SHERMAN WALKER MA-PC
NPI 1306642111
Technician, Pathology - Phlebotomy in Renton, WA

NPI Status: Active since February 21, 2025

Contact Information

2007 CAMAS AVE NE
RENTON, WA
ZIP 98056
Phone: (425) 970-5461
Fax: (206) 519-6701

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  • Individual
  • Male
  • Technician, Pathology
  • Phlebotomy

About SHERMAN WALKER

This page provides the complete NPI Profile along with additional information for Sherman Walker, a provider established in Renton, Washington with a medical specialization in Technician, Pathology, focusing in phlebotomy . The healthcare provider is registered in the NPI registry with number 1306642111 assigned on February 2025. The practitioner's primary taxonomy code is 246RP1900X with license number PC60379320 (WA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1306642111
Provider Name
SHERMAN WALKER MA-PC
Gender
Male
Entity Type
Individual
Location Address
2007 CAMAS AVE NE RENTON, WA 98056
Location Phone
(425) 970-5461
Location Fax
(206) 519-6701
Mailing Address
2007 CAMAS AVE NE RENTON, WA 98056
Mailing Phone
(425) 970-5461
Mailing Fax
(206) 519-6701
Is Sole Proprietor?
Yes
Enumeration Date
02-21-2025
Last Update Date
02-21-2025
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Location Map

Secondary Locations

  • 15101 SE 272nd St
    Kent, WA 98042
    (425) 970-5461
  • 1400 112th Ave SE Ste 100
    Bellevue, WA 98004
    (425) 970-5461

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

Technician, Pathology Phlebotomy

Taxonomy Code
246RP1900X
Type
Technologists, Technicians & Other Technical Service Providers
License No.
PC60379320
License State
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 1306642111, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).

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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
Check
1
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 0 → 0 6 → 12 → 3 2 → 4 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 2 + 4 + 4 + 1 + 2 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1306642111.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306642111, enumerated as an "individual" on February 21, 2025.

The provider is located at 2007 CAMAS AVE NE RENTON, WA 98056 and the phone number is (425) 970-5461.

Technician, Pathology with taxonomy code 246RP1900X and a focus in Phlebotomy.