity Type
Individual
Location Address
1100 9TH AVE SEATTLE, WA 98101
Location Phone
(206) 223-6600
Mailing Address
1100 9TH AVE MS: M4-PFS SEATTLE, WA 98101
Mailing Phone
(206) 515-5811
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
07-27-2006
Last Update Date
10-01-2013
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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.
3755
License State
WA
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Blue Max 70/50 $6700 with 2 $0 PCP Virtual Visits HSA Eligible - PPO
  • Blue Max 80/60 $1500 with 2 $0 PCP Virtual Visits - PPO
  • Blue Max Copay (PCP) 50/50 $3300 with 2 $0 PCP Virtual Visits - PPO
  • Blue Max Copay (PCP) 50/50 $7500 Standardized HSA Eligible - PPO
  • Blue Max Copay (PCP) 60/40 $6000 Standardized - PPO
  • Blue Max Copay (PCP) 75/55 $2000 Standardized - PPO
  • Blue Saver 60/40 $6100 - PPO
  • Blue Saver 90/70 $3400 - PPO
  • Premera Blue Cross Alaska One Gold - PPO
  • Premera Blue Cross Preferred Bronze 5800 HSA - PPO
  • Premera Blue Cross Preferred Bronze 6350 - PPO
  • Premera Blue Cross Preferred Gold 1500 - PPO
  • Premera Blue Cross Preferred Silver 4500 - PPO
  • Premera Blue Cross Standard Bronze II - PPO
  • Premera Blue Cross Standard Gold - PPO
  • Premera Blue Cross Standard Silver - PPO
  • Premera Blue Cross Family Dental - PPO
  • Premera Blue Cross Pediatric Dental - PPO
  • HSA-E Qualified 7500 Bronze - Signature Network - EPO
  • Providence Oregon Standard Bronze Plan - Signature Network - EPO
  • Providence Oregon Standard Gold Plan - Signature Network - EPO
  • Providence Oregon Standard Silver Plan - Signature Network - EPO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
1891719340MEDICAID (05)WA 
G8919678MEDICARE PIN (08)WA 
G8919679MEDICARE PIN (08)WA 
G8919680MEDICARE PIN (08)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 1891719340, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 9 → 18 → 9 7 → 14 → 5 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 4 + 1 + 1 + 8 + 3 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1891719340.

Other Providers at the Same Location


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

Nurse Practitioner (Women's Health)
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Internal Medicine (Hematology & Oncology)
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Internal Medicine (Nephrology)
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Emergency Medicine (Undersea and Hyperbaric Medicine)
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Internal Medicine (Cardiovascular Disease)
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Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE, MS:M4 - PA
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Nurse Anesthetist, Certified Registered
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Cardiovascular Disease)
1100 9TH AVE
SEATTLE, WA 98101
Anesthesiology
1100 9TH AVE
SEATTLE, WA 98101
Anesthesiology
1100 9TH AVE
SEATTLE, WA 98101
Anesthesiology
1100 9TH AVE
SEATTLE, WA 98101
Anesthesiology
1100 9TH AVE
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Allergy & Immunology
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891719340, enumerated as an "individual" on July 27, 2006.

The provider is located at 1100 9TH AVE SEATTLE, WA 98101 and the phone number is (206) 223-6600.

Optometrist with taxonomy code 152W00000X.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Louisiana, Premera. Please consult your insurance carrier or call the provider to verify.