MRS. JULIE KESTERSON RN
NPI 1598691479
Registered Nurse - Oncology in San Francisco, CA

NPI Status: Active since June 19, 2026

Contact Information

1825 4TH ST
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 353-9888
Fax: (415) 353-9931

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  • Individual
  • Female
  • Registered Nurse
  • Oncology

About JULIE KESTERSON

This page provides the complete NPI Profile along with additional information for Julie Kesterson, a provider established in San Francisco, California with a medical specialization in Registered Nurse, focusing in oncology . The healthcare provider is registered in the NPI registry with number 1598691479 assigned on June 2026. The practitioner's primary taxonomy code is 163WX0200X with license number 95115279 (CA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1598691479
Provider Name
MRS. JULIE KESTERSON RN
Gender
Female
Entity Type
Individual
Location Address
1825 4TH ST SAN FRANCISCO, CA 94143
Location Phone
(415) 353-9888
Location Fax
(415) 353-9931
Mailing Address
5970 RACINE ST OAKLAND, CA 94609
Mailing Phone
(619) 207-9803
Is Sole Proprietor?
Yes
Enumeration Date
06-19-2026
Last Update Date
06-19-2026
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A registered nurse (RN) like Julie Kesterson coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

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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

Registered Nurse Oncology

Taxonomy Code
163WX0200X
Type
Nursing Service Providers
License No.
95115279
License State
CA

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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 1598691479, 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
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
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 9 → 18 → 9 6 → 12 → 3 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 2 + 9 + 2 + 4 + 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 1598691479.

Other Providers at the Same Location


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

Nurse Practitioner
1825 4TH ST
SAN FRANCISCO, CA 94143
Dietitian, Registered (Nutrition, Renal)
1825 4TH ST, M5209
SAN FRANCISCO, CA 94143
Speech-Language Pathologist
1825 4TH ST, 5TH FLOOR
SAN FRANCISCO, CA 94143
Nurse Practitioner (Family)
1825 4TH ST, 4TH FLOOR, BOX 4065
SAN FRANCISCO, CA 94143
Nurse Practitioner
1825 4TH ST
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
1825 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner
1825 4TH ST
SAN FRANCISCO, CA 94143
Pediatrics (Pediatric Allergy/Immunology)
1825 4TH ST
SAN FRANCISCO, CA 94143
Obstetrics & Gynecology
1825 4TH ST
SAN FRANCISCO, CA 94143
Internal Medicine (Hematology & Oncology)
1825 4TH ST
SAN FRANCISCO, CA 94143
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1825 4TH ST
SAN FRANCISCO, CA 94143
Genetic Counselor, MS
1825 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner
1825 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics)
1825 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Adult Health)
1825 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Adult Health)
1825 4TH ST
SAN FRANCISCO, CA 94143
Internal Medicine (Medical Oncology)
1825 4TH ST
SAN FRANCISCO, CA 94143
Pharmacist (Oncology)
1825 4TH ST
SAN FRANCISCO, CA 94143
Pharmacist (Oncology)
1825 4TH ST
SAN FRANCISCO, CA 94143
Pharmacist
1825 4TH ST
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598691479, enumerated as an "individual" on June 19, 2026.

The provider is located at 1825 4TH ST SAN FRANCISCO, CA 94143 and the phone number is (415) 353-9888.

Registered Nurse with taxonomy code 163WX0200X and a focus in Oncology.