JOSHUA CHIN
NPI 1487525168
Pharmacist - Oncology in San Francisco, CA

NPI Status: Active since September 15, 2025

Contact Information

400 PARNASSUS AVE
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 353-2920

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  • Individual
  • Male
  • Pharmacist
  • Oncology

About JOSHUA CHIN

This page provides the complete NPI Profile along with additional information for Joshua Chin, a provider established in San Francisco, California with a medical specialization in Pharmacist, focusing in oncology . The healthcare provider is registered in the NPI registry with number 1487525168 assigned on September 2025. The practitioner's primary taxonomy code is 1835X0200X with license number 88277 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1487525168
Provider Name
JOSHUA CHIN
Gender
Male
Entity Type
Individual
Location Address
400 PARNASSUS AVE SAN FRANCISCO, CA 94143
Location Phone
(415) 353-2920
Mailing Address
1200 FUNSTON AVE SAN FRANCISCO, CA 94122
Is Sole Proprietor?
No
Enumeration Date
09-15-2025
Last Update Date
09-15-2025
Code Navigator

A pharmacist like Joshua Chin 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

Secondary Locations

  • 1825 4th St Fl 3
    San Francisco, CA 94143
    (415) 476-2211

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.
88277
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 1487525168, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
8
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 8 → 16 → 7 5 → 10 → 1 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 0 + 2 + 1 + 0 + 1 + 1 + 2 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1487525168.

Other Providers at the Same Location


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

Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Medical Oncology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Medical Oncology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Endocrinology, Diabetes & Metabolism)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Ophthalmology
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE, PLAZA LEVEL
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487525168, enumerated as an "individual" on September 15, 2025.

The provider is located at 400 PARNASSUS AVE SAN FRANCISCO, CA 94143 and the phone number is (415) 353-2920.

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