ZHENZHEN LIU PHARMD
NPI 1780520965
Pharmacist in Somerville, MA

NPI Status: Active since April 28, 2026

Contact Information

33 TOWER ST
SOMERVILLE, MA
ZIP 02143
Phone: (617) 591-4200

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  • Individual
  • Female
  • Pharmacist

About ZHENZHEN LIU

This page provides the complete NPI Profile along with additional information for Zhenzhen Liu, a provider established in Somerville, Massachusetts with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1780520965 assigned on April 2026. The practitioner's primary taxonomy code is 183500000X with license number PH237426 (MA). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1780520965
Provider Name
ZHENZHEN LIU PHARMD
Gender
Female
Entity Type
Individual
Location Address
33 TOWER ST SOMERVILLE, MA 02143
Location Phone
(617) 591-4200
Mailing Address
33 TOWER ST INPATIENT PHARMACY SOMERVILLE, MA 02143
Mailing Phone
(617) 591-4200
Is Sole Proprietor?
Yes
Enumeration Date
04-28-2026
Last Update Date
04-28-2026
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A pharmacist like Zhenzhen Liu 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

Taxonomy Code
183500000X
Type
Pharmacy Service Providers
License No.
PH237426
License State
MA
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 1780520965, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 1 + 0 + 2 + 0 + 9 + 1 + 2 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1780520965.

Other Providers at the Same Location


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

Licensed Practical Nurse
33 TOWER ST
SOMERVILLE, MA 02143
Clinic/Center (Urgent Care)
33 TOWER ST
SOMERVILLE, MA 02143
Registered Nurse
33 TOWER ST
SOMERVILLE, MA 02143
Registered Nurse
33 TOWER ST
SOMERVILLE, MA 02143
Pediatrics
33 TOWER ST
SOMERVILLE, MA 02143
Social Worker (Clinical)
33 TOWER ST
SOMERVILLE, MA 02143
Occupational Therapist
33 TOWER ST
SOMERVILLE, MA 02143
Psychologist
33 TOWER ST
SOMERVILLE, MA 02143
Registered Nurse (Ambulatory Care)
33 TOWER ST
SOMERVILLE, MA 02143
Registered Nurse (Women's Health Care, Ambulatory)
33 TOWER ST
SOMERVILLE, MA 02143
Licensed Practical Nurse
33 TOWER ST
SOMERVILLE, MA 02143
Pharmacist
33 TOWER ST
SOMERVILLE, MA 02143
Occupational Therapy Assistant
33 TOWER ST
SOMERVILLE, MA 02143
Registered Nurse (Psychiatric/Mental Health, Adult)
33 TOWER ST
SOMERVILLE, MA 02143
Registered Nurse
33 TOWER ST
SOMERVILLE, MA 02143
Registered Nurse (Psychiatric/Mental Health)
33 TOWER ST
SOMERVILLE, MA 02143
Social Worker
33 TOWER ST
SOMERVILLE, MA 02143
Nurse Practitioner (Psychiatric/Mental Health)
33 TOWER ST
SOMERVILLE, MA 02143
General Acute Care Hospital
33 TOWER ST
SOMERVILLE, MA 02143
Nurse Practitioner (Women's Health)
33 TOWER ST
SOMERVILLE, MA 02143

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780520965, enumerated as an "individual" on April 28, 2026.

The provider is located at 33 TOWER ST SOMERVILLE, MA 02143 and the phone number is (617) 591-4200.

Pharmacist with taxonomy code 183500000X.