JOHN CRAIG GARRETT PHARMD
NPI 1629774914
Pharmacist - Oncology in San Diego, CA

NPI Status: Active since February 07, 2023

Contact Information

4044 FIFTH AVE
SAN DIEGO, CA
ZIP 92103
Phone: (925) 451-0865
Fax: (619) 686-3794

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  • Individual
  • Male
  • Pharmacist
  • Oncology

About JOHN GARRETT

This page provides the complete NPI Profile along with additional information for John Garrett, a provider established in San Diego, California with a medical specialization in Pharmacist, focusing in oncology . The healthcare provider is registered in the NPI registry with number 1629774914 assigned on February 2023. The practitioner's primary taxonomy code is 1835X0200X with license number 72874 (CA). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1629774914
Provider Name
JOHN CRAIG GARRETT PHARMD
Gender
Male
Entity Type
Individual
Location Address
4044 FIFTH AVE SAN DIEGO, CA 92103
Location Phone
(925) 451-0865
Location Fax
(619) 686-3794
Mailing Address
4533 CLEVELAND AVE SAN DIEGO, CA 92116
Mailing Phone
(925) 451-0865
Mailing Fax
(619) 686-3794
Is Sole Proprietor?
No
Enumeration Date
02-07-2023
Last Update Date
02-07-2023
Code Navigator

A pharmacist like John Garrett fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

Location Map

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

Pharmacist Oncology

Taxonomy Code
1835X0200X
Type
Pharmacy Service Providers
License No.
72874
License State
CA
Taxonomy Description
A licensed pharmacist who has demonstrated specialized knowledge and skill in developing, recommending, implementing, monitoring, and modifying pharmacotherapeutic plans to optimize outcomes in patients with malignant diseases.

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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 1629774914, 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
6
Unchanged
Pos 3
2
Doubled → 4
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
1
Doubled → 2
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 2 → 4 7 → 14 → 5 4 → 8 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 4 + 9 + 1 + 4 + 7 + 8 + 9 + 2 + 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 1629774914.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Radiology (Radiation Oncology)
4044 FIFTH AVE
SAN DIEGO, CA 92103
Radiology (Radiation Oncology)
4044 FIFTH AVE
SAN DIEGO, CA 92103
Nurse Practitioner (Family)
4044 FIFTH AVE
SAN DIEGO, CA 92103
Pharmacist
4044 FIFTH AVE
SAN DIEGO, CA 92103
Internal Medicine (Hematology & Oncology)
4044 FIFTH AVE
SAN DIEGO, CA 92103
Internal Medicine (Hematology & Oncology)
4044 FIFTH AVE
SAN DIEGO, CA 92103
Plastic Surgery
4044 FIFTH AVE
SAN DIEGO, CA 92103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1629774914, enumerated as an "individual" on February 07, 2023.

The provider is located at 4044 FIFTH AVE SAN DIEGO, CA 92103 and the phone number is (925) 451-0865.

Pharmacist with taxonomy code 1835X0200X and a focus in Oncology.