JEREMY MICHAEL ARMSTRONG MD
NPI 1972166890
Pathology - Anatomic Pathology & Clinical Pathology in La Jolla, CA

NPI Status: Active since April 16, 2019

Contact Information

9444 MEDICAL CENTER DR # MC7723
LA JOLLA, CA
ZIP 92037
Phone: (858) 657-7000

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

About JEREMY ARMSTRONG

This page provides the complete NPI Profile along with additional information for Jeremy Armstrong, a provider established in La Jolla, California with a medical specialization in Pathology, focusing in anatomic pathology & clinical pathology . The healthcare provider is registered in the NPI registry with number 1972166890 assigned on April 2019. The practitioner's primary taxonomy code is 207ZP0102X with license number C198030 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1972166890
Provider Name
JEREMY MICHAEL ARMSTRONG MD
Gender
Male
Entity Type
Individual
Location Address
9444 MEDICAL CENTER DR # MC7723 LA JOLLA, CA 92037
Location Phone
(858) 657-7000
Mailing Address
9444 MEDICAL CENTER DR # MC7723 LA JOLLA, CA 92037
Mailing Phone
(858) 657-7000
Is Sole Proprietor?
No
Enumeration Date
04-16-2019
Last Update Date
06-17-2025
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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

Pathology Anatomic Pathology & Clinical Pathology

Taxonomy Code
207ZP0102X
Type
Allopathic & Osteopathic Physicians
License No.
C198030
License State
CA
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1171000000XOther Service Providers

Military Health Care Provider

32753 (NE)
2208D00000XAllopathic & Osteopathic Physicians

General Practice

32753 (NE)
3390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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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 1972166890, 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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
1
Doubled → 2
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 7 → 14 → 5 1 → 2 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 2 + 6 + 1 + 2 + 8 + 1 + 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 1972166890.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972166890, enumerated as an "individual" on April 16, 2019.

The provider is located at 9444 MEDICAL CENTER DR # MC7723 LA JOLLA, CA 92037 and the phone number is (858) 657-7000.

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