Dr. John Thomas Chon Sr., DO

Dr. Chon practices at Monterey Park Hospital in Monterey Park, California, part of AHMC Healthcare.

Dr. Chon's NPI, 1184691644, was assigned on March 3, 2006. Dr. Chon graduated from Kirksville College of Osteopathic Medicine in 2002. Dr. Chon holds California license 20A9192.

Dr. Chon's primary practice is Monterey Park Hospital, at 900 S Atlantic Blvd, Monterey Park, CA 91754 in Los Angeles County. The practice phone is (626) 570-9000.

Dr. Chon's primary practice is Monterey Park Hospital in Monterey Park, California, part of AHMC Healthcare. Dr. Chon is also affiliated with Emanate Health Inter-Community Hospital. The medical group on file is Vituity. Dmand AI also links Dr. Chon to 1 more hospital, 7 medical groups and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chon practices, 4 sites in all. Vendor and product names are available with a free account.

Emergency medicine is Dr. Chon's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Chon is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Chon's licenses on file in 2 states: California and New Jersey.

CMS data shows 580 Medicare services from Dr. Chon across 7 procedure codes in 2024, for 306 Medicare patients. Medicare paid $49,855 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 306 Medicare patients who saw Dr. Chon in 2024. The largest group is 65 to 74, with 112 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 92% are also on Medicaid. Their average risk score is 2.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Chon's median patient age at 40, with 55% women.

In 2024, Dr. Chon wrote 642 Medicare Part D claims for 363 patients. 94% of them were for generic drugs. CMS names the drug for 542 of them, across 13 drugs with 11 or more claims each, at $2,963 in total drug cost. In 2023, CMS named 619 claims across 14 drugs.

Dr. Chon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 3 papers to Dr. Chon, published from 2021 to 2023. The most frequent topics are Emergency Service, Hospital and Pandemics. Dr. Chon has published most often in Am J Emerg Med. Dr. Chon's most frequent co-author is Stanley Toy, MD.

CMS Open Payments shows 60 general payments to Dr. Chon from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $795.

Dr. Chon graduated from Kirksville College of Osteopathic Medicine in 2002.

Dr. Chon is in network with 8 carriers, including United Healthcare, Kaiser Permanente and Aspirus Health Plan. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.