Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Margaret Mathews, PHARM D
Pharmacist in Palo Alto, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1336240019
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Registry record
Entity type Individual (Type 1)
Name Margaret Mathews
Credential PHARM D
Sex Female
Practice address 3801 Miranda Ave # 119, Palo Alto, CA, 94304
Phone (650) 493-5000
Enumeration date Sep 26, 2006
Last updated in NPPES Jun 11, 2013
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Is NPI 1336240019 active?
Yes, as of the latest NPPES snapshot, NPI 1336240019 is active (record last updated 2013-06-11).
How do I verify Margaret Mathews's NPI record?
Cross-check NPI 1336240019 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
Browse all → Randell Miyahara Pharmacist · Palo Alto, CA NPI 1134141567 Sheetal Patel Pharmacist · Palo Alto, CA NPI 1659470359 Thao Trinh Pharmacist · Palo Alto, CA NPI 1730289604 Patti Togioka Pharmacist · Palo Alto, CA NPI 1417048034 Kari Kobayashi Pharmacist · Palo Alto, CA NPI 1598856148 Janet Huang Pharmacist · Palo Alto, CA NPI 1780776088 Virginia Lee Pharmacist · Palo Alto, CA NPI 1730258716 Pei-Yu Lee Pharmacist · Palo Alto, CA NPI 1902185523
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-06-11.