Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1033532841 Individual Practitioner Female Practitioner

Cathy Do , RPH

Pharmacist • San Marcos, CA

Professional Overview & Biography Verified Profile Summary

Cathy Do, RPH is a registered healthcare professional specializing in Pharmacist in San Marcos, CA. Practice services are available at 306 S TWIN OAKS VALLEY RD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

306 S Twin Oaks Valley Rd

San Marcos, CA 920784333

Telephone 7608910618
Fax 7608910626
Associated Practice Facility / Clinic
🏢 Ralphs Grocery Company Facility NPI 1992720593

Specialty Benchmarks & Practice Insights

Comparative analytics for Pharmacist in San Marcos, CA

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

Practicing in San Marcos, 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: 2026-05-15
Pharmacist Primary Specialty

NUCC Taxonomy Code: 183500000X

State License CA 66242

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

5 Associated Practitioners
NPI 1154798551

Doctor of Pharmacy (Pharm.D.)

NPI 1740675776

Doctor of Pharmacy (Pharm.D.)

Leslie Lebel

Pharmacist

NPI 1770960379
Lucy Kim

Pharmacist

NPI 1770999237
NPI 1922426758

Doctor of Pharmacy (Pharm.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location May 15, 2026

Registered at 306 S TWIN OAKS VALLEY RD, SAN MARCOS, CA 920784333 (Tel: 7608910618)

📍
Updated Business Mailing Address May 15, 2026

Registered at 306 S TWIN OAKS VALLEY RD, SAN MARCOS, CA 920784333 (Tel: 7608910618)

NPI Profile Active January 29, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location January 29, 2014

Registered at 101 OLD GROVE RD, OCEANSIDE, CA 920571216 (Tel: 7607541906)

📍
Updated Business Mailing Address January 29, 2014

Registered at 101 OLD GROVE RD, OCEANSIDE, CA 920571216 (Tel: 7607541906)

👤
Provider Name / Credentials Updated January 29, 2014

Recorded as CATHY DO, RPH

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 29, 2014

Pharmacist (License #66242 in CA)

🟢
Initial NPI Registration & Enumeration January 29, 2014

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: 1033532841
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 29, 2014
Last Update: May 15, 2026
Sole Proprietor: Yes

Mailing Address

306 S Twin Oaks Valley Rd

San Marcos, CA 920784333

Phone: 7608910618

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.