Dr. Grace Hwang, MD

Dr. Hwang practices at Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services.

Dr. Hwang's NPI, 1053720797, was assigned on August 6, 2014. Dr. Hwang graduated from Wayne State University School Of Medicine in 2011. Dr. Hwang holds California license A125505.

Dr. Hwang's primary practice is Providence St. Joseph Hospital Orange, at 1100 West Stewart Dr, Orange, CA 92868 in Orange County. The practice phone is (714) 633-9111.

Dr. Hwang's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Dr. Hwang is also affiliated with Anaheim Community Hospital. The medical group on file is Orange Surgical Associates. Dmand AI also links Dr. Hwang to 1 more physician office, 1 group practice or clinic and 1 medical group, each named with a free account.

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

Surgery is Dr. Hwang's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hwang is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Hwang's licenses on file in 2 states: California and Florida.

Dmand AI lists colonoscopy, colon removal and hemorrhoids among the conditions Dr. Hwang treats.

CMS data shows 255 Medicare services from Dr. Hwang across 9 procedure codes in 2024, for 126 Medicare patients. Medicare paid $25,841 for them.

CMS counts 126 Medicare patients who saw Dr. Hwang in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.43, 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. Hwang's median patient age at 58, with 59% women.

In 2024, Dr. Hwang wrote 307 Medicare Part D claims for 92 patients. 98% of them were for generic drugs. CMS names the drug for 243 of them, across 10 drugs with 11 or more claims each, at $1,346 in total drug cost. In 2023, CMS named 158 claims across 9 drugs.

Dr. Hwang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hwang as offering telehealth. CMS counts 26 procedures of colonoscopy by Dr. Hwang, more than 51% of the clinicians it reports for that procedure.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 10 papers to Dr. Hwang, published from 2015 to 2016. 2015 was the busiest year, with 5. The most frequent topics are Postoperative Complications, Colectomy and Colon. Dr. Hwang has published most often in Am J Surg. Dr. Hwang's most frequent co-authors are Alessio Pigazzi, MD, Joseph C. Carmichael, MD and Steven Mills, MD.

CMS Open Payments shows 77 general payments to Dr. Hwang from 19 drug and device companies from 2017 to 2025. Education make up the largest share, 51% of the total. Intuitive Surgical, Inc. paid the most, $13,125.

Dr. Hwang graduated from Wayne State University School Of Medicine in 2011. Dr. Hwang is a member of ACS and ASCRS.

Dr. Hwang is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.