JON J CHOCK PHARMD
NPI 1730260043
Pharmacist - Oncology in Oakland, CA

NPI Status: Active since October 17, 2006

Contact Information

235 W MACARTHUR BLVD
OAKLAND, CA
ZIP 94611
Phone: (510) 752-1216

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  • Individual
  • Male
  • Pharmacist
  • Oncology

About JON CHOCK

This page provides the complete NPI Profile along with additional information for Jon Chock, a provider established in Oakland, California with a medical specialization in Pharmacist, focusing in oncology . The healthcare provider is registered in the NPI registry with number 1730260043 assigned on October 2006. The practitioner's primary taxonomy code is 1835X0200X with license number RPH 40491 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1730260043
Provider Name
JON J CHOCK PHARMD
Gender
Male
Entity Type
Individual
Location Address
235 W MACARTHUR BLVD OAKLAND, CA 94611
Location Phone
(510) 752-1216
Mailing Address
PO BOX 1514 BURLINGAME, CA 94011
Mailing Phone
(650) 347-4811
Is Sole Proprietor?
No
Enumeration Date
10-17-2006
Last Update Date
07-08-2007
Code Navigator

A pharmacist like Jon Chock 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.
RPH 40491
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 1730260043, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
7
Unchanged
Pos 3
3
Doubled → 6
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
6
Unchanged
Pos 7
0
Doubled → 0
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
3
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 3 → 6 2 → 4 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 4 + 6 + 0 + 0 + 8 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1730260043.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Internal Medicine (Medical Oncology)
235 W MACARTHUR BLVD
OAKLAND, CA 94611
Pharmacist (Oncology)
235 W MACARTHUR BLVD, ADULT ONCOLOGY 1ST FLOOR
OAKLAND, CA 94611
Dietitian, Registered
235 W MACARTHUR BLVD, ROOM 401
OAKLAND, CA 94611
Speech-Language Pathologist
235 W MACARTHUR BLVD
OAKLAND, CA 94611
Physical Therapist
235 W MACARTHUR BLVD, SUITE 300
OAKLAND, CA 94611
Nurse Practitioner (Gerontology)
235 W MACARTHUR BLVD, SUITE 630
OAKLAND, CA 94611
Dietitian, Registered
235 W MACARTHUR BLVD, HOME HEALTH DEPT
OAKLAND, CA 94611
Social Worker (Clinical)
235 W MACARTHUR BLVD, STE. 630
OAKLAND, CA 94611
Speech-Language Pathologist
235 W MACARTHUR BLVD, SUITE 520
OAKLAND, CA 94611
Social Worker (Clinical)
235 W MACARTHUR BLVD, MB BLDG. STE 640
OAKLAND, CA 94611
Speech-Language Pathologist
235 W MACARTHUR BLVD, #520
OAKLAND, CA 94611
Physical Therapist
235 W MACARTHUR BLVD
OAKLAND, CA 94611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1730260043, enumerated as an "individual" on October 17, 2006.

The provider is located at 235 W MACARTHUR BLVD OAKLAND, CA 94611 and the phone number is (510) 752-1216.

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