ONTARIO, California

22 Registered Pharmacies

City Market Insights

By Category

All Pharmacies 22
Retail 15
Specialty 2
LTC 4
MailOrder 1

Market Stats

Avg. VigilScale™ 57/100
Avg. Enrollment Age 13 yrs

Chain Mix

Solo (1) 2
Small Group (2–9) 5
Large Chain (50+) 4
Mega Chain 11

Special Designations

Independent 2
Sterile Compounding 1
Top Chains THRIFTY PAYLESS 18% KAISER PERMANENTE 18% CVS 14%

Pharmacies in ONTARIO

Licensed retail and specialty pharmacies operating in ONTARIO, California

NPI: 1790832020
KAISER FOUNDATION HOSPITALS
ONTARIO, 91761 • Established 2007
SpecialtyCompounding
Compounding Pharmacy
Home Infusion Therapy Pharmacy
VigilScale™ 100
Large Chain · KAISER PERMANENTE
NPI: 1689940991
KAISER FOUNDATION HOSPITALS
ONTARIO, 91761 • Established 2012
LTC
Compounding Pharmacy
Institutional Pharmacy
VigilScale™ 87
Large Chain · KAISER PERMANENTE
NPI: 1154792570
PRXP OF CA LLC
ONTARIO, 91761 • Established 2015
Specialty
Specialty Pharmacy
VigilScale™ 80
PRXP OF CA
NPI: 1326998097
ASTER PHARMACARE INC
ONTARIO, 91762 • Established 2026
LTC
Long Term Care Pharmacy
VigilScale™ 75
ASTER PHARMACARE
NPI: 1932126273
SAMS WEST INC
ONTARIO, 91764 • Established 2006
Retail
VigilScale™ 73
Mega Chain · SAMS CLUB
NPI: 1255174843
CONSONUS PHARMACY SERVICES CA NORTH LLC
ONTARIO, 91761 • Established 2024
LTC
Compounding Pharmacy
Long Term Care Pharmacy
VigilScale™ 63
CONSONUS PHARMACY SERVICES CA NORTH
NPI: 1043225337
WALGREEN CO
ONTARIO, 91761 • Established 2006
Retail
VigilScale™ 61
Mega Chain · WALGREENS
NPI: 1356773501
WALMART INC.
ONTARIO, 91762 • Established 2013
Retail
VigilScale™ 61
Mega Chain · WALMART
NPI: 1568218691
JM PHARMACY CORP
ONTARIO, 91762 • Established 2024
LTCIndependent
Long Term Care Pharmacy
VigilScale™ 60
JM PHARMACY
NPI: 1649400953
WALGREEN CO.
ONTARIO, 91762 • Established 2009
Retail
VigilScale™ 58
Mega Chain · WALGREENS
NPI: 1245387570
KAISER FOUNDATION HEALTH PLAN INC
ONTARIO, 91761 • Established 2007
Retail
VigilScale™ 53
Large Chain · KAISER PERMANENTE
NPI: 1225070428
GARFIELD BEACH CVS LLC
ONTARIO, 91761 • Established 2006
Retail
VigilScale™ 49
Mega Chain · CVS
NPI: 1508916859
GARFIELD BEACH CVS LLC
ONTARIO, 91764 • Established 2007
Retail
VigilScale™ 49
Mega Chain · CVS
NPI: 1386933885
KAISER FOUNDATION HEALTH PLAN INC
ONTARIO, 91761 • Established 2011
Retail
VigilScale™ 48
Large Chain · KAISER PERMANENTE
NPI: 1104665173
PRXP OF CA LLC
ONTARIO, 91761 • Established 2024
MailOrder
Mail Order Pharmacy
VigilScale™ 47
PRXP OF CA
NPI: 1790476158
GARFIELD BEACH CVS, L.L.C.
ONTARIO, 91764 • Established 2023
Retail
VigilScale™ 44
Mega Chain · CVS
NPI: 1922192335
LEON DARLING PHARMACY INC
ONTARIO, 91762 • Established 2006
Retail
VigilScale™ 44
LEON DARLING
NPI: 1104837681
THRIFTY PAYLESS INC
ONTARIO, 91764 • Established 2006
Retail
VigilScale™ 44
Mega Chain · THRIFTY PAYLESS
NPI: 1104935626
THRIFTY PAYLESS INC
ONTARIO, 91761 • Established 2006
Retail
VigilScale™ 44
Mega Chain · THRIFTY PAYLESS
NPI: 1306955760
THRIFTY PAYLESS INC
ONTARIO, 91762 • Established 2006
Retail
VigilScale™ 44
Mega Chain · THRIFTY PAYLESS
NPI: 1124139472
THRIFTY PAYLESS INC
ONTARIO, 91762 • Established 2006
Retail
VigilScale™ 44
Mega Chain · THRIFTY PAYLESS
NPI: 1689555872
MEDBREAK INC
ONTARIO, 91762 • Established 2025
RetailIndependent
VigilScale™ 35
MEDBREAK

Why These Pharmacies?

These providers are ranked by the VigilScale™ Index, which audits federal NPI liveness, state licensure status, and historical operational data.