WINNIE G HO PHARMD
NPI 1770194409
Pharmacist in San Francisco, CA

NPI Status: Active since August 15, 2020

Contact Information

520 ILLINOIS ST # D1201
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 514-3717

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  • Individual
  • Female
  • Pharmacist

About WINNIE HO

This page provides the complete NPI Profile along with additional information for Winnie Ho, a provider established in San Francisco, California with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1770194409 assigned on August 2020. The practitioner's primary taxonomy code is 183500000X with license number 79453 (CA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1770194409
Provider Name
WINNIE G HO PHARMD
Gender
Female
Entity Type
Individual
Location Address
520 ILLINOIS ST # D1201 SAN FRANCISCO, CA 94143
Location Phone
(415) 514-3717
Mailing Address
520 ILLINOIS ST # D1201 SAN FRANCISCO, CA 94143
Mailing Phone
(415) 514-3717
Is Sole Proprietor?
No
Enumeration Date
08-15-2020
Last Update Date
06-24-2026
Code Navigator

A pharmacist like Winnie Ho 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

  • 1000 Ogden Ave
    Downers Grove, IL 60515
    (630) 493-1567
  • 260 El Camino Real
    Burlingame, CA 94010
    (650) 342-2977
  • 4051 Douglas Blvd
    Granite Bay, CA 95746
    (916) 791-7576

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.
79453
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1183500000XPharmacy Service Providers

Pharmacist

051301448 (IL)

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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 1770194409, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
7
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
1
Doubled → 2
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
0
Doubled → 0
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 7 → 14 → 5 1 → 2 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 2 + 9 + 8 + 4 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1770194409.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770194409, enumerated as an "individual" on August 15, 2020.

The provider is located at 520 ILLINOIS ST # D1201 SAN FRANCISCO, CA 94143 and the phone number is (415) 514-3717.

Pharmacist with taxonomy code 183500000X.