Dr. James D'Angelo Callahan, MD

Dr. Callahan practices at Wellstar Douglas Medical Center in Douglasville, Georgia, part of Wellstar Health System.

Dr. Callahan's NPI, 1346568193, was assigned on May 4, 2010. Dr. Callahan graduated from Morehouse School of Medicine in 2010. Dr. Callahan holds Georgia license 069555.

Dr. Callahan's primary practice is Wellstar Douglas Medical Center, at 8954 Hospital Drive, Douglasville, GA 30134 in Douglas County. The practice phone is (770) 949-1500.

Dr. Callahan's primary practice is Wellstar Douglas Medical Center in Douglasville, Georgia, part of Wellstar Health System. Dr. Callahan is also affiliated with Wellstar Cobb Medical Center. The medical group on file is Wellstar Medical Group.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Callahan practices, 2 sites in all. Vendor and product names are available with a free account.

Hospitalist is Dr. Callahan's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Callahan is licensed in Georgia.

CMS data shows 528 Medicare services from Dr. Callahan across 4 procedure codes in 2024, for 215 Medicare patients. Medicare paid $47,404 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 215 Medicare patients who saw Dr. Callahan in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.91, 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. Callahan's median patient age at 73, with 53% women.

In 2024, Dr. Callahan wrote 540 Medicare Part D claims for 207 patients. 89% of them were for generic drugs. CMS names the drug for 278 of them, across 16 drugs with 11 or more claims each, at $7,059 in total drug cost. In 2023, CMS named 206 claims across 12 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Callahan for performance year 2024, reported through an alternative payment model (APM). Dr. Callahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 27 general payments to Dr. Callahan from 12 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $115.

Dr. Callahan graduated from Morehouse School of Medicine in 2010.