OVERVIEW

Dr. Maddex works in Diamond Bar, CA and 2 other locations and specializes in Addiction Medicine and Family Medicine. Dr. Maddex is affiliated with San Antonio Regional Hospital and West Covina Medical Center.

RATINGS AND REVIEWS

OVERALL RATING
PHYSICIAN RATING
Explains conditions and treatments
Takes time to answer my questions
Provides follow-up as needed
How was your visit with Dr.Maddex?
(Select a rating)
OFFICE LOCATION RATING
Showing ratings for:
1111 Grand Ave Ste L, Diamond Bar, CA, 91765
Choose another location
Average office wait time
Less than 0 minutes
Office cleaniness
Courteous staff
Scheduling flexibility
Gregory R Maddex DO
1111 Grand Ave Ste L
Diamond Bar, CA, 91765

INSURANCE PLANS ACCEPTED (43)

Please verify insurance information directly with your doctor’s office as it may change frequently.
  • Health Net CA HMO Whole Care Network
  • Aetna Signature Administrators PPO
  • Blue Shield CA Platinum Local Access + HMO 25
  • Blue Cross CA PPO Prudent Buyer Small Group
  • BCBS Blue Card PPO
  • Health Net CA CommunityCare Network HMO
  • UHC West SignatureValue Alliance
  • Aetna Choice POS II
  • Blue Shield CA Access Plus Savenet
  • Anthem BC Pathway X EPO Network
  • Multiplan PPO
  • Humana Choice POS
  • Blue Shield CA Local Access Plus HMO
  • Aetna Managed Choice POS Open Access
  • Blue Cross CA Select HMO
  • UHC West SignatureValue HMO
  • Aetna Savings Plus of CA
  • UHC SignatureValue Flex1
  • Aetna Vitalidad Plus CA con Aetna
  • Aetna HMO
  • Molina Mrktplace CA
  • Blue Shield CA PPO
  • Blue Cross CA California Care Large Group HMO
  • PHCS PPO
  • CIGNA HMO
  • Health Net CA HMO SmartCare
  • Health Net CA HMO Employer Group
  • CIGNA PPO
  • Aetna Basic HMO
  • PHCS PPO Kaiser
  • Blue Shield CA Bronze Full PPO 4500
  • Blue Shield CA Platinum Access+ HMO 25
  • UHC West SignatureValue Advantage HMO Value Network
  • Blue Shield CA Access Plus HMO
  • UHC SignatureValue Flex2
  • Aetna HMO Deductible Plan CA only
  • Blue Cross CA Select Plus HMO
  • BC CA California Care Small Group HMO
  • UHC SignatureValue Focus
  • CIGNA LocalPlus
  • CIGNA Southern CA Value
  • CIGNA Open Access Plus
  • Blue Cross CA PPO Prudent Buyer Individual

LOCATIONS

1111 Grand Ave Ste L
Diamond Bar,CA,91765
  • Accepting New Patients
  • Medicare Accepted
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 12:00 pm
SatClosed
SunClosed
  • Accepting New Patients
  • Medicare Accepted
1111 Grand Ave Ste L
Diamond Bar,CA,91765
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 12:00 pm
SatClosed
SunClosed
380 W Central Ave
Brea,CA,92821

OTHER PROVIDERS AT THIS PRACTICE