ROBERT JOHNSTON D.O.
NPI 1306229984
Pathology - Anatomic Pathology & Clinical Pathology in Seattle, WA

NPI Status: Active since July 01, 2015

Contact Information

401 5TH AVE
SEATTLE, WA
ZIP 98104
Phone: (206) 731-3232

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  • Individual
  • Male
  • Pathology
  • Anatomic Pathology & Clinical Pathology

About ROBERT JOHNSTON

This page provides the complete NPI Profile along with additional information for Robert Johnston, a provider established in Seattle, Washington with a medical specialization in Pathology, focusing in anatomic pathology & clinical pathology . The healthcare provider is registered in the NPI registry with number 1306229984 assigned on July 2015. The practitioner's primary taxonomy code is 207ZP0102X with license number BP10053402 (TX). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1306229984
Provider Name
ROBERT JOHNSTON D.O.
Gender
Male
Entity Type
Individual
Location Address
401 5TH AVE SEATTLE, WA 98104
Location Phone
(206) 731-3232
Mailing Address
401 5TH AVE SEATTLE, WA 98104
Mailing Phone
(206) 731-3232
Is Sole Proprietor?
No
Enumeration Date
07-01-2015
Last Update Date
06-14-2019
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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

Pathology Anatomic Pathology & Clinical Pathology

Taxonomy Code
207ZP0102X
Type
Allopathic & Osteopathic Physicians
License No.
BP10053402
License State
TX
Taxonomy Description
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

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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 1306229984, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 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 0 → 0 2 → 4 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 4 + 2 + 1 + 8 + 9 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1306229984.

Other Providers at the Same Location


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

Psychiatry & Neurology (Psychiatry)
401 5TH AVE, SUITE 0400
SEATTLE, WA 98104
Nurse Practitioner (Adult Health)
401 5TH AVE, SUITE 1600
SEATTLE, WA 98104
Nutritionist
401 5TH AVE
SEATTLE, WA 98104
Pharmacist (Pharmacotherapy)
401 5TH AVE, KING COUNTY CNK-ES-0230
SEATTLE, WA 98104
Counselor (Mental Health)
401 5TH AVE
SEATTLE, WA 98104
Social Worker (Clinical)
401 5TH AVE, SUITE 1000
SEATTLE, WA 98104
Clinic/Center (Multi-Specialty)
401 5TH AVE, SUITE 1200
SEATTLE, WA 98104
Registered Nurse
401 5TH AVE, SUITE 1000
SEATTLE, WA 98104
Registered Nurse
401 5TH AVE, SUITE 1000
SEATTLE, WA 98104
Registered Nurse
401 5TH AVE, 1000
SEATTLE, WA 98104
Registered Nurse
401 5TH AVE
SEATTLE, WA 98104
Registered Nurse
401 5TH AVE, SUITE 1000
SEATTLE, WA 98104
Registered Nurse
401 5TH AVE, SUITE 1000
SEATTLE, WA 98104
Registered Nurse (Maternal Newborn)
401 5TH AVE
SEATTLE, WA 98104
Dietitian, Registered
401 5TH AVE
SEATTLE, WA 98104
Counselor (Mental Health)
401 5TH AVE
SEATTLE, WA 98104
Counselor
401 5TH AVE
SEATTLE, WA 98104
Counselor
401 5TH AVE
SEATTLE, WA 98104
Counselor (Mental Health)
401 5TH AVE
SEATTLE, WA 98104
Marriage & Family Therapist
401 5TH AVE
SEATTLE, WA 98104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306229984, enumerated as an "individual" on July 01, 2015.

The provider is located at 401 5TH AVE SEATTLE, WA 98104 and the phone number is (206) 731-3232.

Pathology with taxonomy code 207ZP0102X and a focus in Anatomic Pathology & Clinical Pathology.