BOB CHIEN PHARM.D.
NPI 1851763221
Pharmacist in Downey, CA

NPI Status: Active since October 26, 2015

Contact Information

12254 BELLFLOWER BLVD
DOWNEY, CA
ZIP 90242
Phone: (562) 385-0556

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  • Individual
  • Male
  • Pharmacist

About BOB CHIEN

This page provides the complete NPI Profile along with additional information for Bob Chien, a provider established in Downey, California with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1851763221 assigned on October 2015. The practitioner's primary taxonomy code is 183500000X with license number 61058 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1851763221
Provider Name
BOB CHIEN PHARM.D.
Gender
Male
Entity Type
Individual
Location Address
12254 BELLFLOWER BLVD DOWNEY, CA 90242
Location Phone
(562) 385-0556
Mailing Address
23 EDMONTON PL ALISO VIEJO, CA 92656
Mailing Phone
(949) 923-0148
Is Sole Proprietor?
Yes
Enumeration Date
10-26-2015
Last Update Date
07-09-2020
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A pharmacist like Bob Chien 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

  • 5385 Alton Pkwy
    Irvine, CA 92604
    (949) 733-8226

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

Taxonomy Code
183500000X
Type
Pharmacy Service Providers
License No.
61058
License State
CA
Taxonomy Description
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.

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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 1851763221, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
3
Doubled → 6
Pos 8
2
Unchanged
Pos 9
2
Doubled → 4
Check
1
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 5 → 10 → 1 7 → 14 → 5 3 → 6 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 1 + 4 + 6 + 6 + 2 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1851763221.

Other Providers at the Same Location


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

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12254 BELLFLOWER BLVD
DOWNEY, CA 90242
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12254 BELLFLOWER BLVD, DRUG INFO - 1ST FLOOR
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12254 BELLFLOWER BLVD
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12254 BELLFLOWER BLVD
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12254 BELLFLOWER BLVD
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Pharmacist
12254 BELLFLOWER BLVD
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12254 BELLFLOWER BLVD, PHARMACY STRATEGY & OPERATIONS
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12254 BELLFLOWER BLVD
DOWNEY, CA 90242
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12254 BELLFLOWER BLVD
DOWNEY, CA 90242
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12254 BELLFLOWER BLVD
DOWNEY, CA 90242
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12254 BELLFLOWER BLVD
DOWNEY, CA 90242
Social Worker (Clinical)
12254 BELLFLOWER BLVD
DOWNEY, CA 90242
Health Maintenance Organization
12254 BELLFLOWER BLVD, SUITE 105
DOWNEY, CA 90242
Pharmacist
12254 BELLFLOWER BLVD, 2ND FLOOR, PHARMACY INFORMATICS
DOWNEY, CA 90242
Social Worker (Clinical)
12254 BELLFLOWER BLVD, SUITE 105
DOWNEY, CA 90242
Counselor (Mental Health)
12254 BELLFLOWER BLVD
DOWNEY, CA 90242
Pharmacist
12254 BELLFLOWER BLVD
DOWNEY, CA 90242
Pharmacy Technician
12254 BELLFLOWER BLVD
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851763221, enumerated as an "individual" on October 26, 2015.

The provider is located at 12254 BELLFLOWER BLVD DOWNEY, CA 90242 and the phone number is (562) 385-0556.

Pharmacist with taxonomy code 183500000X.