DR. BLAKE LANGLEY ND
NPI 1942847934
Naturopath in Seattle, WA

NPI Status: Active since December 09, 2019

Contact Information

1100 FAIRVIEW AVE N
SEATTLE, WA
ZIP 98109
Phone: (206) 667-3481

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  • Individual
  • Male
  • Naturopath

About BLAKE LANGLEY

This page provides the complete NPI Profile along with additional information for Blake Langley, a provider established in Seattle, Washington with a medical specialization in Naturopath. The healthcare provider is registered in the NPI registry with number 1942847934 assigned on December 2019. The practitioner's primary taxonomy code is 175F00000X with license number 4267 (OR). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1942847934
Provider Name
DR. BLAKE LANGLEY ND
Gender
Male
Entity Type
Individual
Location Address
1100 FAIRVIEW AVE N SEATTLE, WA 98109
Location Phone
(206) 667-3481
Mailing Address
125A 20TH AVE E SEATTLE, WA 98112
Is Sole Proprietor?
No
Enumeration Date
12-09-2019
Last Update Date
12-22-2025
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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

Naturopath

Taxonomy Code
175F00000X
Type
Other Service Providers
License No.
4267
License State
OR
Taxonomy Description
Diagnoses, treats, and cares for patients, using system of practice that bases treatment of physiological functions and abnormal conditions on natural laws governing human body: Utilizes physiological, psychological, and mechanical methods, such as air, water, light, heat, earth, phototherapy, food and herb therapy, psychotherapy, electrotherapy, physiotherapy, minor and orificial surgery, mechanotherapy, naturopathic corrections and manipulation, and natural methods or modalities, together with natural medicines, natural processed foods, and herbs and nature's remedies. Excludes major surgery, therapeutic use of x ray and radium, and use of drugs, except those assimilable substances containing elements or compounds which are components of body tissues and are physiologically compatible to body processes for maintenance of life.

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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 1942847934, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
9
Unchanged
Pos 3
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
Check
4
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 4 → 8 8 → 16 → 7 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 6 + 4 + 1 + 4 + 9 + 6 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1942847934.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Internal Medicine (Hematology & Oncology)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Internal Medicine (Infectious Disease)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Preventive Medicine (Public Health & General Preventive Medicine)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pathology (Anatomic Pathology)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Internal Medicine (Hematology & Oncology)
1100 FAIRVIEW AVE N, D5-100
SEATTLE, WA 98109
Pediatrics (Pediatric Hematology-Oncology)
1100 FAIRVIEW AVE N, BOX 358080 - D4-100
SEATTLE, WA 98109
Internal Medicine
1100 FAIRVIEW AVE N, D3-190
SEATTLE, WA 98109
Physician Assistant (Medical)
1100 FAIRVIEW AVE N, ME-B143
SEATTLE, WA 98109
Clinic/Center (Multi-Specialty)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pharmacy Technician
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Nurse Practitioner (Family)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Nurse Practitioner (Family)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pharmacist (Oncology)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Nurse Practitioner (Adult Health)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pharmacist
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Nurse Practitioner (Pediatrics)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Pharmacist (Oncology)
1100 FAIRVIEW AVE N
SEATTLE, WA 98109
Student in an Organized Health Care Education/Training Program
1100 FAIRVIEW AVE N
SEATTLE, WA 98109

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942847934, enumerated as an "individual" on December 09, 2019.

The provider is located at 1100 FAIRVIEW AVE N SEATTLE, WA 98109 and the phone number is (206) 667-3481.

Naturopath with taxonomy code 175F00000X.