Dr. Michael A. Callahan, MD

Dr. Callahan practices at Center for Ophthalmic Surgery LLC in Birmingham, Alabama.

Dr. Callahan's NPI, 1902892151, was assigned on September 23, 2005. Dr. Callahan graduated from Heersink School of Medicine - Birmingham in 1971. Dr. Callahan's Alabama license number on file is 00006083.

Dr. Callahan's primary practice is Center for Ophthalmic Surgery LLC, at 700 18th N St, Birmingham, AL 35203 in Jefferson County. The practice phone is (205) 933-1077.

Dr. Callahan's primary practice is Center for Ophthalmic Surgery LLC in Birmingham, Alabama. Dr. Callahan is also affiliated with UAB Hospital. Dmand AI also links Dr. Callahan to 1 more 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. Callahan practices, 2 sites in all. Vendor and product names are available with a free account.

Ophthalmology is Dr. Callahan's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Callahan is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Callahan has a license on file in Alabama.

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, dry eye, eye infection or inflammation, eyelid inflammation, glaucoma and hereditary corneal conditions among the conditions Dr. Callahan treats.

CMS data shows 1,261 Medicare services from Dr. Callahan across 20 procedure codes in 2024, for 550 Medicare patients. Medicare paid $143,020 for them.

CMS counts 550 Medicare patients who saw Dr. Callahan in 2024. The largest group is 65 to 74, with 240 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Callahan's median patient age at 74, with 64% women.

In 2024, Dr. Callahan wrote 2,148 Medicare Part D claims for 571 patients. 71% of them were for generic drugs. CMS names the drug for 2,035 of them, across 22 drugs with 11 or more claims each, at $91,719 in total drug cost. In 2023, CMS named 1,767 claims across 23 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Callahan for performance year 2024, reported as part of a group. Dr. Callahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 131 procedures of cataract surgery by Dr. Callahan, more than 78% of the clinicians it reports for that procedure.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 22 papers to Dr. Callahan, published from 2001 to 2023. 2023 was the busiest year, with 2. The most frequent topics are Orbit, Carcinoma, Basal Cell and Durapatite. Dr. Callahan has published most often in Am J Ophthalmol. Dr. Callahan's most frequent co-authors are Kyle Valentino Acosta, MD, Muhammad Mahad Amjad and Susan Elizabeth Azar, MD.

CMS Open Payments shows 60 general payments to Dr. Callahan from 16 drug and device companies from 2016 to 2025. Charitable contributions make up the largest share, 97% of the total. Valeant Pharmaceuticals International paid the most, $79,257.

Dmand AI lists 3 awards for Dr. Callahan.

Dr. Callahan graduated from Heersink School of Medicine - Birmingham in 1971. Dr. Callahan is a member of AAO and ACS.

Dr. Callahan is in network with 22 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 14. Check the plan with the practice before a visit.