Chiropractor in Ontario, California
Data updated monthly · Last refresh September 2026
36 Chiropractor providers practice in Ontario, and 3% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Chiropractor providers in Ontario
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Aaron Zia, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 460-4155 Dr. Alexandria Monicayo, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 988-2554 Dr. Alicia Marin, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 947-4949 Dr. Andrew Miles, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 941-3986 Dr. Armando Babcock, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 923-6777 Dr. Armando Chavez, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 988-2554 Dr. Ashley Razzano, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 265-9500 Dr. Brandon Fantasia, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 984-2765 Dr. Brett Diaz, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 930-2233 Dr. Darwin Bowles, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 230-5515 Dr. Desiree RobinsonOntario, CA · No drug or device payments recorded (2025) ·
(909) 984-2765 Dr. Elise Rio, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 947-7777 Dr. Emad Ghobrial, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 252-0508 Dr. Emily Zverina, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(951) 202-2496 Dr. Ferdinand Lopez, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 391-6512 Dr. Jessica Barchenger, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 773-1976 Dr. Johnny Mansour, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 937-6767 Dr. Jonathan Ramos, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 986-2966 Dr. Kevin Gansert, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(626) 852-2268 Dr. Lawrence Devera, DCOntario, CA · No drug or device payments recorded (2025) ·
(323) 250-9489 Dr. Lucas Leiva, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 265-9500 Dr. Mayra Cortez, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 984-2765 Dr. Mikal Barchenger, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 773-1976 Dr. Mindy Ho, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 923-4080 Dr. Mohsen HosainpoorOntario, CA · No drug or device payments recorded (2025) ·
(909) 758-7166 Dr. Nadim Fahel, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 988-2554 Dr. Qudsia Sadiq, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 941-4747 Dr. Robert Steiskal, BS DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 986-3636 Dr. Rod Melvin, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 923-6777 Dr. Siavash NikkhouOntario, CA · No drug or device payments recorded (2025) ·
(818) 795-0487 Dr. Sofia Padilla, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 984-2765 Dr. Sun Jiang, DCOntario, CA · No drug or device payments recorded (2025) ·
(626) 757-1539 Dr. Tzu-yueh ChangOntario, CA · No drug or device payments recorded (2025) ·
(909) 758-2968 Dr. Victor Fantasia, D.C.Ontario, CA · No drug or device payments recorded (2025) ·
(909) 984-2765 Dr. Yvonne Yen Hua, DCOntario, CA · No drug or device payments recorded (2025) ·
(909) 265-9500 Conditions Chiropractor providers in Ontario, California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Chiropractor providers. Individual practices vary, so confirm with the provider before booking.
- Back pain
- Neck pain
- Sciatica
- Headaches
- Joint pain
Common questions
How many Chiropractor providers are in Ontario, California?There are 36 Chiropractor providers with active NPI records practicing in Ontario, according to federal NPPES data refreshed monthly.
How many Chiropractor providers in Ontario received drug or device company payments?1 of 36 (3%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Chiropractor providers in Ontario treat?Chiropractor providers in Ontario commonly treat back pain, neck pain, sciatica, headaches, joint pain and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Ontario Chiropractor across California
