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DR. MARTIN JOSEPH BREEN JR. PHARM.D.
NPI 1043603491
Pharmacist - Pharmacotherapy in Fullerton, CA

Active since March 10, 2015
101 E VALENCIA MESA DR, FULLERTON, CA 92835(714) 992-3143(714) 446-5402 Get Directions Write a Review

NPPES record last updated: March 10, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Martin Joseph Breen Jr. Pharm.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARTIN JOSEPH BREEN JR. PHARM.D. (NPI 1043603491) is an individual pharmacotherapy provider in Fullerton, California, licensed in California (RPH036461) and active in the NPI registry since March 2015.

NPPES Registry Identity

NPI1043603491
Entity TypeIndividualMale
Primary Taxonomy1835P1200X
Provider Legal NameDR. MARTIN JOSEPH BREEN JR.Credential: PHARM.D.
Location Address101 E VALENCIA MESA DRFullerton, CA 92835-3809
Mailing Address101 E Valencia Mesa DrFullerton, CA 92835-3809 · (714) 992-3143 · Fax (714) 446-5402
Phone(714) 992-3143
Fax(714) 446-5402
Sole ProprietorNo
Enumeration DateMarch 10, 2015
✔ NPI 1043603491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacist · PharmacotherapyPharmacy Service Providers
Taxonomy Code1835P1200X
License✔ Licensed in CA · RPH036461
Definition
A licensed pharmacist who has demonstrated specialized knowledge and skill in optimizing pharmacotherapeutic care of patients, by developing, implementing, monitoring, and modifying complex treatment plans, providing advanced level education and consultation, and collaborating with other health professionals in the management of therapy.
101 E VALENCIA MESA DR, Fullerton, CA 92835
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PIUS J. KIM M.D.
Internal Medicine
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 447-5027
PARAM WALIA MD NEUROSCIENCES SERVICES CORPORATION
Neurological Surgery
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 446-5830
JOHN BYRON MACCARTHY MD
Anesthesiology
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 871-3280
GLORIA LYNN FRANKLIN NP MSN
Nurse Practitioner (Family)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (909) 717-9589
NELSON IVAN AGUINAGA RN, FNP
Nurse Practitioner (Family)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 871-3280
DR. JONATHON AHN MD
Anesthesiology
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 871-3280
MR. DANIEL BENJAMIN GRAVILONI RCP
Respiratory Therapist, Registered (Neonatal/Pediatrics)
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 992-3000
DR. EHSAN GHETMIRI M.D.
Hospitalist
101 E VALENCIA MESA DR
FULLERTON, CA 92835
Orange County (714) 992-3969

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Martin Breen's NPI number?

The NPI number for Martin Breen is 1043603491. It was assigned to this individual provider in the NPPES registry on March 10, 2015.

Where is Martin Breen located?

Martin Breen practices at 101 E Valencia Mesa Dr, Fullerton, CA 92835. The listed phone number is (714) 992-3143.

What is Martin Breen's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Pharmacotherapy, with taxonomy code 1835P1200X.

When was this NPI record last updated?

The NPPES record for Martin Breen was last updated on March 10, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.