Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Brett Matthew Martyn, PHARM. D.
Pharmacist in Los Angeles, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477740900
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Registry record
Entity type Individual (Type 1)
Name Brett Matthew Martyn
Credential PHARM. D.
Sex Male
Practice address 4867 W Sunset Blvd, Building H, Inpatient Pharmacy, Los Angeles, CA, 90027
Phone (323) 783-8308
Enumeration date Sep 28, 2007
Last updated in NPPES Sep 28, 2007
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
What is the NPI number for Brett Martyn?
The National Provider Identifier (NPI) for Brett Martyn is 1477740900, a Type 1 (individual) record in the CMS NPPES registry.
Where does Brett Martyn practice?
The practice location on file with NPPES is in Los Angeles, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Asit Vora Pediatrics Physician · Los Angeles, CA NPI 1497781561 Kuo Chao Vascular & Interventional Radiology Physician · Los Angeles, CA NPI 1164450433 Sen Ji Clinical Cardiac Electrophysiology Physician · Los Angeles, CA NPI 1790715860 Charles Lee Anesthesiology Physician · Los Angeles, CA NPI 1447272810 Teresita Bailon-Aguinaldo Anesthesiology Physician · Los Angeles, CA NPI 1124122684 Elaine Fujimoto Pharmacist · Los Angeles, CA NPI 1578657060 Deborah Bruggman Pharmacist · Los Angeles, CA NPI 1447344932 Karen Nguyen Pharmacist · Los Angeles, CA NPI 1518051630
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-28.