Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1730571977 Individual Practitioner Female Practitioner

Hien Thi Do

Pharmacist • Castaic, CA

Professional Overview & Biography Verified Profile Summary

Hien Do is a registered healthcare professional specializing in Pharmacist in Castaic, CA. Practice services are available at 29675 THE OLD ROAD NORTH under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

29675 The Old Road North

Castaic, CA 913844570

Telephone 6617026936
Fax 6617021542
Associated Practice Facility / Clinic
🏢 Ralphs Grocery Company Facility NPI 1790700391

Specialty Benchmarks & Practice Insights

Comparative analytics for Pharmacist in Castaic, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 16.8 Yrs
Regional Practice Density
5 Specialists

Practicing in Castaic, CA (33119 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-05-14
Pharmacist Primary Specialty

NUCC Taxonomy Code: 183500000X

State License CA 59915

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners
Thu Nguyen

Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

NPI 1295159994
Dr. Cathy Tran , PharmD

Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

NPI 1528739885

Doctor of Pharmacy (Pharm.D.)

Dr. Fatin Sako , PharmD

Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

NPI 1619381118

Doctor of Pharmacy (Pharm.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active February 25, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location February 25, 2015

Registered at 29675 THE OLD ROAD NORTH, CASTAIC, CA 913844570 (Tel: 6617026936)

📍
Updated Business Mailing Address February 25, 2015

Registered at 29675 THE OLD ROAD NORTH, CASTAIC, CA 913844570 (Tel: 6617026936)

👤
Provider Name / Credentials Updated February 25, 2015

Recorded as HIEN DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 25, 2015

Pharmacist (License #59915 in CA)

🟢
Initial NPI Registration & Enumeration February 25, 2015

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1730571977
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 25, 2015
Last Update: May 14, 2026
Sole Proprietor: No

Mailing Address

29675 The Old Road North

Castaic, CA 913844570

Phone: 6617026936

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.