MS. AMY LEE JOHNSON
NPI 1841319779
Specialist/Technologist, Pathology - Microbiology in San Diego, CA

NPI Status: Active since March 29, 2007

Contact Information

3575 6TH AVE APT F
SAN DIEGO, CA
ZIP 92103
Phone: (619) 692-8500

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  • Individual
  • Female
  • Specialist/Technologist, Pathology
  • Microbiology

About AMY JOHNSON

This page provides the complete NPI Profile along with additional information for Amy Johnson, a provider established in San Diego, California with a medical specialization in Specialist/technologist, Pathology, focusing in microbiology . The healthcare provider is registered in the NPI registry with number 1841319779 assigned on March 2007. The practitioner's primary taxonomy code is 246QM0900X. The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1841319779
Provider Name
MS. AMY LEE JOHNSON
Gender
Female
Entity Type
Individual
Location Address
3575 6TH AVE APT F SAN DIEGO, CA 92103
Location Phone
(619) 692-8500
Mailing Address
3575 6TH AVE APT F SAN DIEGO, CA 92103
Mailing Phone
(619) 692-8500
Is Sole Proprietor?
No
Enumeration Date
03-29-2007
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

Specialist/Technologist, Pathology Microbiology

Taxonomy Code
246QM0900X
Type
Technologists, Technicians & Other Technical Service Providers

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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 1841319779, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 3 → 6 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 + 8 + 8 + 1 + 6 + 1 + 1 + 8 + 7 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1841319779.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841319779, enumerated as an "individual" on March 29, 2007.

The provider is located at 3575 6TH AVE APT F SAN DIEGO, CA 92103 and the phone number is (619) 692-8500.

Specialist/Technologist, Pathology with taxonomy code 246QM0900X and a focus in Microbiology.